Abstract: The invention relates to coating compositions comprising: A) at least one low molecular weight reactive compound with a molecular weight (Mn) of 300–1,500 g/mol, preferably of 300–1,200 g/mol, with at least one secondary and/or tertiary amino group and at least two hydroxyl groups per molecule, which compound is obtained by reacting A1) at least one hydroxyalkyl ester of an olefinically unsaturated carboxylic acid with 2–12 C atoms in the hydroxyalkyl residue with A2) at least one lactone and with A3) at least one hydroxy-functional alkyl-, cycloalkyl- and/or alkoxyamine with at least one primary and/or secondary amino group per molecule and with 2–10 C atoms per molecule, B) at least one cross-linking agent with functional groups reactive towards active hydrogen and optionally, C) at least one binder with functional groups containing active hydrogen.

Abstract: The invention relates to coating compositions comprising:

Abstract: This invention relates to copolymers which contain hydroxyl groups and which are based on vinyl esters of monocarboxylic acids, wherein the copolymers which contain hydroxyl groups have an OH number of 110-170 mg KOH/g, an acid number of 5-35 mg KOH/g and a number average molecular weight M.sub.n of 1500-8000 g/mole and are obtainable by the polymerisation of A) 5-20% by weight of one or more vinyl esters of saturated monocarboxylic acids, B) 10-30% by weight of one or more aromatic vinyl hydrocarbons, C) 41-55% by weight of hydroxy-functional, polymerisable, unsaturated monomers, and D) 0-40% by weight of further polymerisable, unsaturated monomers, wherein component C) contains C1) 40-70% by weight of one or more hydroxyalkyl esters of .alpha.,.beta.-unsaturated monocarboxylic acids, C2) 1-10% by weight of one or more lactones, and C3) 30-55% by weight of one or more reaction products of an .alpha.,.beta.-unsaturated monocarboxylic acid with a glycidyl ester of a saturated .alpha.,.alpha.

Abstract: This invention relates to coating media based on one or more styrene-free, unsaturated polyester resins, which containA) one or more unsaturated polyesters obtainable by the reaction ofa) 0.5 to 1.0 mole of at least one alpha,beta-ethylenically unsaturated dicarboxylic acid or the anhydride thereof,b) 0 to 0.5 mole of at least one aromatic, aliphatic and/or cycloaliphatic saturated dicarboxylic acid or the anhydride thereof,c) 0.4 to 0.8 mole of at least one aliphatic saturated dihydric alcohol,d) 0.5 to 1.2 mole of at least one hydroxy-functional allyl ether,B) one or more polyglycol diacrylates of general formula ##STR1## where n=2-5 and m=2-5, particularly dipropylene glycol diacrylate, C) one or more initiators, andoptionally one or more organic solvents, one or more pigments and/or extenders, as well as accelerators, catalysts and/or customary lacquer additives.

Abstract: This invention relates to two-component, solvent-thinnable coating media based on a polyisocyanate component and a component which reacts with isocyanate. The coating media contain one or more hydroxy-functional copolymers, one or more secondary polyamines containing ester groups, one or more aliphatic and/or cycloaliphatic polyisocyanates containing allophanate groups, extenders and/or pigments and optionally one or more organic solvents and customary lacquer additives. 60 to 75% by weight of aluminium hydroxide and calcium magnesium carbonate are contained in total, with respect to the total amount of extenders and/or pigments.

Abstract: Coating agents are described, that are suitable for the production of pigmented or transparent top coatings, based on hydroxy-functional (meth)acrylic copolymers, aliphatic and/or cycloaliphatic polyisocyanates, solvents, and customary lacquer additives and pigments. They are free from epoxy resins and nitrocellulose and contain as binderA) one or more (meth)acrylic copolymers, containing hydroxyl groups, froma1) 47-53 wt % of one or more aromatic vinyl compounds,a2) 28-33 wt % of one or more hydroxyalkyl methacrylates,a3) 14-19 wt % of one or more alkyl (meth)acrylates, anda4) 0.5-2 wt % acrylic acid and/or methacrylic acid,with a hydroxyl number of 120-160 mg KOH/g, an acid number of 5 to 15 mg KOH/g, a weight-average molecular weight of 10,000 to 20,000 and a glass transition temperature of +40.degree. C. to +60.degree. C., andB) an aliphatic and/or cycloaliphatic polyisocyanate or a mixture of such polyisocyanates in such an amount that 0.5 to 2.

