Abstract: The present invention relates to an aqueous dispersion obtained by a process comprising the steps of (a) preparing an acidic copolymer (A) by radical copolymerization of monomers comprising: (a1) at least one unsaturated fatty acid, (a2) at least one ethylenically unsaturated monomer containing at least one acid group or group capable of forming an acid group, (a3) at least one other ethylenically unsaturated monomer different from (a1) and (a2), (b) neutralizing totally or partially the acid groups of copolymer (A) and dissolving it in water, (c) copolymerizing in the solution obtained at step (b) a monomer mixture different from the monomer mixture of step (a) to form a copolymer (B) as well as blends based on such dispersions, especially in combination with oxidatively drying alkyds.

Abstract: The present invention relates to an aqueous dispersion obtained by a process comprising the steps of (a) preparing an acidic copolymer (A) by radical copolymerization of monomers comprising: (a1) at least one unsaturated fatty acid, (a2) at least one ethylenically unsaturated monomer containing at least one acid group or group capable of forming an acid group, (a3) at least one other ethylenically unsaturated monomer different from (a1) and (a2), (b) neutralizing totally or partially the acid groups of copolymer (A) and dissolving it in water, (c) copolymerizing in the solution obtained at step (b) a monomer mixture different from the monomer mixture of step (a) to form a copolymer (B) as well as blends based on such dispersions, especially in combination with oxidatively drying alkyds.

Abstract: The invention relates to an aqueous dispersion of a modified alkyd resin comprising water, an emulsifier S a copolymer P having moieties derived from one or more of esters M1 of an olefinically unsaturated carboxylic acid M11 having at least one olefinic unsaturation and at least one acid group per molecule, with a linear, branched or cyclic aliphatic hydroxy-functional compound M12 having at least one hydroxyl group per molecule, esters M2 of an olefinically unsaturated hydroxy functional compound M22 having at least one olefinic unsaturation and at least one hydroxyl group per molecule, with linear, branched or cyclic aliphatic carboxylic acid M21 having no olefinic unsaturation and at least one acid group per molecule, an olefinically unsaturated carboxylic acid M11 having at least one olefinic unsaturation and at least one acid group per molecule, an olefinically unsaturated hydroxy functional compound M22 having at least one olefinic unsaturation and at least one hydroxyl group per molecule, an olefinica

Abstract: The invention relates to an aqueous dispersion of a modified alkyd resin comprising water, an emulsifier S a copolymer P having moieties derived from one or more of esters M1 of an olefinically unsaturated carboxylic acid M11 having at least one olefinic unsaturation and at least one acid group per molecule, with a linear, branched or cyclic aliphatic hydroxy-functional compound M12 having at least one hydroxyl group per molecule, esters M2 of an olefmically unsaturated hydroxy functional compound M22 having at least one olefinic unsaturation and at least one hydroxyl group per molecule, with linear, branched or cyclic aliphatic carboxylic acid M21 having no olefmic unsaturation and at least one acid group per molecule, an olefmically unsaturated carboxylic acid M11 having at least one olefinic unsaturation and at least one acid group per molecule, an olefmically unsaturated hydroxy functional compound M22 having at least one olefmic unsaturation and at least one hydroxyl group per molecule, an olefinically u

Abstract: The invention relates to a polyurethane P comprising a moiety derived from a polyfunctional isocyanate F, and a hydroxyfunctional compound ABCE made from a grafted fatty acid AB which in turn is made from a fatty acid A having at least one olefinic unsaturation, and grafted with a mixture B of olefinically unsaturated monomers which mixture comprises at least one acid-functional olefinically unsaturated monomer B1, wherein the grafted fatty acid AB has on average at least 1.1 acid groups per molecule, at least one polyhydric alcohol C having at least two hydroxyl groups, and at least one fatty acid E, to a process of making this polyurethane, and to a method of use thereof in the form of an aqueous dispersion to formulate coating compositions.

Abstract: The invention relates to a polyurethane P comprising a moiety derived from a polyfunctional isocyanate F, and a hydroxyfunctional compound ABCE made from a grafted fatty acid AB which in turn is made from a fatty acid A having at least one olefinic unsaturation, and grafted with a mixture B of olefinically unsaturated monomers which mixture comprises at least one acid-functional olefinically unsaturated monomer B1, wherein the grafted fatty acid AB has on average at least 1.1 acid groups per molecule, at least one polyhydric alcohol C having at least two hydroxyl groups, and at least one fatty acid E, to a process of making this polyurethane, and to a method of use thereof in the form of an aqueous dispersion to formulate coating compositions.

