Abstract

The invention relates to a method for producing a web of fibres comprising fibres of a copolymer based on the repeating unit derived from vinylidene fluoride (VDF), by electrospinning a solution of the fluorinated polymer. The invention also relates to the webs of fibres that can be obtained using said method. Lastly, the invention relates to the various applications of said webs of fibres as a filtration device for filtering air and/or liquid.

IPC Classes  ?

• B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
• D01D 1/02 - Preparation of spinning solutions
• D01D 5/00 - Formation of filaments, threads, or the like
• D01F 6/12 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
• D01F 6/32 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising halogenated hydrocarbons as the major constituent
• D04H 1/728 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning

Abstract

The invention relates to a method for producing a web of fibres comprising fibres of a copolymer based on the repeating unit derived from vinylidene fluoride (VDF), by electrospinning a solution of said fluorinated polymer. The invention also relates to the fibre webs which can be obtained using this method. The invention finally relates to the various applications of the fibre webs for mechanically reinforcing polymer electrolyte in fuel cells, electrolysers and batteries.

IPC Classes  ?

• D01D 1/02 - Preparation of spinning solutions
• D01D 5/00 - Formation of filaments, threads, or the like
• D01F 6/12 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
• D01F 6/32 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising halogenated hydrocarbons as the major constituent
• D04H 1/728 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning

Abstract

The present invention relates to a thermoplastic polymer composition comprising a matrix polymer (A) and a polymer processing aid (B), wherein the polymer processing aid (B) comprises a polyamide (B1) and a polyamide (B2), and wherein the weight-average molecular weights of (B1) and (B2) differ by at least 10 kDa. The present invention also relates to a process of melt extrusion of this thermoplastic polymer composition and to an extruded article thus obtained.

IPC Classes  ?

• C08L 23/08 - Copolymers of ethene
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Abstract

The invention relates to an adhesive composition. The composition may include a prepolymer comprising a reaction product of a 1stpolyol and a polymeric isocyanate. The polyol may have a number average molecular of at least about 2000 Daltons. The 1stpolyol may also have a hydroxyl functionality of at least about 2.0. The polymeric isocyanate may have a functionality of at least about 2.8, preferably, optionally a 4,4' MDI monomeric content of less than about 50 wt%, and optionally a 2,4' MDI monomeric content of less than about 30 wt%. Optionally, the adhesive composition may include a curative having a 2ndpolyol. The 2ndpolyol may be the same or different than the 1stpolyol. For embodiments that include the curative a weight ratio of the prepolymer to the curative may comprise up to about 10:1. A wt% of the polymeric isocyanate in the adhesive composition based on the amount of the polymeric isocyanate, the 1stpolyol and the 2nd polyol, when present, comprises more than 60%.

IPC Classes  ?

• C08G 18/20 - Heterocyclic aminesSalts thereof
• C08G 18/48 - Polyethers
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C09J 175/08 - Polyurethanes from polyethers
• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Abstract

The present invention relates to the use of an additive A2 as an anti-fouling agent in a method for producing a fluorinated polymer P1. The present invention also relates to the implementation of a method for producing a fluorinated polymer P1 in the presence of said additive A2.

IPC Classes  ?

• C08F 14/22 - Vinylidene fluoride
• C08F 265/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of acids, salts or anhydrides
• C09D 7/45 - Anti-settling agents

Abstract

A acidified anhydride oligomer is formed by reacting an anhydride monomer, a monomer comprising at least one polymerizable group, and a hydroxyl-functional compound, wherein the acidified anhydride oligomer has an acid value of at least 10 mg KOH/g oligomer, with some of the acid groups optionally neutralized. A cured ink or coating made from the oligomer, along with at least one of a (meth)acrylate monomer or a (meth)acrylate oligomer and, optionally, at least one additive, can be easily removed from the substrate by treatment with aqueous base, thus allowing for recycling the substrate cleaned of any ink or coating. Nail gel compositions including the oligomer can also be more easily removed from nails.

IPC Classes  ?

• C08F 222/10 - Esters
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups

Abstract

Curable compositions that include at least one liquid zinc (meth)acrylate complex, the complex comprising an ethylenically-unsaturated carboxylic acid ligand coordinated with zinc, are useful for forming primers, inks, and coatings on substrates that can undergo a triggered removal process using a water-based remover. Also, a method for recycling a substrate obtained by curing a curable primer, ink, or coating composition comprising the at least one liquid zinc (meth)acrylate complex by contacting the substrate coated with the cured primer, coating, or ink composition with a recycling solution having a pH sufficient to delaminate the cured primer, coating, or ink composition from the substrate.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• B29B 17/02 - Separating plastics from other materials
• B32B 43/00 - Operations specially adapted for layered products and not otherwise provided for, e.g. repairingApparatus therefor

Abstract

Curable compositions which include: an optionally (meth)acrylate-functionalized acidic acrylic oligomer formed by reacting acrylic acid and/or maleic and/or itaconic anhydride and at least one ethylenically unsaturated co-monomer, the copolymer comprising at least one pendant and/or terminal acid group and optionally at least one radiation curable pendant and/or terminal C-C double bond and/or a salt and/or an anhydride thereof; at least one polymerizing monomer and/or oligomer; and at least one initiator are useful for forming primers, inks, and coatings on substrates that can undergo a triggered removal process using a water-based remover.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C09D 9/00 - Chemical paint or ink removers
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 133/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
• C08F 265/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of acids, salts or anhydrides

Abstract

Curable compositions which include: an acidic copolymer formed by reacting (meth)acrylic acid and/or maleic and/or itaconic anhydride and at least one ethylenically unsaturated co-monomer, the copolymer comprising at least one pendant and/or terminal acid group and/or a salt and/or an anhydride thereof; at least one polymerizing monomer and/or oligomer; and at least one initiator are useful for forming durable, impact resistant coatings on nails that can undergo a triggered removal process using a water-based remover.

IPC Classes  ?

• A61Q 3/02 - Nail coatings
• A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes

Abstract

The invention relates to a thermoplastic polyurethane foam, comprising at least one thermoplastic polyurethane comprising at least 90 wt.-% aliphatic units relative to the total weight of the thermoplastic polyurethane and comprising functions selected from allophanate functions, isocyanurate functions or a combination of both. The invention also relates to a method for preparing such a foam, as well as to an article comprising such a foam.

IPC Classes  ?

• C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
• C08G 18/48 - Polyethers
• C08G 18/66 - Compounds of groups , , or
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/78 - Nitrogen
• C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
• C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
• C08J 9/16 - Making expandable particles
• C08L 75/08 - Polyurethanes from polyethers

Abstract

The present invention relates to a process for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, the process comprising a step a) of reacting a composition (A) comprising chlorotrifluoroethylene with hydrogen in the presence of a catalyst and in the gaseous phase in order to produce a stream (B) comprising trifluoroethylene, characterised in that the composition (A) also comprises 1,2-dichlorohexafluorocyclobutane. The present invention also relates to a chlorotrifluoroethylene composition.

IPC Classes  ?

• C07C 17/23 - Preparation of halogenated hydrocarbons by dehalogenation
• C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
• C07C 23/06 - Monocyclic halogenated hydrocarbons with a four-membered ring

Abstract

The present invention relates to a functionalised vinyl acetate compound and the use thereof in different applications.

IPC Classes  ?

• C07C 323/52 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
• C08F 18/10 - Vinyl esters of monocarboxylic acids containing three or more carbon atoms
• H01M 8/00 - Fuel cellsManufacture thereof

Abstract

The present invention relates to an electrochemical device comprising an electrolytic composition and a separator consisting of at least one fluorinated polymer resin, characterized in that the σ*e/G ratio is between 0.02 and 200.

IPC Classes  ?

• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/134 - Electrodes based on metals, Si or alloys
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/40 - Alloys based on alkali metals
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/052 - Li-accumulators
• H01M 10/0566 - Liquid materials
• H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
• H01M 50/423 - Polyamide resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/429 - Natural polymers
• H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
• H01M 50/491 - Porosity
• H01M 50/497 - Ionic conductivity

Abstract

The invention relates to an alkoxylated polyol having a carboxylic acid function, and a molar mass by weight that is greater than or equal to 2000 Dalton. The invention also relates to the use of said alkoxylated polyol with a carboxylic acid function as a solvent, surfactant or synthesis reagent for preparing organic compounds, and in particular for preparing polymers.

