The invention relates to storage-stable prepregs (preimpregnated fibers) based on low-viscosity polyurethane systems having a very high characteristic number and flat fiber composite components (molded bodies; composite components) produced therefrom, which are obtained due to an impregnation method of fiber reinforced materials such as woven fabrics and fleece, and to a method for the production thereof.
The invention relates to a method for producing nitrobenzene, in which crude nitrobenzene is first produced by nitrating benzene and said crude nitrobenzene is then washed in succession in at least one acid wash, in at least one alkaline wash and in at least one neutral wash, at least one additional wash with an aqueous solution of a potassium salt being interposed between the last alkaline wash and the first neutral wash.
The present invention relates to a process and a plant for the production, in particular the continuous production, of nitrobenzene by means of adiabatic nitration of benzene with nitric acid in the presence of sulfuric acid, in which, following the nitration, a multi-stage concentration of the sulfuric acid is carried out by means of heating at a pressure that is reduced as compared with ambient pressure, and wherein the heating takes place using the heat generated in the adiabatic nitration of benzene.
The present invention relates to flame-resistant, thermoplastic molding compositions containing at least one aromatic polycarbonate, at least one flameproofing agent, at least one rubber-free anhydride-modified alpha-olefin terpolymer, at least one glass fiber, at least one antidripping agent, and optionally, at least one mold release agent and/or further additives.
The present invention furthermore relates to the use of the compositions according to the invention for the production of thin-walled housing parts or switch boxes in the EE sector.
The present invention relates to a method for producing polyetherester carbonate polyols by means of catalytic addition of carbon dioxide, alkylene oxides and cyclic anhydrides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalysts.
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
C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers
This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
G11B 7/2542 - Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
The present invention relates to a thermoplastic molding composition composed of polycarbonate and inorganic fillers which comprises from 0.01 to 0.5 part by weight of at least one anhydride-modified alpha-olefin terpolymer and which has a high degree of rigidity and nevertheless exhibits good strength, as well as stress-strain characteristics corresponding to those of an unreinforced polycarbonate. Surprisingly, the molding composition additionally exhibits an improvement in flame retardancy. The invention relates in particular to flame-retardant, thermoplastic molding compositions filled with glass fibers, and to the production and use thereof. The property profile is, surprisingly, independent of the degree of interaction of the filler with the polycarbonate matrix.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
9.
Process for producing metallized multi-layer bodies from special polycarbonates
The invention relates to a process for producing multi-layer bodies which carry at least one metal layer. The invention further relates to multi-layer products having at least three layers, comprising a substrate layer made of a substrate and containing special copolycarbonates, a metal layer and at least one additional layer.
The present invention relates to a solar module comprising a first layer, a solar cell arranged above the first layer and a second layer arranged above the solar cell. The first and/or the second layer comprise a fiber composite material which comprises a preferably aliphatic polyurethane polymer “dual cure” system) crosslinked thermally and by means of electromagnetic radiation. The material of the fibers of the fiber composite material is transparent at least in the region of visible light. The invention further relates to the use of this type of solar module and to a process for production thereof.
The invention relates to a process for the preparation of polyether polyols with equivalent molecular weights of from 8,000 to 20,000 g/mol from one or more H-functional starter compounds and one or more alkylene oxides in the presence of a double metal cyanide catalyst, characterized in that the alkylene oxides are metered into the reactor in the course of from 15 to 23 h.
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
12.
High-value polyurethane elastomers and production thereof
The present invention relates to high-value polyurethane (PUR) and polyurethaneurea elastomers, which can be processed in a particularly simple manner by use of low-viscosity prepolymers based on naphthalene 1,5-diisocyanate, and to a process for production thereof.
The invention relates to a process for purifying aniline produced by gas-phase hydrogenation of nitrobenzene, by fractional condensation of the crude reaction product obtained in gaseous form so that at least two liquid process products, a partial condensate (PK) and a total condensate (TK), are obtained.