Abstract: The description relates to coating agents for use as primers and fillers in the manufacture of multilayer lacquer coatings, more particularly in the motor-vehicle sector.The coating agent contains a binder mixture ofA) 60-75 wt. % of a hydroxy-functional copolymer with an OH number of 110 to 170 mg KOH/g, obtainable froma) 5-60 wt. %, preferably 10-30 wt. % of at least one diester of an alpha, beta-olefinically unsaturated dicarboxylic acid with saturated monohydric alcohols containing 1-8 carbon atoms,b) 10-70 wt. %, preferably 35-60 wt. % of one or more vinyl aromatic hydrocarbons,c) 0-30 wt. %, preferably 0-15 wt. % of one or more glycidyl esters of aliphatic saturated monocarboxylic acids branched in the alpha position,d) 25-50 wt. % of at least one hydroxy alkyl ester or a mixture of at least one alkyl ester and one hydroxyl alkyl ester of an alpha, beta-olefinically unsaturated monocarboxylic acid, ande) 0-10 wt. % of one or more alpha, beta-unsaturated monocarboxylic acids,B) 1-6 wt.

Abstract: A coating medium suitable for multilayer coatings, containingA) copolymers containing hydroxyl groups, comprisinga1) 8-12% by weight of vinyl esters of alpha, alpha,dialkyl-substituted, branched, aliphatic saturated monocarboxylic acids,a2) 32-42% by weight of hydroxyalkyl esters of (meth)acrylic acid,a2) 25-40% by weight of alkyl esters of (meth)acrylic acid,a4) 12-24% by weight of cycloalkyl esters of (meth)acrylic acid, anda5) 2-4% by weight of (meth)acrylic acidwith a hydroxyl number of 100-160 mg KOH/g, an acid number of 10-50 mg KOH/g, a number average molecular weight (Mn) of 1000 to 3000 g/mole and a glass transition temperature (Tg) of 30.degree.-80.degree. C.,B) polyisocyanates in a quantitative proportion such that 0.5 to 2 isocyanate groups are allotted to one hydroxyl group of component A), andC) solvents and optionally one or more pigments, extenders and/or customary lacquer additives.

Abstract: A binder composition for coating agents containsA.sub.1) C--H-acid compounds obtainable by polymerization of hydroxyfunctional and non-hydroxyfunctional monomers, polyols and .beta.-keto carboxylic acid esters and subsequent esterification of the hydroxy groups with the .beta.-keto carboxylic acid esters,A.sub.2) C--H-acid compounds obtainable by transesterification of polyols with .beta.-keto carboxylic acid esters,.alpha.,.beta.-unsaturated compounds with at least two groups having the formulaR.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO--bonded to at least one additional group R.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO-- via the radical of a polyalcohol, polyamine or amino alcohol,C) polyglycidyl compound,D) polyamine hardeners,E) Lewis or Bronstedt bases andF) polysiloxane compounds.

Abstract: Previous two-component coatings with enamine components cured very slowly at low temperatures and led to yellowed products. A binder composition is prepared which cures rapidly at low temperatures and leads to non-yellowing products. It contains as CH-acid component a polymer with at least two enamine functions in the molecule, obtained byA) transesterification of a .beta.-keto-ester with hydroxyl-group-containing compounds or polymers which contain at least two hydroxyl groups in the molecule, with an OH value of at least 50 and a number-average molecular weight of 500 to 10,000, followed by reaction with ammonia or primary and/or secondary amines, andB) as .alpha.,.beta.-unsaturated component a compound with at least two groups of the general formula R.sub.1 R.sub.2 C.dbd.CR.sub.3 --X; in which X signifies --CO-- which is bonded via the residue of a di- or polyhydric alcohol, a di- or polyamine or an aminoalcohol to a further R.sub.1 R.sub.2 C.dbd.CR.sub.3 --X group, where R.sub.1, R.sub.2 and R.sub.

Abstract: A binder composition suitable for coating agents is described, that contains one or more unsaturated polyesters with an acid number of 5-60 mg KOH/g, a hydroxyl number of 50-200 mg KOH/g and a weight-average molecular weight (Mw) of 500-3000 g/mol, that are obtainable by reaction ofA) one or more alpha,beta-ethylenically unsaturated dicarboxylic acids or their anhydrides,B) one or more hydroxy-functional allyl ethers andC) one or more ethylenically unsaturated compounds with an oxirane group in the molecule,in the molar ratio of A):B):C)=(2 to 4):(2 to 4):(0.5 to 1.8). The composition is suitable in particular for filling putties and filling compounds that dry rapidly, even at low temperatures.