Abstract: Disclosed are alkyd resin emulsions for coating varnishes, containing a water-insoluble alkyd resin A and a water-soluble alkyd resin B that is used as an emulsifying resin and represents an esterification product of an alkyd resin Ba which can be homogeneously mixed with the alkyd resin A at a weight ratio (Ba to A) ranging between 2:98 and 50:50, alkyd resin A being the resin that is to be emulsified, and an adduct Bb of a C1-C4 alkoxy polyethylene glycol Bba and a cycloaliphatic dicarboxylic acid anhydride Bbb at a mole ration (Bba to Bbb) ranging between 09.95:1.05 mol/mol and 1.05:0.95 mol/mol. Also disclosed is a method for the production thereof, the use thereof for coating substrates selected among textiles, mineral materials, metals, and wood.

Abstract: Disclosed are alkyd resin emulsions for coating varnishes, containing a water-insoluble alkyd resin A and a water-soluble alkyd resin B that is used as an emulsifying resin and represents an esterification product of an alkyd resin Ba which can be homogeneously mixed with the alkyd resin A at a weight ratio (Ba to A) ranging between 2:98 and 50:50, alkyd resin A being the resin that is to be emulsified, and an adduct Bb of a C1-C4 alkoxy polyethylene glycol Bba and a cycloaliphatic dicarboxylic acid anhydride Bbb at a mole ration (Bba to Bbb) ranging between 09.95:1.05 mol/mol and 1.05:0.95 mol/mol. Also disclosed is a method for the production thereof, the use thereof for coating substrates selected among textiles, mineral materials, metals, and wood.

Abstract: The invention relates to water-dilutable alkyd resins ABC containing unsaturated fatty acids C, which are bonded by means of ester groups to graft copolymers AB containing hydroxyl groups, wherein said graft copolymers AB are obtained by grafting a mixture of vinyl monomers B onto alkyd resins A. The invention also relates to a method for the production of said resins and to the utilization thereof as binders for paints.

Abstract: Water-dilutable oils ABC comprising building blocks derived from oils A having on average at least one olefinic double bond per molecule, cyclic olefinically unsaturated anhydrides B, and organic acids C which contain at least one acid group and at least one further group which reacts with a cyclic acid anhydride with ring opening and addition, a process for their preparation, and their use as an addition to aqueous resins and dispersions

Abstract: Water-dilutable binders which are self-crosslinking at room temperature, comprising reaction products ABF with epoxy-amine adducts A and formaldehyde resin formers B selected from phenols B1, (substituted) ureas B2, melamine B3, guanamines B4, and mixtures of said resin formers, with formaldehyde F or compounds which give off formaldehyde under the reaction conditions, may be formulated, following at least partial neutralization, to give aqueous coating materials which give coatings affording outstanding corrosion protection.

Abstract: A water-soluble or water-dispersible polyester B useful as emulsifier for aqueous emulsions of alkyd resins A, wherein the polyester B is obtainable by reacting, under polycondensation conditions, polyhydroxyl components Ba from the class of the sugar alcohols having more than 4 carbon atoms and at least five hydroxyl groups per molecule, alkoxypolyethylene glycols Bb having 1 to 4 carbon atoms in the alkyl radical and a number-average molar mass Mn of from 500 to 2000 g/mol, cycloaliphatic dicarboxylic acids Bc and unsaturated or saturated fatty acids Bd having 10 to 22 carbon atoms, a process for its preparation, and alkyd resin emulsions prepared therewith.

Abstract: Water-dilutable binders which are self-crosslinking at room temperature, comprising reaction products ABF with epoxy-amine adducts A and formaldehyde resin formers B selected from phenols B1, (substituted) ureas B2, melamine B3, guanamines B4, and mixtures of said resin formers, with formaldehyde F or compounds which give off formaldehyde under the reaction conditions, may be formulated, following at least partial neutralization, to give aqueous coating materials which give coatings affording outstanding corrosion protection.

Abstract: The invention concerns a process for preparing water-dilutable, air-drying coating binders based on acryl and vinyl modified alkyd resin emulsions. The latter contain polyoxyalkylene groups introduced via specific (meth)acrylate monomers and are highly suitable as binders for high gloss coating varnishes even without the use of cosolvents.