IPC Classes  ?

• C08G 18/48 - Polyethers

Abstract

The invention relates to a polyamide composition comprising: a polyamide or a mixture of polyamides, said polyamide or, as appropriate, mixture of polyamides having an inherent viscosity of at most 0.8; and at least one compound of formula (1). The invention also relates to the use of same for preparing a composite.

IPC Classes  ?

• C08K 5/5313 - Phosphinic compounds, e.g. R2=P(:O)OR'
• C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
• C08K 5/00 - Use of organic ingredients

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin neutralized with an N,N-dialkyl glucamine. The invention also relates to a method for preparing the alkyd emulsion and to the use thereof for obtaining a coating, in particular a decorative or industrial coating.

IPC Classes  ?

• C08J 3/05 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
• C08K 5/19 - Quaternary ammonium compounds
• C08L 67/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C09D 5/02 - Emulsion paints
• C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C09J 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C08J 5/18 - Manufacture of films or sheets
• C08J 7/04 - Coating

Abstract

The present invention relates to a multistage polymer, its process of preparation and an adhesive composition comprising it. In particular, the present invention relates to multistage polymer composition comprising functional groups, its process of preparation, its use as impact modifier and an adhesive composition comprising it. More particularly the present invention relates to a multistage polymer composition comprising functional groups, its process of preparation, its use as impact modifier and a (meth) acrylic adhesive composition comprising it.

IPC Classes  ?

• C08F 279/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group on to polymers of conjugated dienes
• C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
• C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08F 283/12 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polysiloxanes
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
• C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers

Abstract

The present invention relates to a composition comprising at least one mixture of organic peroxides containing a first organic peroxide of formula (I) and a second organic peroxide, n-butyl-4,4-di(tert-butylperoxy)-valerate. The invention also relates to the use of said composition for crosslinking at least one crosslinkable polymer.

IPC Classes  ?

• C08K 5/14 - Peroxides

Abstract

The present disclosure provides an adhesive composition. In an embodiment, the adhesive composition includes a reaction product of (A) a bio-based isocyanate component having from 30 wt% to 80 wt% bio-based content comprising (i) an isocyanate-terminated compound, and (ii) an optional first bio-based polyol. The adhesive composition also includes (B) a bio-based polyol component comprising (i) a second bio-based polyol, and (ii) optionally an adhesion promoter. The adhesive composition has greater than 60 wt% of bio-based content.

IPC Classes  ?

• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/40 - High-molecular-weight compounds
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C09J 175/04 - Polyurethanes
• C09J 175/06 - Polyurethanes from polyesters
• C09J 175/08 - Polyurethanes from polyethers
• C09D 5/16 - Anti-fouling paintsUnderwater paints
• C09J 7/29 - Laminated material

Abstract

Embodiments of the present disclosure are directed towards adhesive compositions including an isocyanate-reactive composition including a crystalline polymer, lignin, a solvent, and an isocyanate composition including an isocyanate.

IPC Classes  ?

• C08G 18/40 - High-molecular-weight compounds
• C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
• C08G 18/64 - Macromolecular compounds not provided for by groups
• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/48 - Polyethers
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C09J 175/06 - Polyurethanes from polyesters

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin neutralized with lithium and sodium salts. The invention also relates to a method for preparing the alkyd emulsion and to the use thereof for obtaining a coating, in particular a decorative or industrial coating.

IPC Classes  ?

• C08L 67/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C08G 63/48 - Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acidsPolyesters chemically modified by esterification by resin acids
• C09J 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids

Abstract

The present invention relates to a polymerizable redshifted benzophenone photoinitiator, to a process for preparing said photoinitiator. The present invention further relates to a photoinitiator composition, to a curable composition, to a process for the preparation of a cured product, to a process of inkjet printing, to a process of 3D printing and to a process for coating a nail. The invention also relates to the use of the photoinitiator or the photoinitiator composition.

IPC Classes  ?

• C07C 323/62 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• G03F 7/004 - Photosensitive materials
• C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

Abstract

The present invention relates to a composition comprising a fluorinated polymer bearing polar groups P1 and a polymer additive P2 comprising at least one functional group containing a phosphorus atom, and to the use thereof as a binder for electrodes for a Li-ion battery.

IPC Classes  ?

• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
• C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof
• C08F 214/22 - Vinylidene fluoride
• C08K 3/01 - Use of inorganic substances as compounding ingredients characterised by their specific function
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/04 - Carbon

Abstract

The present invention relates to a composition comprising a fluorinated polymer P1 bearing polar groups and a polymer additive P2, and to the use thereof as a binder for Li-ion battery electrodes.

IPC Classes  ?

• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
• C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
• C08K 3/01 - Use of inorganic substances as compounding ingredients characterised by their specific function
• C08K 3/04 - Carbon
• C08K 3/22 - OxidesHydroxides of metals
• C08F 214/22 - Vinylidene fluoride
• C08F 220/06 - Acrylic acidMethacrylic acidMetal salts or ammonium salts thereof
• C08F 220/14 - Methyl esters

Abstract

The present invention relates to a method for producing acrolein from an aqueous solution of reuterin derived from fermentation, the method involving the separation of suspended solids followed by transformation of the reuterin into acrolein without addition of homogeneous acid, in a heterogeneous catalytic reactor. The acrolein produced within the context of the present invention can be used in various downstream applications, in particular as a raw material for the production of acrylic acid and its derivatives, methionine and its derivatives, or glutaraldehyde and its derivatives. The acrolein produced according to the invention may have a high biobased carbon content as defined by standards ASTM D6866 or EN 16640 when biobased raw materials are used to obtain the aqueous solution of reuterin from fermentation.

IPC Classes  ?

• C07C 45/66 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by splitting-off hydrogen atoms or functional groupsPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by hydrogenolysis of functional groups by dehydration
• C07C 45/82 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
• C07C 47/22 - AcrylaldehydeMethacrylaldehyde

Abstract

The present invention relates to a method for manufacturing high-purity acrolein, suitable for industrial use, from an aqueous solution containing reuterin derived from fermentation, the method involving separation of suspended matter followed by conversion of the reuterin into acrolein in a distillation column. The acrolein produced within the scope of the present invention can be used in various downstream applications, in particular as a raw material for the manufacture of acrylic acid and its derivatives, methionine and its derivatives, or glutaraldehyde and its derivatives. The acrolein produced within the scope of the invention may have a high bio-based carbon content within the meaning of standards ASTM D6866 or EN 16640 when bio-based raw materials are used to obtain the aqueous solution of reuterin derived from fermentation.

IPC Classes  ?

• C07C 45/66 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by splitting-off hydrogen atoms or functional groupsPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by hydrogenolysis of functional groups by dehydration
• C07C 45/82 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
• C07C 47/22 - AcrylaldehydeMethacrylaldehyde

Abstract

The invention relates to a method for producing acrolein from an aqueous solution of reuterin derived from fermentation, the method involving transformation of reuterin into acrolein without addition of acid, in a reactor at a pressure greater than atmospheric pressure. The acrolein produced according to the present invention can be used in various downstream applications, in particular as a raw material for the production of acrylic acid and its derivatives, methionine and its derivatives or glutaraldehyde and its derivatives. The acrolein produced according to the invention may have a high biobased carbon content as defined by standards ASTM D6866 or EN 16640 when biobased raw materials are used to obtain the aqueous solution of reuterin from fermentation.

IPC Classes  ?

• C07C 45/66 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by splitting-off hydrogen atoms or functional groupsPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by hydrogenolysis of functional groups by dehydration
• C07C 47/22 - AcrylaldehydeMethacrylaldehyde

Abstract

The present disclosure provides a composition. In an embodiment, the composition includes a reaction product of (1) a polyester polyol having a functionality greater than or equal to 3.0, and an OH number (OHv) less than 300 mg KOH/g. The composition has an initial viscosity. The composition also includes (2) an isocyanate-silane adhesion promoter providing an OH:NCO equivalence ratio greater than 2.5:1. The composition has a final viscosity less than the initial viscosity.

