Disclosed is a lubricant base stock, exhibiting a combination of high flash point, low evaporation loss, high viscosity and unexpectedly exceptionally low pour point and high viscosity index value. Said lubricant base stock comprises at least one ester between 2-propylheptanoic acid and at least one 2,2-substiruted 1,3-propanediol and/or at least one dimer, trimer or polymer thereof and/or at least one alkoxylated species of a said 2,2-substituted 1,3-propanediol or a said dimer, trimer or polymer thereof.
C10M 105/42 - Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
The present invention relates to a process for producing potassium formate. Formaldehyde, potassium hydroxide and isobutyraldehyde are reacted in water, at a molar ratio of 1.0:1.0:1.0 to 3.0:2.0:1.0 and at a temperature of 0-1000 C, preferably 30-700 C. The obtained reaction solution is neutralised to pH 4-6 and evaporated in a first step, whereby two phases are obtained, one organic phase and one aqueous phase, the latter comprising the main part of the potassium formate. The organic phase is subsequently separated from the aqueous phase, where after a final evaporation of the aqueous phase takes place at a pressure of 0.0-1.0 bar and a temperature of 160-2500 C, to obtain a melt of potassium formate. Water is added followed by filtration resulting in a solution having a content of >99% by weight of potassium formate, calculated on a water free basis.
This invention relates to a process for producing 1,2 -propanediol by hydrogenolysis of glycerol in the presence of a supported metal catalyst and hydrogen. Glycerol having a water content of less than 3 % by weight and hydrogen are introduced into a reactor and reacted in the presence of a copper-based catalyst at a pressure of 20-150 bar and a temperature of 150-4000°C. Water formed in the reaction is removed from the reactor to keep the water content in the obtained reaction solution at less than 5 % by weight.
C07C 29/60 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by elimination of hydroxy groups, e.g. by dehydration
C07C 29/132 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
Disclosed is a diesel fuel composition comprising at least one diesel fuel and at least one cetane number improving compound or at least one cetane number improving composition comprising at least one cetane number improving compound, said cetane number improving compound being at least one 2-alkylheptylnitrate, particularly 2-propylheptylnitrate. Disclosed are, furthermore, a cetane number improving additive comprising said 2-alkylheptylnitrate and the use thereof.
A liquid radiation and thermally curing composition characterized in, that said composition comprises at least one ester between at least one tri or polyalcohol and acrylic and/or methacrylic acid, which ester has at least two hydroxyl groups, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefinic double bond, and an additive package comprising at least one photoinitiator, radical scavenger, light stabilizer, wetting agent and/or leveling agent, and optionally at least one monomeric or oligomeric reactive diluent.
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
C08G 18/04 - Polymeric products of isocyanates or isothiocyanates with vinyl compounds
C08G 69/00 - Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
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
6.
Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process
The invention relates to a process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process. Formaldehyde is reacted with acetaldehyde in an aqueous solution in the presence of a strongly basic hydroxide in a conventional way. The obtained reaction mixture is evaporated to a dryness of 50-70% by weight and is thereafter cooled. Crystals of pentaerythritol thereby formed are separated off. The crystals are dissolved in water or in a water-containing mother liquor containing pentaerythritol to a dryness of 35-55% by weight. The solution is treated in a purification step whereupon monopentaerythritol of high purity is crystallized at a temperature of 40-90° C. and separated from the remaining mother liquor which is recirculated to the above mentioned step.
C07C 31/24 - Tetrahydroxylic alcohols, e.g. pentaerythritol
C07C 29/38 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones
7.
METHOD FOR EXTRACTION IN A PROCESS FOR PRODUCTION OF A DI, TRI OR POLYHYDRIC ALCOHOL
Disclosed is a method for extraction in a process for production of a 2-alkyl-l,3-propanediol, 2,2-dialkyl- 1,3 -propanediol, 2-alkyl-2-hydroxyalkyl-l,3-propanediol or 2,2-dihydroxialkyl- -1,3-propanediol. Said method comprises the steps of (i) feeding a mother liquid, obtained in a process for synthesis of a said di, tri or polyhydric alcohol, at a controlled mass flow to a first extraction unit, (ii) extracting said mother liquid in said first extraction unit in at least one high boiling solvent effective in extracting organic by-products, (iii) obtaining a raffmate and an extract comprising said solvent and organic by-products, (iv) recycling said raffmate to said process, (v) feeding at a controlled mass flow obtained extract to a second extraction unit, (vi) extracting said extract in water, (vii) obtaining a water phase comprising said organic by-products and a solvent phase, and (viii) recycling said solvent phase.