The invention relates to a photopolymer formulation, comprising at least one polyol component, a polyisocyanate component, a write monomer, a photoinitiator, and a catalyst, wherein the photopolymer formulation has an activation temperature >8300 K. The invention further relates to a method for producing a holographic medium, to a holographic medium that can be obtained according to the method according to the invention, and to the use of a holographic medium according to the invention for producing a hologram.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/67 - Unsaturated compounds having active hydrogen
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 7/035 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polyurethanes
G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
G03H 1/18 - Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
G11B 7/24044 - Recording layers for storing optical interference patterns, e.g. hologramsRecording layers for storing data in three dimensions, e.g. volume storage
The invention relates to methods for the preparation of polyether polyols by DMC-catalysed alkylene oxide addition to starter compounds comprising acidic sulfuric acid salts, to the use thereof for the preparation of polyurethanes, and to polyurethanes comprising the polyether polyols according to the invention.
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
The invention relates to the use of layer structures in the production of rotor blades for wind power plants, and to rotor blades for wind power plants.
F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
B21D 53/78 - Making other particular articles propeller bladesMaking other particular articles turbine blades
B32B 5/22 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 5/28 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
50.3 of the particles (80, 100). The invention furthermore relates to a process for reaction of a fluid, wherein the reaction is carried out in a reactor according to the invention in the presence of heterogeneous catalyst particles (80) and the catalyst particles (80) are arranged in the holding device for catalyst particles (80). The invention also provides the use of knitted wire mesh fabric (50) as a holding device for catalyst particles and/or inert particles (80, 100) in chemical reactors.
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds
C07C 209/00 - Preparation of compounds containing amino groups bound to a carbon skeleton
at least one inorganic salt comprising a cation selected from the group consisting of alkali metals, alkaline earth metals and aluminum, and an anion selected from the group consisting of chloride, sulfate, nitrate, phosphate, acetate and formate, in a concentration of 100 to 5000 mg/kg, based on the composition, and wherein the salt is present in the composition exclusively in dissolved form or in the form of amorphous and/or crystalline inclusions having a size of not more than 60 μm.
Compositions of the present invention are distinguished by an improved surface after heat-moisture storage and are suitable in particular for the production of moldings with a high gloss finish that demand a class A surface, which have optionally been subjected, in whole or in part, to a further surface treatment step involving e.g. lacquering, in-mold decoration, or metallization by vacuum deposition or galvanization.
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
C08L 51/04 - 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 rubbers
C08F 257/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of aromatic monomers as defined in group on to polymers of styrene or alkyl-substituted styrenes
19.
Hot-sealable coating systems and method for joining surfaces
Hot-sealable coating systems and method for joining surfaces The present invention relates to a hot-sealable coating system, comprising a polyurethane and/or polyurethane-polyurea polymer (I) and an olefin vinyl acetate copolymer (II). The polyurethane and/or polyurethane-polyurea polymer (I) is obtainable by the reaction of (A) at least one diol and/or polyol component, (B) at least one di- and/or polyisocyanate component, (C) at least one component having sulphonate and/or carboxylate groups, (D) mono-, di- and/or tri-amino-functional and/or hydroxyamino-functional compounds (as appropriate), (E) other isocyanate-reactive compounds (as appropriate). The polyurethane and/or polyurethane-polyurea polymer (I) has a glass transition temperature of ≦10° C. and the olefin vinyl acetate copolymer (II) has a minimum film forming temperature (white point temperature) of >+40° C. The invention also relates to the use of the coating system and a method for joining surfaces in which the coating system according to the invention is used.
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
C08L 75/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
The present invention relates to novel low-monomer low-viscosity high-activity formulations composed of isocyanurate containing isocyanate groups, exclusively based on 2,4-diisocyanatotoluene and phthalate-free plasticizers, to the use thereof as adhesion promoters with improved adhesion for coating compositions based on plasticized polyvinyl chloride, and to coatings and coated substrates.