IPC Classes  ?

• C08G 18/46 - Polycondensates having carboxylic or carbonic ester groups in the main chain having hetero atoms other than oxygen
• C08G 63/00 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
• C09J 175/06 - Polyurethanes from polyesters

Abstract

The invention concerns mainly a process for the manufacture of a furan-based polyamide comprising the steps of: (a) mixing a diamine component A comprising at least one diamine with a diacid component B comprising at least one diester of 2,5-furandicarboxylic acid to form a reaction mixture; (b) heating the reaction mixture obtained in step (a) to a temperature sufficient to form a diamine end-capped oligomer by melt polycondensation; and (c) polymerizing the diamine end-capped oligomer obtained in step (b) with at least one dicarboxylic acid and optionally further monomers to form a furan-based polyamide, characterized in that the molar ratio between the diamine component A and the diacid component B in the reaction mixture prepared in step (a) is 1,25 or more.

IPC Classes  ?

• C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
• C08G 69/28 - Preparatory processes

Abstract

ML1TT, comprising at least one transducer (60) and optionally one or more conductive tracks, said at least one electronic circuit being arranged on all or part of the layer L1 (3) and adhering to the layer L1, said transducer (6) comprising at least two conductive electrodes separated by an electroactive layer of polymer composition, wherein said layer L1 (3) is removably fastened to the mother substrate (2).

IPC Classes  ?

• H10N 30/073 - Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by laminating or bonding of piezoelectric or electrostrictive bodies by fusion of metals or by adhesives
• H10N 30/074 - Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
• H10N 30/857 - Macromolecular compositions

Abstract

The invention relates to a method (100) for manufacturing a hollow body, preferably an axisymmetric hollow body, comprising a layer of composite material, said process comprising the following steps: A step of providing (110) a polymeric composition; A step of impregnating (120) a fibrous material with the polymeric composition; A step of winding (130) the impregnated fibrous material around a mandrel, said winding being carried out for a winding duration; And a step of heating (150) the winded fibrous material, said heating being carried out for a heating duration to polymerize the layer of composite material; Wherein: the polymeric composition comprises a combination of a photoinitiator and a heat activated initiator; It further comprises a step of exposing (140) the polymeric composition to an UV light; And the heating duration is shorter than the winding duration.

IPC Classes  ?

• B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation

Abstract

The invention relates to a composition comprising at least one fluoropolymer and from 0.005% to 5.0% by weight of at least one APA additive, relative to the weight of the at least one fluoropolymer, characterised in that the at least one APA additive is a polymer comprising a repeat unit derived from methyl methacrylate, and at least one graftable functional group arranged at at least one end of its polymer chain. The invention also relates to a method for manufacturing a fluoropolymer-based coating on a substrate, to such a coating on the substrate, to a device comprising such a polymer coating on the substrate, and to its uses.

IPC Classes  ?

• C08L 27/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09J 127/16 - Homopolymers or copolymers of vinylidene fluoride
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

Abstract

The invention relates to a use of a reactive composition as an adhesion primer precursor between a substrate and a coating comprising at least one fluoropolymer, said reactive composition comprising at least one polymer PG comprising a repeating unit derived from methyl methacrylate and at least one repeating unit comprising at least one reactive function, said at least one repeating unit derived from methyl methacrylate representing at least 40% by weight of the weight of said at least one polymer PG; said reactive composition comprising a photoinitiator and optionally a synergistic coinitiator such as derivatives comprising at least one amine or silyl function.

IPC Classes  ?

• C08F 220/14 - Methyl esters
• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
• C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical

Abstract

The invention relates to a use of a polymer PA as an adhesion primer between a coating comprising at least one fluoropolymer and a substrate, wherein the polymer PA comprises a repeat unit derived from methyl methacrylate, and at least one graftable functional group arranged at at least one end of its polymer chain, and wherein the at least one graftable functional group is capable of being grafted to the substrate. The invention also relates to a method for treating a substrate, to a method for producing a coating based on one or more fluoropolymers on a treated substrate, to a treated substrate, to a treated substrate coated with a coating based on one or more fluorinated polymers, and to a device comprising the same.

IPC Classes  ?

• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 133/12 - Homopolymers or copolymers of methyl methacrylate
• C09J 133/12 - Homopolymers or copolymers of methyl methacrylate
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

Abstract

The present invention relates to a composition that can be crosslinked by real Michael addition (RMA), and more particularly to a solvent-free crosslinkable composition, suitable for use in all types of coatings, including paints. The present invention also relates to a method for preparing a crosslinked product by applying the composition to, and crosslinking the composition on, at least one substrate. In particular, the present invention uses a Michael acceptor component having an α,β-unsaturated group functionality ranging from 1 to 2 in a crosslinkable composition for carrying out crosslinking by real Michael addition (RMA), for example in combination with another Michael acceptor component having a higher α,β-unsaturated group functionality.

IPC Classes  ?

• C08G 63/91 - Polymers modified by chemical after-treatment
• C09D 165/00 - Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chainCoating compositions based on derivatives of such polymers
• C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule

Abstract

The present invention relates to a composition that is crosslinkable via real Michael addition (RMA), more particularly a solvent-free crosslinkable composition, suitable for use in preparing coatings, paints, varnishes, inks, moulded objects, sealing membranes, chemical sealing agents, adhesives, polymer concretes or composites. The present invention in particular relates to a catalytic system that can be used for solvent-free RMA crosslinking, as well as to a method for preparing a crosslinked product by applying the composition to, and crosslinking the composition on, at least one substrate.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

The present invention relates to a composition that is crosslinkable via real Michael addition (RMA), and more particularly to a solvent-free crosslinkable composition, suitable for use in preparing coatings, paints, varnishes, inks, moulded objects, sealing membranes, chemical sealing agents, adhesives, polymer concretes or composites. The present invention in particular relates to a catalytic system that can be used for solvent-free RMA crosslinking, as well as to a method for preparing a crosslinked product by applying the composition to, and crosslinking the composition on, at least one substrate.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C09D 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C08G 59/50 - Amines
• C08G 63/16 - Dicarboxylic acids and dihydroxy compounds
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond

Abstract

The invention relates to the use of a particular diamide in the manufacture of a composition comprising at least one crosslinkable organic binder. It also relates to a composition comprising at least one crosslinkable organic binder and at least one diamide as defined above, as well as to the uses thereof, in particular in the manufacture of a coating, selected in particular from among paints, varnishes, inks, and gelcoats; a glue or an adhesive; a mastic; a sealing agent; a chemical sealing agent; a moulded object; an object obtained by 3D printing; preferably a coating.

IPC Classes  ?

• C09D 5/04 - Thixotropic paints
• C09D 7/43 - Thickening agents
• C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
• C09D 5/34 - Filling pastes
• C09D 7/63 - Additives non-macromolecular organic
• C08G 59/50 - Amines

Abstract

3533636 hydroxylated monocarboxylic acid, which can be used as a thixotropic agent. The invention also relates to a composition comprising this diamide and at least one crosslinkable organic binder, as well as to the uses of this diamide or of this composition, in particular in the manufacture of a coating, preferably selected from among paints, varnishes, inks, and gelcoats; a glue or an adhesive; a mastic; a sealing agent; a chemical sealing agent; a moulded object; an object obtained by 3D printing; preferably a coating.

IPC Classes  ?

• C07C 233/36 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
• C07C 233/37 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to an acyclic carbon atom of a saturated carbon skeleton containing rings
• C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
• C09D 7/00 - Features of coating compositions, not provided for in group Processes for incorporating ingredients in coating compositions

Abstract

The invention relates to a method for treating a polyamide composition comprising at least one compound capable of generating phosphorus hydride, wherein the method comprises the steps of: (i) mixing the polyamide composition with at least one oxidising compound; (ii) reacting the polyamide composition with the at least one oxidising compound; (iii) optionally, drying the mixture obtained in step (i) at a temperature of 140°C or lower.

IPC Classes  ?