Disclosed is a process for hydroformylation of α-olefin wherein said α-olefin is reached with carbon monoxide or carbon monoxide and hydrogen and/or a reducing agent in presence of a catalyst complex based on a rhodium precursor and a ligand mixture comprising at least 1% by weight of trphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl-phenyl)diphenylphospine.
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
9.
AN ISOCYANATE TERMINATED POLYMER AND USE OF THE SAME IN A RADIATION CURABLE POLYURETHANE DISPERSION
The present invention refers to an isocyanate terminated polymer obtainable by subjecting 10- 90% by weight of at least one diol optionally in combination with at least one polyol, said diol and said optional polyol, having a molecular weight of at most 5000 g/mol, 1-40% by weight of at least one hydrophilic compound, 20-60% by weight of at least one isocyanate and 0.1- 30% by weight of at least one polyol monoacrylate, monomethacrylate and/or monocrotonate to co-polymerisation optionally in the presence of a catalyst, a solvent and/or a polymerisation inhibitor. In a further aspect, a UV curing polyurethane dispersion comprising said polymer is disclosed.
The present invention relates to a process for producing potassium formate. Formaldehyde, potassium hydroxide and isobutyraldehyde are reacted in water, at a molar ratio of 1.0:1.0:1.0 to 3.0:2.0:1.0 and at a temperature of 0-1000C, preferably 30-700C. The obtained reaction solution is neutralised to pH 4-6 and evaporated in a first step, whereby two phases are obtained, one organic phase and one aqueous phase, the latter comprising the main part of the potassium formate. The organic phase is subsequently separated from the aqueous phase, where after a final evaporation of the aqueous phase takes place at a pressure of 0.0-1.0 bar and a temperature of 160-2500C, to obtain a melt of potassium formate. Water is added followed by filtration resulting in a solution having a content of ᡶ99% by weight of potassium formate, calculated on a water free basis.
The present invention refers to a process for producing a polycarbonate diol, triol or polyol with increased molecular weight. The process comprises transesterification between a diol, triol or polyol and a carbon dioxide source in the presence of a transesterification catalyst, evaporation of formed alcohol by for instance distillation, polymerisation and further polymerisation by addition of an oligocarbonate diol, triol or polyol, whereby a polycarbonate diol, triol or polyol with an average molecular weight of at least 1000 g/mol is obtained, hi a further aspect, the use of a polycarbonate diol, triol or polyol obtained by the process as a building block in thermoplastic polyesters and polyurethanes is disclosed.
The present invention relates to a waterborne binder composition comprising a water dispersible polymer binder and a coalescing agent, which comprises triesters selected from the group consisting of tripropionin (triester of glycerol and propionic acid), tributyrin (triester of glycerol and butyric acid), tri-isobutyrin (triester of glycerol and isobutyric acid) or trivalerin (triester of glycerol and valeric acid) or combinations of two or more of these. The binder in the composition of the present invention is a homo- or copolymer comprising monomer units of acrylate, methacrylate, vinyl acetate and/or units of urethane or urethane/urea. In addition to the water dispersible polymer binder and the coalescing agent the composition may contain pigments, fillers and additives. The invention also covers the use of the binder composition in waterborne paint, adhesive or sealant.
Disclosed is a novel continuous method for production of a diol, triol or polyol, said method comprising that formaldehyde and a second aldehyde is subjected to reaction or reactions in one or more plate reactors.
C07C 29/14 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
C07C 29/38 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals used in the industry including mono, di, tri, tetra and polyhydric alcohols as well as derivatives thereof and mono, di, tri, tetra and polyhydric polyetheralcohols and polyesteralcohols as well as derivatives thereof; adhesives for industrial purposes; unprocessed artificial resins; unprocessed plastics; esters and polyesters; ethers and polyethers; dispersants.