3 or hydrogen, Z is a linear or branched C2 to C4 alkyl radical, R is a linear or branched, optionally heteroatom-substituted aliphatic, aromatic or araliphatic radical, Y in each occurrence is independently hydrogen, methyl, ethyl, propyl, n-butyl, tert-butyl, chlorine, bromine, iodine, methylthio, phenyl or phenylthio, n is from 0 to 4 and m is from 0 to 5. The invention further relates to the use of such a compound as writing monomer in a photopolymer formulation. In addition, a photopolymer formulation comprising as least a polyisocyanate component, a polyol component, a photoinitiator and a compound of formula (I) as writing monomer, and also the use of the photopolymer formulation for producing holographic media, are likewise subjects of the invention.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
G03C 1/73 - Photosensitive compositions not covered by groups containing organic compounds
G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
G03H 1/30 - Processes or apparatus specially adapted to produce multiple holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
G11B 7/24044 - Recording layers for storing optical interference patterns, e.g. hologramsRecording layers for storing data in three dimensions, e.g. volume storage
C07C 323/12 - 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 singly-bound oxygen atoms 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
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
22.
Flame-resistant, UV-protected polycarbonate moulding compositions of low molecular weight degradation
C) at least one alkali metal or alkaline earth metal salt of a fluorinated organic acid, and C) has a content of free sulfate of less than 0.007 wt. % and a content of free fluoride of less than 0.017 wt.%, in each case based on the weight of C).
The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula F An, where F stands for a cationic dye and An″ stands for an anion, wherein the dye having the formula F An comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
G03F 7/035 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polyurethanes
C09B 23/04 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain containing an odd number of CH groups one CH group, e.g. cyanines, isocyanines, pseudocyanines
C09B 23/06 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain containing an odd number of CH groups three CH groups, e.g. carbocyanines
C09B 23/08 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain containing an odd number of CH groups more than three CH groups, e.g. polycarbocyanines
C09B 23/10 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain containing an even number of CH groups
C09B 23/16 - Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing hetero atoms
C09B 57/00 - Other synthetic dyes of known constitution
C09B 69/06 - Dyestuff salts, e.g. salts of acid dyes with basic dyes of cationic dyes with organic acids
G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
G03H 1/00 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto
G11B 7/24044 - Recording layers for storing optical interference patterns, e.g. hologramsRecording layers for storing data in three dimensions, e.g. volume storage
i and acts on the gas/liquid mixture, increases from zone to zone in the flow direction. In this connection n is a whole number greater than or equal to 3 and i is an index which runs through the whole numbers from 1 to the number n of zones. The invention further relates to a method for dispersing gas into a liquid using the device according to the invention.
The invention relates to a process for the continuous production of nitrobenzene by nitration of benzene with a mixture of nitric acid and sulfuric acid under adiabatic conditions, in which unreacted benzene is separated from the crude product obtained after phase separation before washing thereof, using the adiabatic heat of reaction.
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
C08F 290/04 - Polymers provided for in subclasses or
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
The present invention relates to a process for the preparation of polyether carbonate polyols from one or more alkylene oxides, carbon dioxide and optionally from one or more H-functional starter substances in the presence of at least one double metal cyanide catalyst, wherein the double metal cyanide catalyst comprises an unsaturated alcohol as a complexing ligand.
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
C08G 59/20 - 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 epoxy compounds used
28.
Laminate structure comprising a protective layer and an exposed photopolymer layer
The present invention relates to a laminate structure comprising a protective layer and an exposed photopolymer layer, the laminate structure being obtainable by reacting at least one radiation-curing resin I), an isocyanate-functional resin II) and a photoinitiator system III), and the radiation-curing resin I) containing ≦5% by weight of compounds having a weight-average molecular weight of <500 and ≧75% by weight of compounds having a weight-average molecular weight of >1000, the isocyanate-functional resin II) containing ≦5% by weight of compounds having a weight-average molecular weight of <500, and the protective layer containing the radiation-curing resin I) at least to an extent of 80% by weight and the isocyanate-functional resin II) at most to an extent of 15% by weight. The invention further provides a process for producing the inventive laminate structure.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
G11B 7/24044 - Recording layers for storing optical interference patterns, e.g. hologramsRecording layers for storing data in three dimensions, e.g. volume storage
G11B 7/245 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
and which are distinguished by an optimum combination of low molding shrinkage, high chemical resistance and good heat resistance together with good fire behavior, the use of the polycarbonate compositions for the production of moldings and the moldings themselves.