• C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• B29B 17/04 - Disintegrating plastics
• C08J 11/14 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water

Abstract

The present invention relates to a polyamide comprising a repeating unit of formula (I): [Chem 13] a polyether block amide (PEBA) resulting from the polycondensation of one or more polyamides as defined above with one or more polyether blocks, the uses thereof for preparing an article, and an article comprising same.

IPC Classes  ?

• C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
• C08G 69/40 - Polyamides containing oxygen in the form of ether groups
• C08G 69/42 - Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
• C08G 69/44 - Polyester-amides

Abstract

The present invention relates to a dry composition comprising at least one active material, at least one binder, optionally at least one conductive agent, characterized in that said at least one binder comprises a fluoropolymer and either a polyamide thermoplastic polymer or polyether block amides or mixture thereof.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/04 - Processes of manufacture in general
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

Abstract

The present invention relates to a composition of polymer powders for the manufacture of articles by 3D printing, in particular by sintering, predominantly comprising a polyamide 12 powder, making it possible to improve the processability of the printing and to obtain printed parts having satisfactory, or even improved, mechanical properties. The invention also relates to a process for preparing this powder composition and the use thereof in a sintering-based manufacturing process, and to the articles manufactured from said powder composition.

IPC Classes  ?

• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing

Abstract

The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein: the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; the element consists of a polyamide composition comprising: o 35 to 85% by weight of a polyamide matrix having an average C/N ratio greater than or equal to 7; and o 15 to 65% by weight of reinforcing fibres or fillers; the element being in direct contact with the dielectric fluid.

IPC Classes  ?

• H01M 10/625 - Vehicles
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials

Abstract

The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein the element comprises: - a first layer consisting of a polyamide composition C, characterised in that the composition C comprises 50 to 99.9% by weight relative to the total weight of the composition of a polyamide matrix; - at least one second layer consisting of a composition selected from a composition comprising at least one polyamide, a composition comprising at least one functional polyolefin or a composition comprising at least one barrier polymer; the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; and the first layer is intended to be in contact with the dielectric fluid.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials

Abstract

The present invention relates to a (meth)acrylic composition suitable for preparing a (meth)acrylic thermoplastic polymeric composition, a process for preparing the (meth)acrylic composition and relates also to a material obtained by polymerization of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition suitable for preparing a (meth)acrylic thermoplastic polymeric composition, said (meth)acrylic composition is comprising a liquid polymerizable (meth)acrylic syrup, an impact modifier or toughening agent and optionally an initiating system for starting polymerization of said composition, a process for preparing the (meth)acrylic composition and the (meth)acrylic material obtained by polymerization of such a (meth)acrylic composition. The invention also relates to a (meth)acrylic composite material comprising the polymerized (meth)acrylic composition, a method for preparing such (meth)acrylic composite material comprising and an object comprising such (meth)acrylic composite material comprising the polymerized (meth)acrylic composition. The invention relates as well to a (meth)acrylic composition suitable for preparing a (meth)acrylic thermoplastic polymeric composition or a (meth)acrylic composite material comprising the polymerized (meth)acrylic composition for applications and uses requiring a low dielectric constant.

IPC Classes  ?

• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers

Abstract

Curable compositions providing a hybrid curing mechanism, combining the ease of actinically-cured resins with improved mechanical properties of the cured product, comprise (A) a free radical polymerizable resin comprising a polyester (meth)acrylate oligomer and a (meth)acrylate monomer; (B) a cationically polymerizable resin; (C) a free radical photoinitiator; and (D) a photoacid generator; wherein the polyester (meth)acrylate oligomer has a glass transition temperature (Tg) of less than 25 °C. Such curable compositions result in cured products having improved mechanical properties, such as toughness, while minimizing the reduction of other desired properties. Such resins are suitable for use as 3D printing resins capable of forming articles made by 3D printing.

IPC Classes  ?

• C08F 290/06 - Polymers provided for in subclass
• C08F 283/10 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polymers containing more than one epoxy radical per molecule
• C08F 222/10 - Esters
• C08J 5/18 - Manufacture of films or sheets
• C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

HgN22-3.63.6-152-3.62-3.6N2HgHg3.6-153.6-15 is determined by the difference between the volume of mercury introduced at 15 nm and that introduced at 3.6 nm, the volumes being expressed in cm3.g-1. In addition, the present invention relates to its preparation method. The invention also relates to the use of the zeolite adsorbent agglomerate for separating hydrocarbon mixtures as well as to the method for separating hydrocarbon mixtures using the zeolite adsorbent agglomerate.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
• C07C 15/08 - Xylenes
• B01D 15/18 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns

Abstract

An actinically-curable composition includes a polymerizable resin comprising one or more polymerizable components, a non-polymerizable silicone-based additive in an amount of about 2 wt.% to about 20 wt.%, based on the total weight of the polymerizable components, an optional reactive additive in an amount less than 10 wt.% of the non-polymerizable silicone-based additive, and a photoinitiator. A method for making a three-dimensional (3D) printed object comprises curing the actinically-curable composition in a 3D printing process to form the 3D printed object. A method for making a thermoformed product comprises heating a thermoplastic material to provide a pliable thermoplastic material and pressing the pliable thermoplastic material against a mold comprising a 3D printed object formed from the actinically-curable composition.

IPC Classes  ?

• B33Y 10/00 - Processes of additive manufacturing
• B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing
• G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
• G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
• G03F 7/075 - Silicon-containing compounds

Abstract

The present invention relates to a dry composition comprising at least one active material, at least one binder, optionally at least one conductive agent, characterized in that said at least one binder comprises, preferably consists of, a polyamide thermoplastic polymer.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/04 - Processes of manufacture in general
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

Abstract

The present invention relates to a compound of formula (I), the preparation method thereof, and the use of same for the preparation of a polyamide or a polyether block amide incorporating a repeating unit derived from the compound within its polymer chain, conferring inherent flame-retardant properties on same. The invention also relates to the polyamide and the polyether block amide, an article comprising same, and the production method thereof.

IPC Classes  ?

• C07F 9/30 - Phosphinic acids [R2=P(:O)OH]Thiophosphinic acids
• C07F 9/6571 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
• C08G 63/688 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing sulfur
• C08K 5/5313 - Phosphinic compounds, e.g. R2=P(:O)OR'
• C08G 69/08 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino carboxylic acids
• C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
• C08G 69/40 - Polyamides containing oxygen in the form of ether groups
• C08G 69/42 - Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Abstract

The present invention relates to a composition of thermoplastic polymer powders for manufacturing articles by 3D printing, in particular by sintering, comprising a mixture of powders of thermoplastic polymers, one of which is present in a small amount, making it possible to obtain printed parts having an improved mechanical property. The invention also relates to a process for preparing the powder composition, to the use of the composition in a laser sintering manufacturing process, and to the articles produced from said powder composition.

IPC Classes  ?

• B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Abstract

The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein: the element comprises at least one layer consisting of a composition C, characterised in that: - the composition C comprises from 50 to 99.9% by weight, relative to the total weight of the composition, of a polyamide matrix having an average C/N ratio of greater than or equal to 7, and is free of fibres and reinforcing fillers; - the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; and - the layer is intended to be in contact with the dielectric fluid.

IPC Classes  ?

• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• C09K 5/10 - Liquid materials
• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials

Abstract

The present invention relates to a composition comprising at least one optionally quaternized (poly)esteramine, and at least one phosphorus-containing, sulfur-containing or phosphorus and sulfur-containing additive, said composition being advantageously used as an additive composition in lubricating formulations. The invention also relates to lubricating formulations comprising said additive composition, as well as to the use of said lubricating formulation in motor vehicle engines, milling and metal-cutting systems, and fuel compositions.

IPC Classes  ?

• C10M 119/24 - Lubricating compositions characterised by the thickener being a macromolecular compound containing nitrogen
• C10M 135/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
• C10M 137/00 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
• C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond

Abstract

The present invention relates to the use of at least one peroxide selected from the group consisting of the peresters of formula (I), alone or in combination with one or more different additional peroxide(s), for the radical polymerisation or copolymerisation of ethylene under high pressure. The invention also relates to a method for preparing polyethylene, comprising a step of radical polymerisation or copolymerisation of ethylene under high pressure in the presence of at least one peroxide selected from the group consisting of the peresters of formula (I), alone or in combination with one or more different additional peroxide(s). The present invention also relates to a composition comprising ethylene, at least one peroxide selected from the group consisting of the peresters of formula (I), and optionally one or more additional peroxide(s) other than the peresters of formula (I).

