Abstract: The invention relates to the use of a polysiloxane having a plurality of siloxane groups and at least one cyclic carboxylic anhydride group or the hydrolysis product thereof covalently linked to the polysiloxane, as a dispersing agent for solid particles in a non-aqueous composition.

Abstract: Epoxy resin composition comprising a) the reaction product formed from a1) one or more epoxy compounds having at least two epoxy groups, and a2) 0.2 to 0.9 mol of acrylic acid or methacrylic acid or mixtures thereof per mole of epoxy groups, as component A; b) a solvent comprising vinyl groups as component B.

Abstract: Epoxy resin composition comprising a) the reaction product formed from a1) one or more epoxy compounds having at least two epoxy groups, and a2) 0.2 to 0.9 mol of acrylic acid or methacrylic acid or mixtures thereof per mole of epoxy groups, as component A; b) a solvent comprising vinyl groups as component B.

Abstract: Fatty (meth)acrylates having a %-EpO content of below 0.6, which are reaction products of epoxidized compounds selected from the group consisting of epoxidized fatty acid esters, epoxidized triglycerides and mixtures thereof, and acids selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof, wherein the %-EpO content of the epoxidized compound is above 6.4, wherein the epoxidized compound is an epoxidation product of fatty acid moieties having one or more carbon-carbon double bonds, wherein less than 20 mole % of the fatty acid moieties contain three or more carbon-carbon double bonds, and wherein greater than 60 mole % of the fatty acid moieties contain two carbon-carbon double bonds are useful as pigment dispersants. Pigment dispersant concentrates, aqueous pigment dispersions and methods of dispersing pigments with the fatty (meth)acrylates are described.

Abstract: Self-dispersing, hardenable epoxy resins produced by reacting one or more ?,?-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, and reacting the thus formed intermediate with one or more polyepoxide compounds, are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: Self-dispersing, hardenable epoxy resins produced by reacting one or more ?,?-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, and reacting the thus formed intermediate with one or more polyepoxide compounds, are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (a*) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is a polyol ester having two or more C?C double bonds per molecule; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.

Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (at) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is a diallyl phthalate; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.

Abstract: The invention relates to the use of fatty (meth)acrylates for dispersing pigments. The fatty (meth)acrylates are obtained by reacting epoxidized fatty acid esters and/or epoxidized triglycerides with acrylic acid and/or methacrylic acid. The reaction is adjusted such that the %-EpO content of the fatty (meth)acrylates is below 0.6 and the following conditions are met for the epoxidized fatty acid esters and/or epoxidized triglycerides on which the fatty (meth)acrylates are based: a) the %-EpO content of the epoxidized fatty acid esters and/or epoxidized triglycerides used is above 6.4; b) less than 20 mole-% of the fatty acid components on which the epoxidized fatty acid esters and/or epoxidized triglycerides are based contain three or more C═C double bonds per fatty acid component; c) more than 60 mole-% of the fatty acid components on which the epoxidized fatty acid esters and/or epoxidized triglycerides are based contain two C═C double bonds per fatty acid component.

Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (a*) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is a diallyl phthalate; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.

Abstract: Coating compositions comprising: (a) an epoxy resin in an amount of from 5 to 50% by weight, the epoxy resin comprising a reaction product of epichlorohydrin and a component selected from the group consisting of bisphenol A and bisphenol F; (b) a water-dilutable epoxy resin hardener in an amount of from 5 to 55% by weight; (c) fibers in an amount of from 0.1 to 10% by weight; and (d) a filler in an amount of from 5 to 70% by weight; are described, along with their use as levelling, insulating and other functional coatings.

Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (a*) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is selected from the group consisting of acrolein, acrylamide, vinyl acetate and styrene; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.

Abstract: Radically post-crosslinked polymers are made by a process comprising the steps of: (1) forming a polyurethane (a*) by reacting a compound (a) with an aliphatic and/or an aromatic isocyanate and a compound (c) wherein compound (a) is the product of the reaction of an epoxidized fatty acid ester and/or an epoxidized triglyceride with acrylic acid and/or methacrylic acid and wherein compound (c) is a polyol ester having two or more C═C double bonds per molecule; (2) forming a crosslinked polyurethane by reacting the polyurethane (a*) with a radical initiator (b). The polymers are useful as components in composites comprised of natural and/or synthetic fibers.

Abstract: The invention relates to a method for production of radically post-cured polymers. In a first stage, at least one, or several compounds (a), which are the reaction products of epoxidised fatty acid esters and/or epoxidised triglycerides with acrylic acid and/or methacrylic acid, are converted into the corresponding polyurethane (a*) and said polyurethane (a*) is subsequently radically post-cured, in a second stage, in the presence of at least one radical initiator (b), with the additional proviso that, in the second stage, a combination of compounds (a*) with one or several compounds (c) are used, where the compounds (c) are chosen from the group of the reactive anhydrides. The polymers thus obtained are excellent matrix agents for composite materials.

Abstract: A self-dispersible curable epoxy resin composition containing a reaction product of: (a) 1.0 equivalent of epoxy resin; (b) 0.01 to 1.0 equivalent of polyhydric phenol; and (c) 0.005 to 0.5 equivalent of an amine/epoxy adduct formed by reacting: (i) an aromatic polyepoxide; and (ii) a polyoxyalkylenamine, in an equivalent ratio of from about 1:0.10 to 1:0.28.

Abstract: Self-dispersing, hardenable epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyhydroxy compounds, and reacting the thus formed intermediate with one or more polyepoxide compounds, are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more hydroxy compounds, reacting the thus formed intermediate with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyhydroxy compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.

Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.