The present invention relates to the technical field of isocyanates. The present invention provides a method for preparing NCO prepolymers by reacting a stoichiometric excess of an organic isocyanate with an isocyanate-reactive component, the reaction components being mixed together and the mixture being introduced directly into a storage or transport vessel, where it reacts to completion.
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
C07C 263/16 - Preparation of derivatives of isocyanic acid by reactions not involving the formation of isocyanate groups
B29B 7/76 - MixingKneading using other mixers or combinations of dissimilar mixers with stream impingement mixing head
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
The invention relates to a process for the preparation of isocyanates in a system network comprising an isocyanate production plant, a chlorine production plant and a phosgene production plant, in which carbon dioxide formed as a by-product is partially to completely condensed out with the gaseous chlorine formed in the chlorine production plant and enters into the phosgene preparation process and, after the preparation of phosgene, the predominant part of the carbon dioxide formed is thereby sluiced out of the system network in gaseous form.
The invention relates to an aqueous adhesive composition containing at least one acrylate polymer with a glass transition temperature Tg>50° C. and at least one amorphous polyurethane or polyurethane-polyurea polymer with a glass transition temperature Tg<+10° C., the use of the adhesive compositions for the manufacture of heat-activated adhesive layers, and planar formations containing adhesive layers based on the adhesive composition.
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
C09J 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
The invention relates to a method for producing aqueous polyurethane-polyurea dispersions, aqueous polyurethane-polyurea dispersions produced by this method and their use to produce coating agents and adhesives.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08J 3/00 - Processes of treating or compounding macromolecular substances
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 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having a low bulk density. The invention also relates to a hydrophilic, aliphatic polyurethane foam which can be obtained according to said method and to the use thereof as a wound dressing, incontinence product or as a cosmetic article.
The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the cyanide-free metal salt, the metal cyanide salt or both the mentioned salts used for the preparation of the double metal cyanide catalyst contain(s) from 0.3 to 1.8 mol base equivalents (based on 1 mol of the metal cyanide salt used for the synthesis of the catalyst) of alkaline metal hydroxide, metal carbonate and/or metal oxide.
C07C 68/04 - Preparation of esters of carbonic or haloformic acids from carbon dioxide or inorganic carbonates
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
C08G 64/34 - General preparatory processes using carbon dioxide and cyclic ethers
37.
Stabilised polycarbonate compositions with blends of silica and an inorganic acid
The present invention relates to polycarbonate compositions having improved processing stability, increased heat stability and a good natural color, and to their preparation and use, wherein the polycarbonate compositions contain an adsorber or absorber and an acid.
The present invention relates further to a compounding process for the preparation of heat stabilized polycarbonate compositions containing constituents having a basic action, using acids applied to an adsorber or absorber.
The present invention relates further to the use of Brönsted acids applied to an adsorber or absorber for the heat stabilization of polymer mixtures, containing basic impurities, containing at least one polymer prepared by polycondensation, during compounding and thermal shaping.
The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having low bulk density. The invention further relates to hydrophilic, aliphatic polyurethane foams that can be obtained according to the method, and to the use thereof as a wound dressing, incontinence product, or as a cosmetic article.
The present invention relates to flame resistant molding compositions comprising polycarbonates and graft polymers which, in addition to good flow properties, exhibit good (notched) impact strength and high chemical resistance with a UL94V-0 classification at 1.5 mm. These molding compositions are particularly suitable for thin-walled housing parts in the electrical and electronics sector.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08L 51/06 - 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 homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
C08L 25/12 - Copolymers of styrene with unsaturated nitriles
C08L 51/04 - 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 rubbers
The invention relates to novel screw feed elements for multi-shaft screw feed machines having screw feed profiles rotating in the same direction in pairs and precisely abrading in pairs, to the use of the screw elements in multi-shaft screw feeding machines and to a method for extrusion of viscoelastic masses.