IPC Classes  ?

• C08F 4/34 - Per-compounds with one peroxy-radical
• C08F 110/02 - Ethene
• C08F 4/38 - Mixtures of peroxy-compounds

Abstract

The invention relates to the field of coatings for protecting various articles against corrosion, especially parts of a water-treatment or water transportation system. More particularly, the invention relates to a coating comprising a primer and a topcoat, to a coated article comprising this coating, and to a process for manufacturing the same.

IPC Classes  ?

• B05D 1/38 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
• B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
• B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
• B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
• B65D 1/12 - Cans, casks, barrels, or drums
• B65D 25/14 - Linings or internal coatings
• C08G 69/34 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids using polymerised unsaturated fatty acids
• C08L 77/08 - Polyamides derived from polyamines and polycarboxylic acids from polyamines and polymerised unsaturated fatty acids
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• C09D 5/08 - Anti-corrosive paints
• C08L 33/02 - Homopolymers or copolymers of acidsMetal or ammonium salts thereof
• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids

Abstract

The invention relates to a method for preparing a fluoropolymer from an ethylenic fluoropolymer by reaction with a peroxide. The method makes it possible in particular to modify the electroactive properties of the polymer. The invention also relates to a fluoropolymer that can be used in compositions or in the form of films or in multilayer systems for heat transfer and energy storage applications.

IPC Classes  ?

• C08F 8/08 - Epoxidation
• C08F 8/26 - Removing halogen atoms or halogen-containing groups from the molecule
• C08F 8/50 - Partial depolymerisation
• C08J 5/22 - Films, membranes or diaphragms
• C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
• H10N 15/10 - Thermoelectric devices using thermal change of the dielectric constant, e.g. working above and below the Curie point

Abstract

The invention relates to a process for manufacturing a hollow body made of composite material, the process comprising the following successive steps: i) manufacturing a non-consolidated elongate textile preform by means of a specific device (1), the non-consolidated elongate textile preform having a constant cross section over its entire length, ii) co-consolidating, in a mould (41), the textile preform (40) obtained in the preceding step with at least one part (42) interlocking with the textile preform, iii) demoulding the composite part obtained at a temperature lower than the crystallization temperature of the thermoplastic matrix, and also to the hollow body.

IPC Classes  ?

• B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
• B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
• B29C 53/58 - Winding and joining, e.g. winding spirally helically
• B29C 53/70 - Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels with rotatable winding feed member and moving axially
• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
• B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles

Abstract

The invention relates to a method for manufacturing a composite part, the method comprising the following successive steps: (i) manufacturing a non-consolidated elongate textile preform by means of a specific device, (ii) consolidating the textile preform obtained in the preceding step, comprising: - a step of heating in a closed mould to a temperature higher than the melting temperature of the thermoplastic matrix under pressure, the mould (43) imposing a change in shape on the preform, then - a step of cooling the consolidated preform within the mould, and (iii) demoulding the composite part at a temperature lower than the crystallization temperature of the thermoplastic matrix.

IPC Classes  ?

• B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
• B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
• B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
• B29C 53/02 - Bending or folding
• B29C 70/54 - Component parts, details or accessoriesAuxiliary operations

Abstract

112222 is selected from hydrogen, alkyl, aryl and/or alkenyl group, and X is an alkali or alkaline earth element; and - the at least one organic polymer comprises at least one side chain.

IPC Classes  ?

• H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
• H01M 8/1041 - Polymer electrolyte composites, mixtures or blends

Abstract

nmm, with m ranging from 1 to 3, R2 being selected from hydrogen or an alkyl, aryl and/or alkenyl group, R3 being selected from an alkyl, aryl and/or alkenyl group and comprising a hydrolysable function, and M being a metalloid element; and - the at least one organic polymer comprises at least one side chain.

IPC Classes  ?

• C08G 77/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
• H01G 11/54 - Electrolytes
• H01M 6/18 - Cells with non-aqueous electrolyte with solid electrolyte
• H01M 6/24 - Cells comprising two different electrolytes
• H01M 8/1044 - Mixtures of polymers, of which at least one is ionically conductive
• H01M 8/1072 - Polymeric electrolyte materials characterised by the manufacturing processes by chemical reactions, e.g. insitu polymerisation or insitu crosslinking
• H01M 10/052 - Li-accumulators
• H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
• G02F 1/15 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
• G02F 1/1523 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
• G02F 1/1506 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect based on electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode

Abstract

A curable composition is described, where the composition comprises, consists essentially of, or consists of a monomer of Formula (1) and a monomer of Formula (2), wherein a molar ratio of the monomer of Formula (1) to the monomer of Formula (2) is at least 1.5:1 and wherein the curable composition is substantially free of water. Also described is the cured composition, a substrate coated by the curable composition and a process for preparing the monomers of Formula (1) and Formula (2). The curable composition is useful to serve as a coating for a battery, especially for the external surface of a battery.

IPC Classes  ?

• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C09D 5/08 - Anti-corrosive paints

Abstract

The invention relates to coumarin thioester compounds, their preparation process and their use as photoinitiators, preferably as photoinitiators activable under 250 to 550 nm, in particular 250 to 460 nm, light irradiation, notably to cure formulations comprising one or more ethylenically unsaturated compounds.

IPC Classes  ?

• C09B 57/02 - Coumarine dyes

Abstract

The present invention relates to a process for producing a stable PVDF latex by emulsion polymerization in the absence of fluorinated surfactant, stabilized by a hydrophilic macromolecular reversible addition-fragmentation chain transfer (RAFT) agent.

IPC Classes  ?

• C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
• C08F 14/22 - Vinylidene fluoride
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C08J 5/22 - Films, membranes or diaphragms

Abstract

The present invention relates to a process for producing a stable PVDF latex by emulsion polymerization in the absence of fluorinated surfactant and in the presence of a hydrophilic (2-iodopropionate)-functionalized poly(ethylene glycol).

IPC Classes  ?

• C08F 14/22 - Vinylidene fluoride
• C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
• C08J 5/18 - Manufacture of films or sheets
• C08J 5/22 - Films, membranes or diaphragms
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers

Abstract

The present invention relates to a polymerizable phosphine oxide-based photoinitiator, to a process for preparing said photoinitiator and to a precursor that may be used to prepare said photoinitiator. The present invention further relates to a photoinitiator composition, to a curable composition, to a process for the preparation of a cured product, to a process of inkjet printing, to a process of 3D printing and to a process for coating a nail. The invention also relates to precursors of the photoinitiator or the photoinitiator composition. The invention also relates to the use of the photoinitiator or the photoinitiator composition.

IPC Classes  ?

• C07F 9/53 - Organo-phosphine oxidesOrgano-phosphine sulfides
• C07F 9/6558 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system
• C07F 9/6533 - Six-membered rings
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08K 5/00 - Use of organic ingredients
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
• G03F 7/031 - Organic compounds not covered by group
• G03F 7/029 - Inorganic compoundsOnium compoundsOrganic compounds having hetero atoms other than oxygen, nitrogen or sulfur

Abstract

The invention relates to an aqueous dispersion of polymer particles obtained by emulsion polymerization of a monomeric mixture comprising: - a) between 50 wt% and 90 wt% of a C4-C8 alkyl acrylate, - b) between 2 wt% and 15 wt% of a vinyl aromatic monomer selected from styrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, α-methylstyrene, o-ethylstyrene, m-ethylstyrene, p-ethylstyrene, p-tert-butylstyrene, o-methyl-p- isopropylstyrene, p-chlorostyrene, p-bromostyrene, o,p-dichlorostyrene, o,p- dibromostyrene, o-methoxystyrene, m-methoxystyrene, p-methoxystyrene, optionally substituted vinylnaphthalenes, 2-vinyl anthracene, and mixtures thereof, - c) between 2 wt% and 20 wt% of a C1 -C2 alkyl (meth)acrylate, - d) between 1 wt% and 15 wt% of a hydroxy C2-C8 alkyl (meth)acrylate, - e) between 1 wt% and 5 wt% of an ethylenically unsaturated polycarboxylic acid and/or a salt thereof, and - f) optionally up to 30 wt% of an ethylenically unsaturated monomer different from a), b), c), d) and e) as defined above, wherein the aqueous dispersion further comprises a surfactant mixture comprising a monoester sulfosuccinate salt, a diester sulfosuccinate salt and an ethoxylated and/or propoxylated non-ionic surfactant, the weight percentages being with respect to the total weight of the monomeric mixture. The invention also relates to a process for preparing the aqueous dispersion according to the invention, an adhesive composition comprising said aqueous dispersion and its uses, and an article or a multilayer system comprising the adhesive composition. The invention also relates to a self-adhesive product obtainable from the multilayer system according to the invention. Finally, the invention relates to a process for recycling an article comprising the adhesive composition according to the invention.