A process for the manufacturing of formaldehyde wherein the formaldehyde is manufactured in a reactor and wherein exothermic energy is a result of the process. The reactor is pressurised through means of a compressor and that the exothermic energy from the process is used for feeding energy to the compressor, hereby, allowing increase in pressure in the reactor with a minimum of required power input from external source. The invention also relates to a apparatus for manufacturing formaldehyde wherein the formaldehyde is manufactured in a reactor and wherein exothermic energy is a result of the process. The reactor is pressurised through means of a compressor and that the exothermic energy from the process is used for feeding energy to the compressor, hereby allowing increase in pressure in the reactor with a minimum of required power input from external source.
Dislosed is a process for production of a bis-phthalonitrile monomer having an oligophenyl ether spacer chain, said bis-phthalonitrile of Formula (I) wherein n is 2. The process comprises (i) subjecting a 3-alkoxyphenol to reaction with a m-dihalobenzene in the presence of a base and a catalyst composition comprising a copper salt and a ligand whereby a 1,3-bis (3-alkoxyphenoxy) benzene is yielded, (ii) subjecting yielded 1 ,3-bis (3-alkoxyphenoxy) benzene to reaction with a dealkylating agent yielding 1 ,3-bis(3- hydroxyphenoxy)benzene, and (iii) subjecting yielded 1,3-bis (3-hydroxyphenoxy) benzene to reaction with a 4-nitrophthalonitrile in presence of a base yielding 1,3-bis ⏧3-(3,4-dicyano- phenoxy)phenoxy]benzene.
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
C08G 65/48 - Polymers modified by chemical after-treatment
18.
PROCESS FOR PRODUCING MONOPENTAERYTHRITOL OF HIGH PURITY AND MONOPENTAERYTHRITOL PRODUCED BY THE PROCESS
The invention relates to a process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process. Formaldehyde is reacted with acetaldehyde in an aqueous solution in the presence of a strongly basic hydroxide in a conventional way. The obtained reaction mixture is evaporated to a dryness of 50-70 % by weight and is thereafter cooled. Crystals of pentaerythritol thereby formed are separated off. The crystals are dissolved in water or in a water-containing mother liquor containing pentaerythritol to a dryness of 35-55 % by weight. The solution is treated in a purification step whereupon monopentaerythritol of high purity is crystallized at a temperature of 40-90 °C and separated from the remaining mother liquor which is recirculated to the above mentioned step.
C07C 31/24 - Tetrahydroxylic alcohols, e.g. pentaerythritol
C07C 29/38 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones
01 - Chemical and biological materials for industrial, scientific and agricultural use
31 - Agricultural products; live animals
Goods & Services
Ensiling agents; organic and/or inorganic acids and derivates thereof, such as salts for treatment of foodstuffs for animals. Foodstuffs for animals and additives for foodstuffs for animals.
01 - Chemical and biological materials for industrial, scientific and agricultural use
31 - Agricultural products; live animals
Goods & Services
Ensiling agent; organic and/or inorganic acids and derivates thereof, such as salts for treatment of foodstuffs for animals. Foodstuffs for animals and additives for foodstuffs for animals.
