Abstract: A process to reduce or suppress the formation of surface defects in paint films comprising adding to an aqueous paint composition at let one of homopolymers B of butyl acrylate and copolymers BA of butyl acrylate and copolymerisable monomers A, characterised in that the mass fraction of moieties arising from the comonomers A in the copolymer does not exceed 30%, and aqueous paint compositions comprising at least one of homopolymer B of butyl acrylate and copolymers BA of butyl acrylate and copolymerisable monomers A.

Abstract: Copolymers ABCDE obtainable by polymerising a monomer mixture comprising olefinically unsaturated monomers A having at least one urethane group —O—CO—NH—, basic (meth)acrylic monomers B which comprise at least one tertiary amino group, alkyl(meth)acrylates C, wherein the alkyl residue is linear, branched, or cyclic, and may have from 1 to 20 carbon atoms, olefinically unsaturated compounds D having at least one hydroxyl group in the molecule, preferably hydroxyalkyl(meth)acrylates, olefinically unsaturated compounds E having none of the functional groups of monomers A and C, and no acid groups, which are neutralised to an extent of from 10% to 100% and dispersed in water, and a method of use thereof as paste resins

Abstract: The invention relates to self-crosslinking aqueous polyurethane dispersions containing a crosslinking agent I selected from diamones I1 and dihydrazides I2, and polyurethanes comprising structural elements derived from polyisocyanates A, polyols B having a number average molar mass Mn of at least 400 g/mol, compounds D comprising at least two groups which are reactive compared to isocyanate groups and at least one group able to form anions, low-molecular polyols E that carry no other reactive groups compared to isocyanate groups, compounds F containing at least one group which is reactive compared to isocyanate, and at least one aldehyde-type or ketone-type carbonyl group, and compounds G that are monofunctional compared to isocyanates or contain active hydrogen with different capabilities of reaction and are different from the compounds E. The invention also relates to methods for the production of said dispersions, and coating agents containing the same.

Abstract: Water-dilutable polyurethane dispersions comprising structural units derived from polyisocyanates A, polyols B having a number-average molar mass Mn of at least 400 g/mol, compounds D that contain at least two groups reactive towards isocyanate groups and at least one group capable of anion formation, low molar mass polyols E that do not carry any further groups reactive towards isocyanate groups, compounds G that are monofunctional towards isocyanates or contain active hydrogen of different reactivity and that are different from the compounds E, characterised in that the polyols B contain a mass fraction of polycarbonate polyols B1 of at least 85%, and the use thereof in coating compositions

Abstract: Aqueous stoving enamels containing resins A which have hydroxyl groups and are made hydrophilic by partially neutralized acid groups, and highly etherified aminoplasts B, characterised in that the aqueous solutions or dispersions of the resin have a pH value of 6 or below, a method for the preparation thereof, and a method of use comprising coating thermally sensitive substrates.

Abstract: The invention relates to binding agents for radiation-cured aqueous paints, said agents containing reaction products ABCDE composed of A epoxy compounds with at least two epoxy groups per molecule, B unsaturated fatty acids, C olefinically unsaturated monomers, D compounds containing unsaturated aliphatic hydroxyl groups and E multi-functional isocyanates, whereby the compounds C are always directly bonded to the compounds B, the compounds D are always directly bonded to the compounds E and the compounds A are always directly bonded to the compounds B. The invention also relates to methods for producing said binding agents and to the use thereof.

Abstract: A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, modified if desired by copolymerizing olefinically unsaturated monomers in the presence of the polyester resin, a process for preparing them, and their use in particular in one-component coating compositions in combination with amino resin curatives.

Abstract: The invention relates to a coating agent, comprising reactive thinner (D), radiation-hardening unsaturated polyester urethane resins (ABC) with components derived from a polyester (A), multifunctional isocyanates (B) and olefinic unsaturated monomers (C) with hydroxy groups, methods for production and use thereof for coating substrates.

Abstract: The invention relates to hydroxyl-functional binder components ABC containing a linear or branched main chain having a polymethylene structure —(CH2)n— or a polyester structure or a structure derived from the fatty acid esters of glycerin or other polyvalent alcohols. The invention is characterized in that said components have grafted cyclic imide structures on the main chain, wherein the imide-nitrogen atom is substituted by a hydroxyalkyl group or a hydroxyalkyl-aryl group. The invention also relates to method for the production of said components by reacting oleofinically unsaturated acid anhydrides B and hydroxyamines C and to the utilization of the inventive components for the formulation of binders.

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: Adducts ABC of epoxy resins A and reaction products BC of epoxy resins B with phosphorus-derived acids C, and mixtures of such adducts, containing a mass fraction of not more than 5% of unreacted acid C, the reaction products BC containing at least one acidic phosphoric ester group or phosphonic ester group per molecule, process for preparing them, and their use for preparing physically drying and also one-component and two-component coating materials.

Abstract: The invention relates to aqueous coating compositions with an anti-tarnish effect, containing a water-soluble or dispersed binding agent A and a compound B selected from fatty acid esters, containing hydroxyl groups of multivalent alcohols, and also to the use thereof for tarnish-protected glazings.

Abstract: Fiber-reinforced laminates comprising at least two layers at least one of which comprises a polymer curable by irradiation with high-energy light, processes for producing them, and their use.

Abstract: Aqueous radiation curable binders comprising non-ionically stabilised epoxy resins ABC, characterised in that they comprise building blocks of epoxy resins A modified with polyethylene glycol, of epoxy resins B that are free from polyethylene glycol, and of olefinically unsaturated acids C, and that at least 50% of all reaction products derived from the epoxy resins A and B comprise at least one ester group formed by reaction of a terminal epoxy group with an olefinically unsaturated acid C, a process for their preparation, and use thereof as coating composition

Abstract: Aqueous stoving enamels containing resins A which have hydroxyl groups and are made hydrophilic by partially neutralized acid groups, and highly etherified aminoplasts B, characterised in that the aqueous solutions or dispersions of the resin have a pH value of 6 or below, a method for the preparation thereof, and a method of use comprising coating thermally sensitive substrates

Abstract: An epoxy resin composition comprising an addition polymer BC of vinyl monomers B, which is polymerized in the presence of liquid epoxy resins C, and, if desired, further liquid epoxy resins A, curatives, and, if desired, fillers, process for its preparation, and its use for coating painted and unpainted metals, especially in thick coats

Abstract: A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, modified if desired by copolymerizing olefinically unsaturated monomers in the presence of the polyester resin, a process for preparing them, and their use in particular in one-component coating compositions in combination with amino resin curatives

Abstract: Fiber-reinforced laminates comprising at least two layers at least one of which comprises a polymer curable by irradiation with high-energy light, processes for producing them, and their use.

Abstract: Adducts ABC of epoxy resins A and reaction products BC of epoxy resins B with phosphorus-derived acids C, and mixtures of such adducts, containing a mass fraction of not more than 5% of unreacted acid C, the reaction products BC containing at least one acidic phosphoric ester group or phosphonic ester group per molecule, process for preparing them, and their use for preparing physically drying and also one-component and two-component coating materials