IPC Classes  ?

• C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
• C08F 2/30 - Emulsion polymerisation with the aid of emulsifying agents non-ionic
• C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
• C09J 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
• C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive

Abstract

The invention relates to thioester compounds, their preparation process and their use as photoinitiators, preferably as photoinitiators activable under 250 to 550 nm, in particular 250 to 460 nm, light irradiation, notably to cure formulations comprising one or more ethylenically unsaturated compounds.

IPC Classes  ?

• C07D 335/16 - Oxygen atoms, e.g. thioxanthones
• C07C 327/16 - Monothiocarboxylic acids having carbon atoms of thiocarboxyl groups bound to carbon atoms of six-membered aromatic rings
• C07C 381/00 - Compounds containing carbon and sulfur and having functional groups not covered by groups

Abstract

The present invention relates to a curable composition comprising: a) a cationically polymerizable component, b) a cationic photoinitiator component comprising at least one iodonium salt, c) a photosensitizer component comprising at least one multifunctional halogenated thioxanthone. It further relates to processes for curing such compositions, cured products thus obtained and uses of such products.

IPC Classes  ?

• C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
• C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
• C08G 65/18 - Oxetanes
• C08G 65/26 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
• C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
• C09J 171/00 - Adhesives based on polyethers obtained by reactions forming an ether link in the main chainAdhesives based on derivatives of such polymers
• C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
• C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chainCoating compositions based on derivatives of such polymers

Abstract

TobamovirusTobamovirusTobamovirus genus, which comprises applying to the growing media or cultivation soils a compound of formula (1): R-S(O)n-Sx-R' or a composition (C) comprising the compound of formula (1): R-S(O)n-Sx-R'.

IPC Classes  ?

• A01N 31/02 - Acyclic compounds
• A01P 1/00 - DisinfectantsAntimicrobial compounds or mixtures thereof
• A01P 15/00 - Biocides for specific purposes not provided for in groups

Abstract

The present invention relates to a thermoplastic copolymer containing semi-crystalline polyamide blocks and flexible blocks, wherein: - the semi-crystalline polyamide blocks contain from 30 to 75% by weight, preferably from 30 to 70% by weight of aliphatic dicarboxylic acid and/or diamine comprising at least 36 carbon atoms, relative to the total weight of polyamide blocks, the repeating units of the polyamide blocks of the copolymer having a mean carbon content of greater than or equal to 7, - the flexible blocks comprise blocks derived from polyethylene glycol and, - the weight proportion of the polyamide blocks is of from 15 to 60% by weight relative to the total weight of the copolymer, and - the weight proportion of the flexible blocks is of from 40 to 85% by weight relative to the total weight of the copolymer, the melting point of the copolymer of the invention is equal to or higher than 80°C, preferably higher than 80°C. The present invention concerns a membrane for gas separation, comprising the copolymer and its preparation process.

IPC Classes  ?

• C08G 69/34 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids using polymerised unsaturated fatty acids
• B01D 71/56 - Polyamides, e.g. polyester-amides
• C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
• C08G 69/40 - Polyamides containing oxygen in the form of ether groups
• C08L 77/08 - Polyamides derived from polyamines and polycarboxylic acids from polyamines and polymerised unsaturated fatty acids
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
• B01D 71/80 - Block polymers

Abstract

The present invention relates to an asymmetric hollow-fiber membrane for gas separation, comprising at least one support layer and at least one gas separation layer, the support layer and the gas separation layer being made of a composition comprising more than 70% by weight of a copolymer comprising polyamide blocks and flexible polyether blocks, wherein: - the polyether blocks comprises blocks derived from polyethylene glycol (PEG), polypropylene glycol, polytrimethylene glycol, polytetramethylene glycol or mixtures thereof, preferably polyethylene glycol, - the polyamide blocks comprises at least a unit derived from polycondensation of at least one lactam, of at least one aminocarboxylic acid or of at least one diamine and at least one dicarboxylic acid, and - the ratio of the thickness of the support layer to the thickness of the gas separation layer is from 1.49 to 10,000. The invention further relates to the process for producing the asymmetric hollow-fiber membrane.

IPC Classes  ?

• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 69/08 - Hollow fibre membranes
• B01D 71/80 - Block polymers
• D01D 5/24 - Formation of filaments, threads, or the like with a hollow structureSpinnerette packs therefor

Abstract

The present invention relates to the use of a catalyst comprising a mixture of copper and zinc for continuous, gas-phase synthesis of methyl isobutyl ketone (MIBK) and/or methyl isobutyl carbinol (MIBC) from mesityl oxide. The invention also relates to a synthesis method comprising the following sequence of steps: continuous injection of the reagents in gas form through a reactor; hydrogenation reaction under pressure of hydrogen and at a temperature of between 120 and 250°C in the presence of the catalyst; condensation of the stream from the reactor and separation of the gas stream from the liquid stream; and purification of the liquid stream in order to separate the methyl isobutyl ketone and/or the methyl isobutyl carbinol.

IPC Classes  ?

• B01J 23/06 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of zinc, cadmium or mercury
• B01J 23/72 - Copper
• C07C 45/73 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by isomerisationPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups combined with hydrogenation

Abstract

The invention relates to polyurethane adhesive compositions and laminates which include one of the adhesive compositions and methods of making such laminates. The adhesive may be a 2-component adhesive. The adhesive may be a structural adhesive. A 2-component polyurethane adhesive composition includes a. a prepolymer component and a curative component, wherein the prepolymer comprises (i) at least about 30 wt% of a polyol component, preferably up to no more than about 70 wt%, further preferably at least about 40 wt%, more preferably at least about 45 wt%, even more preferably at least about 50 wt%, and b. the adhesive composition comprises at least 0.05 wt% of a non-amine/non-tin containing catalyst and preferably less than 0.7 wt% of a tin containing catalyst.

IPC Classes  ?

• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/22 - Catalysts containing metal compounds
• C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
• C08G 18/48 - Polyethers
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C09J 175/08 - Polyurethanes from polyethers

Abstract

A flame retardant curable composition comprises at least one isocyanurate-containing monomer having at least one (meth)acrylate group in an amount of at least 25 wt% based on the total weight of polymerizable components; a phosphorus-containing non-reactive filler in an amount of at least 5 wt% based on the total weight of polymerizable components, and a free radical photoinitiator, wherein the phosphorus-containing non-reactive filler is in a solid form at room temperature and contains at least 10% by weight of phosphorus, and wherein the composition is substantially free of any halogens. The cured composition and three dimensional printed articles comprising the cured composition are also described.

IPC Classes  ?

• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• C08F 222/10 - Esters
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08G 75/045 - Polythioethers from mercapto compounds or metallic derivatives thereof from mercapto compounds and unsaturated compounds
• C08K 3/016 - Flame-proofing or flame-retarding additives
• C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
• C09D 5/18 - Fireproof paints
• C08K 3/32 - Phosphorus-containing compounds
• C09D 7/61 - Additives non-macromolecular inorganic

Abstract

A curable composition comprises a cationically polymerizable component, a sulfonium borate cationic photoinitiator, a radically polymerizable component, and a radical photoinitiator. The radically polymerizable component is present in the curable composition in an amount greater than or equal to 40% by weight, based on the total weight of the polymerizable components. The radically polymerizable component comprises a (meth)acrylate-functionalized monomer, a (meth)acrylate-functionalized oligomer, or both, each having at least two (meth)acrylate functional groups. The (meth)acrylate-functionalized monomer and the (meth)acrylate-functionalized oligomer are present in a combined amount greater than or equal to 50% by weight, based on the total weight of radically polymerizable component in the curable composition.