Disclosed is a composition comprising polycarbonate and from 0.0001 weight % to 0.1000 weight % of 2-(2,4-dihydroxy)phenyl-4,6-di(4-phenyl)phenyl-1,3,5-triazine.
The present invention relates to aqueous binder dispersions based on silane-modified polymeric binders and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the production of high quality coatings, in particular clear lacquers.
C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
The invention relates to sun protection compositions for application on the skin, containing special polyurethanes and special sun filter combinations, and to the use of said polyurethanes and sun filter combinations for producing sun protection products.
The invention relates to a process for the preparation of aromatic amines in the liquid phase by catalytic hydrogenation of the corresponding nitroaromatic compounds in at least two reaction spaces connected in series, wherein at least one reaction space is operated isothermally and at least the reaction space connected downstream thereof is operated adiabatically, and in preferred embodiments the sudden adiabatic temperature change is used for monitoring the reaction.
C07C 211/00 - Compounds containing amino groups bound to a carbon skeleton
C07C 209/36 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings
The invention relates to hydrophilic, aliphatic polyurethane foams, which are accessible by reacting hydrophilic polyisocyanates in the presence of water. Due to the absorption properties thereof, the polyurethane foams are in particular suited for producing wound dressings, cosmetic articles or incontinence products.
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/70 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
The invention relates to a method for constructing bodies which, while rotating codirectionally about axes arranged in parallel, constantly touch one another at at least one point.
B29C 47/40 - using at least two intermeshing screws
B29C 47/08 - Component parts, details or accessories; Auxiliary operations
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants. More specifically the invention relates to alkoxysilyl polyurethanes prepared from a polyol having a number-average molecular weight of from greater than 20,000 to 30,000 and an isocyanate alkoxysilane.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/71 - Monoisocyanates or monoisothiocyanates
48.
Use of tin catalysts for the production of polyurethane coatings
The present invention relates to the use of specific inorganic Sn(IV) for the production of polyisocyanate polyaddition products from a) at least one aliphatic, cycloaliphatic, araliphatic and/or aromatic polyisocyanate, b) at least one NCO-reactive compound, c) at least one thermolatent inorganic tin-containing catalyst, d) optionally further catalysts and/or activators other than c), e) optionally fillers, pigments, additives, thickeners, antifoams and/or other auxiliary substances and additives, wherein the ratio of the weight of the tin from component c) and the weight of component a) is less than 3000 ppm when component a) is an aliphatic polyisocyanate and less than 95 ppm when component a) is an aromatic polyisocyanate, wherein as thermolatent catalysts cyclic tin compounds of formula I, II or III:
wherein n>1,
are used.
C08G 18/24 - Catalysts containing metal compounds of tin
B01J 31/02 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
49.
Flameproofed, impact-modified, scratch-resistant polycarbonate moulding compositions with good mechanical properties
The present invention relates to flameproofed, impact-modified, scratch-resistant polycarbonate (PC) compositions and molding compositions with surface-modified, calcined kaolin as filler, which have good mechanical properties, good flowability and high chemical resistance. Furthermore, the present application relates to the use of the compositions for the production of moldings.
The present invention relates to polycarbonates comprising imide-containing aryl mono- or dihydroxy compounds as chain terminators and, respectively, monomer units, and also to compositions comprising the said polycarbonates, to their use for the production of mouldings, and to mouldings obtainable therefrom.
C08G 73/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups
The present invention relates to screw elements for multiscrew extruders with pairs of co-rotating and fully wiping screws, to the use of these screw elements in multiscrew extruders and to a method of generating screw elements according to the invention.
B01F 7/24 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with helices
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29C 47/08 - Component parts, details or accessories; Auxiliary operations
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
52.
Method for constructing co-rotating contiguous bodies and computer program product for carrying out said method and screw elements produced accordingly
The present invention relates to a method of generating tightly intermeshing, self-cleaning, co-rotating screw profiles, the use of the screw profiles in screw and transition elements, novel screw profiles which have been generated by the method and a computer program product for executing the method in a computer system.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29C 47/40 - using at least two intermeshing screws
B29C 47/08 - Component parts, details or accessories; Auxiliary operations
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
The invention relates to a method of constructing elements which wipe each other during corotation about two parallel axes in such a manner that they constantly touch each other at at least one point.