01 - Chemical and biological materials for industrial, scientific and agricultural use
31 - Agricultural products; live animals
Goods & Services
Ensiling agents; organic and/or inorganic acids and derivates thereof, such as salts for treatment of foodstuffs for animals. Foodstuffs for animals and additives for foodstuffs for animals.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals used in the industry and science including polyester alcohols and polyester alcohols as well as derivates thereof; dihydroxycarboxylic acids, dimers and trimers thereof as well as derivates thereof; unprocessed artificial resins, unprocessed plastics; branched aliphatic polyester polyols; branching polyols used at the production of alkyd binders for use in decorative and industrial paints; polyester polyols used at the production of UV-curing acrylate oligomers for printing ink; oligomer pre-cursors for low viscosity acrylate; polyols used at the production of rosin esters for printing ink; crosslinkers for two component polyurethane sealants, adhesives, lacquers and foams.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Chemicals used in the industry, science and photography; hyperbranched polymers; unsaturated and saturated esters and polyesters; synthetic resins including amino-formaldehyde resin, phenolic resins, epoxy resins and furfurylic resins; vinyl ethers, vinyl esters, acrylates and methacrylates; foundry binding substances; unprocessed plastics, including thermosetting rnoulding powders; additives and curing agents for neat and reinforced epoxy resins, unsaturated polyester resins, vinyl esters and phenolic resins. Paints, enamels, putties, varnishes and lacquers including radiation curing coatings, powder coatings, polyester coatings, polyurethane coatings, intumescent coatings and printing inks.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
[ Chemicals used in industry, science and photography; ] monoalcohols, dialcohols, trialcohols and polyalcohols as well as derivates thereof, namely, ethers and esters for use in industry; [ unprocessed artificial resins for use in industry; ] unprocessed plastics; [ adhesives for industrial use; ] polymer compositions used in the manufacture of commercial and industrial goods; polyurethane used in foams, fibres, castings and resins Synthetic rubber and synthetic elastomers for use in further manufacture; semi processed plastic substances for use in further manufacture
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Mono-, di-, tri- and polyalcohols as well as derivates thereof including ethers and esters; macrodiols; unprocessed artificial resins; unprocessed plastics; adhesives for industrial use; polymers; polyurethane used in foams, fibres, castings and resins. Synthetic rubber and elastomers; semi-processed plastic substances.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals used in the industry; polyhydric alcohols; micronized polyhydric alcohols; derivates of polyhydric alcohols; esters and ethers of polyhydric alcohols; fire retarding compositions and intumescent compositions.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals used in the industry and science including polyether alcohols and polyester alcohols as well as derivatives thereof; adhesives for industrial use; unsaturated and saturated esters and polyesters; stabilisers and co-stabilisers for vinyl polymers and copolymers; polyurethanes used in elastomers, foams and resin injection mouldings; acrylated and methacrylated monomers and diluents; fluids for hydraulic circuits; fluids for refrigeration systems; unprocessed plastics including thermosetting moulding powders, thermoplastics and graft polymers; additives for neat and reinforced epoxy resins; additives for thermoplastic blends and composites.
01 - Chemical and biological materials for industrial, scientific and agricultural use
31 - Agricultural products; live animals
Goods & Services
Organic and/or inorganic acids and derivates thereof, such as salts for treatment of foodstuffs for animals. Foodstuffs for animals and additives for foodstuffs for animals.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Chemicals used in the industry, science and photography including polyhydricpolyetheralcohols and polyesteralcohols as well as derivatives therof; adhesives for industrial purposes; hyperbranched polymers; unsaturated and saturated esters and polyesters; ethers and polyethers; stabilisers and co-stabilisers for vinyl polymers and co-polymers; synthetic resins including amino-formaldehyde resin, phenolic resins, epoxy resins and furfurylic resins; polyamines, polyamides, polyimides, bismaleimides, vinyl ethers, vinyl esters, acrylates and methacrylates; acrylated and methacrylated monomers and diluents; vinylether functional monomers and diluents; fluids for hydraulic circuits; fluids for refrigeration systems; foundry binding substances; unprocessed plastics, including thermosetting moulding powders, thermoplastics and graft polymers; additives for neat and reinforced epoxy resins; unsaturated polyester resins, vinylesters, phenolic resins, cyanate esters, polyimides and bismaleimides; additives for thermoplastic blends and composites; polyurethanes used in elastomers, foams and resin injection mouldings. Paints, enamels, putties, varnishes and lacquers including radiation curing coatings, powder coatings, polyester coatings, polyrethane coatings, intumescent coatings and printing inks.
Disclosed is a novel liquid radiation and thermally curing (dual cure) composition comprising (a) at least one partially acrylated tri or polyalcohol and acrylic, having has at least two hydroxyl group's, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, (b) at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefmic double bond, (c) an additive package comprising at least one photoinitiator, radical scavenger, light stabiliser, wetting agent and/or levelling agent, and optionally (d) at least one monomeric or oligomeric reactive diluent.
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