IPC Classes  ?

• B22C 7/02 - Lost patterns
• B22C 9/04 - Use of lost patterns
• B33Y 70/00 - Materials specially adapted for additive manufacturing
• B33Y 80/00 - Products made by additive manufacturing

Abstract

22X group. The present invention also relates to a method for preparing the polymer and its use in a separator or as an electrode binder in electrochemical devices.

IPC Classes  ?

• C08F 265/04 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of esters
• C08F 275/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of monomers containing phosphorus, selenium, tellurium, or a metal as defined in group
• H01M 50/42 - Acrylic resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

Abstract

002211.

IPC Classes  ?

• C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds

Abstract

The present invention relates to a composition comprising a fluorinated polymer P1 comprising monomer units derived from a fluorinated monomer M1a and a copolymer P2 comprising monomer units derived from a monomer M2a of formula (Ia) R1R2C=C(R3)C(O)R or (Ib) R1R2C=C(R3)R'' and monomer units derived from a monomer M2b of formula (II). The composition is used as an electrode binder.

IPC Classes  ?

• H01M 4/04 - Processes of manufacture in general
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
• H01M 50/42 - Acrylic resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/431 - Inorganic material
• H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
• H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure

Abstract

The present invention relates to a method for preparing a fluorinated polymer P1 comprising a step of polymerising a fluorinated monomer M1 in an aqueous medium in the presence of an initiator A2 and a chain transfer agent A1, characterised in that the chain transfer agent A1 is phosphorous acid or a salt thereof.

IPC Classes  ?

• C08F 14/22 - Vinylidene fluoride
• C08F 2/22 - Emulsion polymerisation
• C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• C08F 14/18 - Monomers containing fluorine
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• H01M 10/052 - Li-accumulators

Abstract

A curable composition comprising: A) a free radical polymerizable resin comprising at least one (meth)acrylate monomer, at least one (meth)acrylate oligomer, or both; B) a cationically polymerizable resin; C) a free radical photoinitiator; D) a photoacid generator; and E) a polyol; wherein a weight ratio of A:B is from 32:1 to 2:1. Methods of using the curable composition include using it as a dually curable pressure sensitive adhesive having good peel and cohesive strength.

IPC Classes  ?

• C09J 133/10 - Homopolymers or copolymers of methacrylic acid esters

Abstract

nmm-B (I), wherein R, A, B, n and m are as defined in the description, is used as a surfactant in agrochemical formulations. The invention also relates to agrochemical formulations comprising the compound of formula (I).

IPC Classes  ?

• A01N 25/30 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants

Abstract

The present invention relates to a method for recycling a polyamide, said polyamide originating from at least one product consisting of one or more components comprising an initial composition C1 comprising a polyamide, pollutants originating from the use of said product and one or more volatile and non-volatile constituent(s) present originally in said product before its use, the initial proportion of said pollutants being from 0.1 to 20% by weight relative to the total weight of said composition, characterized in that it comprises the following steps: a) optionally pre-treating said product, b) optionally fashioning said product not treated or said component separated in step a), c) introducing said product not treated and optionally fashioned in step b) or said component separated in step a) and optionally fashioned in step b), into a system capable of melting, at a temperature higher than the Tm of said polyamide if it is semi-crystalline or higher than the Tg of said polyamide if it is amorphous, d) introducing said molten product obtained in step c) into a system capable of continuously transporting a polymer and having a degassing surface, e) dispensing, in the form of a thin film, said molten product from step d) on the walls of said system by means of a rotor with continuous degassing of said molten product from step d) in order to reduce or remove said pollutants and said one or more volatile constituent(s), f) obtaining a final composition C2 of molten polyamide and then fashioning it into the form of a powder, ground material, granules or a new extruded part, said final fashioned composition having a proportion by weight of said pollutants lower than the initial proportion present in said initial composition C1.

IPC Classes  ?

• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions

Abstract

An embodiment disclosed herein is a composition that will function as an all temperature wash-off adhesive. Preferably the composition is an emulsion. The emulsion may include a plurality of polymer particles. The polymer particles may comprise an acrylic-based copolymer. The composition may include at least one: (a) anionic surfactant; (b) a pyrrolidone containing polymer; and (c) at least one nonionic surfactant. The adhesive may adhere a label to a substrate. Also disclosed herein are methods of making the adhesive composition and the label including the adhesive. Other methods may include recycling the substrate, removing the label as well as storing a substrate having the label at temperatures of 40°F or less.

IPC Classes  ?

• C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
• C09J 133/10 - Homopolymers or copolymers of methacrylic acid esters
• C09J 133/24 - Homopolymers or copolymers of amides or imides
• C09J 7/38 - Pressure-sensitive adhesives [PSA]
• C11D 1/02 - Anionic compounds
• C11D 1/66 - Non-ionic compounds
• C11D 1/86 - Mixtures of anionic, cationic, and non-ionic compounds

Abstract

The present invention relates to a method for the preparation of polystyrene, in particular expandable polystyrene, by suspension polymerisation, and to a polystyrene obtained by such a method. The invention also relates to the use of an organic peroxide of formula (I) as a styrene polymerisation initiator and as a flame retardant synergist, as well as to a composition comprising at least one organic peroxide of formula (I) and a halogenated flame retardant.

IPC Classes  ?

• C08F 112/08 - Styrene
• C08K 5/02 - Halogenated hydrocarbons
• C08K 5/14 - Peroxides
• C08L 25/06 - Polystyrene
• C08F 12/08 - Styrene
• C08F 4/36 - Per-compounds with more than one peroxy-radical

Abstract

The present invention relates to a method for the preparation of polystyrene, in particular expandable polystyrene, by suspension polymerisation, and to a polystyrene obtained by such a method. The invention also relates to the use of an organic peroxide of formula (I) for the preparation of expandable polystyrene and to a composition comprising at least one organic peroxide of formula (I) and a halogenated flame retardant.

IPC Classes  ?

• C08F 112/08 - Styrene
• C08K 5/02 - Halogenated hydrocarbons
• C08K 5/14 - Peroxides
• C08L 25/06 - Polystyrene
• C08F 12/08 - Styrene
• C08F 4/36 - Per-compounds with more than one peroxy-radical

Abstract

The present invention relates to a method for treating a (meth)acrylate, a (meth)acrylate obtained thereof, and its uses.

IPC Classes  ?

• C07C 67/56 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
• C07C 201/00 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton

Abstract

The present invention relates to a curable composition comprising: - a treated (meth)acrylate obtained by a method comprising the step of treating a (meth)acrylate with a clay, wherein the clay is an acid-activated montmorillonite; and - a cyanoacrylate.

IPC Classes  ?

• C07C 51/47 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
• C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
• C08F 222/32 - Alpha-cyano-acrylic acidEsters thereof
• C08K 3/34 - Silicon-containing compounds
• C08K 9/02 - Ingredients treated with inorganic substances

Abstract

The present invention relates to a lubricating fluid comprising water, one or more oils, and homocysteine or a derivative thereof, having extreme-pressure and/or anti-wear and/or anti-biofilm properties. The present invention also relates to the use of homocysteine or a derivative thereof in a lubricating fluid, in particular in a semi-synthetic fluid. Finally, the present invention relates to a method for lubricating a metal or a composite comprising a step of bringing the metal or the composite into contact with a lubricating fluid comprising water, one or more oils, and homocysteine or a derivative thereof.

IPC Classes  ?