B29B 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
B29C 47/40 - using at least two intermeshing screws
B29C 47/08 - Component parts, details or accessories; Auxiliary operations
B29C 47/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (extrusion blow-moulding B29C 49/04)
Impact-modified polycarbonate compositions are disclosed that comprise a first graft polymer based on silicone-acrylate composite rubber as graft base, wherein the amount of silicone rubber is from 65 to 95 wt. % (based on the graft base), and a second graft polymer containing free copolymer, that is to say copolymer that is not chemically bonded to the rubber, and having a weight-average molecular weight of from 60,000 to 150,000 g/mol. The use of the polycarbonate compositions in the production of molded articles, and to the molded articles themselves are also disclosed. The compositions and molding compositions have an optimum combination of good elongation at tear, good hydrolytic stability and low melt viscosity.
The present invention provides electroactive polymer transducers configured for surface mode deformation to provide thickness mode actuation. The inventive transducers may find use in various applications, including but not limited to haptic feedback for user interface devices (e.g., key buttons, key pads, touch pads, touch screens, touch plates, touch sensors, etc.), fluid movement and control mechanism such as pumps and valves, breaking and clutch mechanisms, power generation, sensing, etc.
The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to adjust an optical parameter of the optical device or system.
G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
G02B 15/14 - Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
57.
Phenyl isocyanate-based urethane acrylates, processes for producing and methods of using the same
Urethane acrylates of the general Formula (I), corresponding salts, solvates or solvates of a salt thereof:
1-6-alkyl radical or a polyalkylene oxide radical having 2-6 ethylene oxide or propylene oxide units; processes for producing and methods of using the same.
C07C 269/02 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
C07C 271/28 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atom of at least one of the carbamate groups bound to a carbon atom of a six-membered aromatic ring to a carbon atom of a non-condensed six-membered aromatic ring
58.
Asymmetric multi-layer composites and processes for producing the same
Multi-layer composites comprising: (a) a first scratch-resistant coating layer comprising a first coating (primer); (b) a thermoplastic layer; and (c) a second scratch-resistant coating layer comprising a second coating (primer); wherein the first scratch-resistant coating layer and the second scratch-resistant coating layer are disposed on opposing sides of the thermoplastic layer; wherein the first coating and the second coating are not the same; and wherein the first scratch-resistant coating layer and the second scratch-resistant coating layer are selected such that a multi-layer composite having the first scratch-resistant layer disposed on both sides of the thermoplastic layer has a lower critical impact speed for tough/brittle transition at −30° C. according to DIN EN ISO 6603-1 than a multi-layer composite having the second scratch-resistant layer disposed on both sides of the thermoplastic layer; processes for producing the same; and uses therefor.
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
Dielectric elastomer or electroactive polymer film transducers configured to minimize high electrical field gradients that can lead to partial discharge and corona.
The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to stabilize the image produced by the device or system.
Devices employing electroactive polymer actuators are disclosed. The devices include pumps, valves, cameras (where electroactive polymer actuators control either one or both of zoom and focus), vibrators (for inclusion in cell phones, game console controls, etc.) and audio speakers. These devices advantageously incorporate the actuator configurations described. The devices generally incorporate a diaphragm-type actuation having a central section of material that is less flexible than adjacent material.
Devices employing electroactive polymer actuators are disclosed. The devices include pumps, valves, cameras (where electroactive polymer actuators control either one or both of zoom and focus), vibrators (for inclusion in cell phones, game console controls, etc.) and audio speakers. These devices advantageously incorporate the actuator configurations descried. The devices generally incorporate a diaphragm-type actuation having a central section of material that is less flexible than adjacent material.
Electroactive polymer constructions that convert electrical energy to mechanical energy and vice versa are disclosed. The subject transducers (actuators, generators, sensors or combinations thereof) share the requirement of a frame or fixture element used in preloading elastomeric film electrodes and dielectric polymer in a desired configuration. The structures are either integrally biased in a push-pull arrangement or preloaded/biased by another element.
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