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, monocarboxyl
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 atoms; Preparation 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 general; Their 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
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
16.
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
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
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
Disclosed is a novel polyurethane elastomer obtained by reacting at the least a di, tri or polyisocyanate, a polycarbonate diol of a 2-alkyl-l,3-propanediol, a 2,2-dialkyl-l,3- -propanediol, an alkoxylated 2-alkyl-l,3-propanediol and/or an alkoxylated 2,2-dialkyl- -1,3-propanediol and/or at least one polycarbonate diol comprising units from two or more said 1,3-propanediols, and a di, tri or polyalcohol.
Disclosed is a process for allylation of mixed polyhydric compounds comprising at least two different polyhydric compounds each having at least 3 hydroxyl groups. The process comprises that that at least one polyhydric compound (II) having a melting point of less than 120°C is used as solution medium and/or as a carrier for at least one polyhydric compound (I) having a melting point of at least 15O0C and that said polyhydric compound (I) and said polyhydric compound (II) in a molar ratio of between 1 :3 and 3: 1 are subjected to allylation at a temperature of 100-16O0C, by reaction with at least one allylic and/or methallylic compound.
A hybrid cationic and free radical radiation curable coating or ink composition is disclosed. Said composition comprises at least one cycloaliphatic epoxide compound or epoxy resin and/or at least one oxetane resin or compound, at least one free radical polymerisable compound having an acrylate, methacrylate and/or &bgr;-methyl acrylate functionality of at least 1 and a hydroxyl functionality of at least 1, at least one cationic photoinitiator and at least one free radical photoinitiator.
Disclosed is a novel air drying polymer, such as an alkyd, built up from alternating air drying units and spacer units and having a general structure of R1 - R3 - (R2 - R3);; - R1 wherein each R1 and R2 independently is an air drying ester or polyester unit, each R3 independently is an ester, polyester, ether, polyether, urethane or polyurethane spacer unit which by ester and/or urethane bonding links said air drying units, n is an integer and at least 1 and wherein each R1 and R2 independently may be the same or different units.
C08G 65/332 - Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides or esters thereof
C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerisable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.
Disclosed is a resin composition curable by ultraviolet light, which resin composition comprises 25-95% by weight of at least one cyclo aliphatic epoxy or epoxide resin or compound, vinyl ether, and/or oxetane or a mixture thereof, 1-40% by weight of at least one polycarbonate diol, triol and/or polyol and 0.1-10% by weight of at least one cationic photoinitiator and optionally 1-70% by weight of at least one radically polymeriserable monomer or oligomer and/or a mixture thereof and/or 0.1-10% by weight of at least one free radical photoinitiator.
Disclosed is a process for hydroformylation of &agr;-olefin wherein said &agr;-olefm is reacted 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 triphenylphosphine and at least 5% by weight of diphenylcyclohexylphosphine, tris-(o-tolyl)phosphine, tris-(p-tolyl)phosphine or (2-methyl- phenyl)diphenylphosphine.
C07C 45/50 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
An intumescent coating composition comprising a film forming binder matrix, an acid source, a carbon source comprising at least 25% by weight of at least one formal of pentaerythritol or dipentaerythritol, a spumific agent, and optionally water and/or an organic solvent, a plasticizer, a halogenated compound, a pigment and/or a filler and/or other components per se known in the art is disclosed.
Disclosed is a novel deicing composition having improved corrosion inhibition and being obtained by mixing 89-99.98% by weight of an alkali metal formate, 0.01-6% by weight of an alkali metal silicate and 0.01-5% by weight of a C4-C19 alkyl carboxylic acid, said weight percentages being calculated on dry substances.
C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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