• C10M 135/22 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
• C10M 135/26 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groupsDerivatives thereof
• C10M 173/00 - Lubricating compositions containing more than 10% water
• C11D 3/34 - Organic compounds containing sulfur

Abstract

The present invention relates to a lubricating grease composition comprising a novel sulfur-containing additive, in particular homocysteine, cysteine and derivatives thereof, having extreme-pressure and/or anti-wear properties. The present invention also relates to the use of this novel sulfur-containing additive, as well as to a method for lubricating a metal or a composite, which entails bringing said metal or said composite into contact with a grease comprising said sulfur-containing additive.

IPC Classes  ?

• C10M 113/02 - CarbonGraphite
• C10M 113/10 - ClaysMicas
• C10M 113/12 - Silica
• C10M 117/02 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
• C10M 119/22 - Lubricating compositions characterised by the thickener being a macromolecular compound containing halogen
• C10M 119/24 - Lubricating compositions characterised by the thickener being a macromolecular compound containing nitrogen
• C10M 119/26 - Lubricating compositions characterised by the thickener being a macromolecular compound containing sulfur
• C10M 135/22 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
• C10M 135/26 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groupsDerivatives thereof

Abstract

The present invention relates to the use of basic salts of sulphur compounds, in particular amino acids having a thiol function, such as cysteine or homocysteine, as metal corrosion inhibitors, in particular in the oil, gas and/or mining industry. The present invention also relates to anti-corrosion formulations comprising basic salts of sulphur compounds, as well as to the uses thereof in the oil, gas and/or mining industry.

IPC Classes  ?

• C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
• C09K 8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
• C23F 11/14 - Nitrogen-containing compounds
• C23F 11/16 - Sulfur-containing compounds

Abstract

The present invention relates to a process for the simultaneous production of a solution of lithium cations and of a molecular sieve having a low lithium content, the process comprising providing a lithium-exchanged molecular sieve which is spent or unsuitable for its intended uses, it being possible for the co-produced molecular sieve having a low lithium content to be re-used as a molecular sieve.

IPC Classes  ?

• C01B 39/02 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactantsAfter-treatment thereof
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• B01J 20/34 - Regenerating or reactivating
• B01J 38/74 - Regeneration or reactivation of catalysts, in general utilising ion-exchange
• B01J 39/02 - Processes using inorganic exchangers
• C01D 15/04 - Halides
• B01J 20/18 - Synthetic zeolitic molecular sieves

Abstract

The invention relates to an electrolyte comprising: – an ionic liquid comprising: o a bis(fluorosulphonyl)imide anion, o and at least one phosphonium cation of formula (PR1R2R3R4)+, wherein each group R1, R2, R3 and R4 independently represents a linear or branched, saturated or unsaturated alkyl group comprising 1 to 14 carbon atoms, or an alkyl-aryl group comprising 7 to 14 carbon atoms, or an aryl group comprising 6 to 10 carbon atoms, the groups R1, R2, R3 and R4 possibly optionally comprising one or more heteroatoms; and – a lithium bis(fluorosulphonyl)imide salt; wherein the sulphamate ion content is 0.1-3000 ppm by weight.

IPC Classes  ?

• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys

Abstract

The present invention relates to a use of a composition comprising: - one or more alkoxylated formocardanol resins including 2 to 200 alkoxyl units per phenolic unit, - one or more alkoxylated cardanol compounds including 2 to 200 alkoxyl units per phenolic unit, the mass ratio between the one or more alkoxylated resins and the one or more alkoxylated cardanol compounds being between 1:1 and 50:1, preferably between 2:1 and 30:1, more preferably between 3:1 and 25:1, for demulsifying the fluids derived from petroleum production, and in particular hydrocarbons

IPC Classes  ?

• B01D 17/04 - Breaking emulsions
• C08G 8/36 - Chemically modified polycondensates by etherifying
• C10G 33/04 - De-watering or demulsification of hydrocarbon oils with chemical means

Abstract

The present invention relates to the use of a polyol of the following formula (I): (I) for delaying or preventing the formation and/or agglomeration of gas hydrates in production fluids present in facilities during oil and gas extraction.

IPC Classes  ?

• C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
• C10L 3/10 - Working-up natural gas or synthetic natural gas
• C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
• C09K 8/528 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
• C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning

Abstract

The present invention relates to a composition for retarding or preventing the formation and/or agglomeration of gas hydrates in installations for producing, transporting and storing fluids during oil and/or gas exploitation, comprising: - at least one polyol of the following formula (I): (I) - at least one kinetic hydrate inhibitor chosen from polymers in which at least one of the repeating units comprises at least one amide function.

IPC Classes  ?

• C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
• C10L 3/10 - Working-up natural gas or synthetic natural gas
• C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
• C09K 8/528 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates
• C09K 8/58 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
• C09K 8/035 - Organic additives
• C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
• C10L 1/224 - AmidesImides

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin modified with an unsaturated non-fatty monoacid. The invention also relates to a method for preparing the alkyd emulsion and its use in obtaining a coating, in particular a decorative or industrial coating. The coating obtained with this alkyd emulsion has a high content of bio-based compounds and improved performance in terms of hardness development.

IPC Classes  ?

• C08G 63/48 - Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acidsPolyesters chemically modified by esterification by resin acids
• C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C09J 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids

Abstract

The present invention relates to a method for recycling a polyamide, said polyamide originating from at least one product consisting of one or more elements comprising an initial composition C1 comprising a polyamide, pollutants originating from the use of said product and one or more volatile and non-volatile constituent(s) present originally in said product before its use, the initial proportion of said pollutants being from 0.1 to 20% by weight relative to the total weight of said composition, characterized in that it comprises the following steps: a) optionally pre-treating said product, b) optionally shaping said product not treated or said element separated in step a), c) introducing said product not treated and optionally shaped in step b) or said separated element from step a), optionally shaped in step b), into a system capable of melting and transporting a polymer continuously and having a degassing surface, d) extruding with continuous degassing in the melt state of said optionally shaped product or of said separated polyamide formed and introduced in step c) at a temperature higher than the Tm of said polyamide if it is semi-crystalline or higher than the Tg of said polyamide if it is amorphous, e) obtaining a final molten polyamide composition C2 and then converting it into the form of a powder, ground material, pellets or a new extruded part, said final converted composition having a proportion by weight of said pollutants lower than the initial proportion present in said initial composition C1.

IPC Classes  ?

• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions

Abstract

The present invention relates to a method for recycling a polyamide, said polyamide originating from at least one product consisting of one or more elements comprising an initial composition C1 comprising a polyamide and one or more volatile and non-volatile constituent(s) present originally in said product before its use, the initial proportion of said volatile constituent(s) being from 0.1 to 21% by weight relative to the total weight of said composition, characterized in that it comprises the following steps: a) optionally pre-treating said product, b) optionally shaping said product not treated or said element separated in step a), c) introducing said product not treated and optionally shaped in step b) or said separated element from step a), optionally shaped in step b), into a system capable of melting and transporting a polymer continuously and having a degassing surface, d) extruding with degassing, continuously in the melt state, of said optionally shaped product or of said separated polyamide formed and introduced in step c) at a temperature higher than the Tm of said polyamide if it is semi-crystalline or higher than the Tg of said polyamide if it is amorphous, e) obtaining a final molten polyamide composition C2 and then converting it into the form of a powder, ground material, pellets or a new extruded part, said final shaped composition having a proportion by weight of said volatile constituant(s) lower than the initial proportion present in said initial composition.

IPC Classes  ?

• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions

Abstract

The invention relates to an electrically insulating composition for covering an electricity transmission component, the composition comprising: - predominantly at least one polyamide, the one or more polyamides having: - a difference, expressed in absolute value, between the total acidity of the one or more polyamides or and the total basicity of the one or more polyamides of less than 70, the total basicity and the total acidity being measured by potentiometry; and - a total basicity of less than 60 μeq/g measured by potentiometry, and the composition predominantly comprising at least one polyamide that has a number of carbon atoms per nitrogen atom greater than 6.5 and - at least one dye, characterised in that the colour of the composition is different from black, and its use for covering an electricity transmission component, preferably an electrical battery interconnection bar.

IPC Classes  ?

• B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
• C08G 69/14 - Lactams
• C08G 69/16 - Preparatory processes
• C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
• C08K 3/22 - OxidesHydroxides of metals
• C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
• H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
• H02G 5/00 - Installations of bus-bars