Abstract: The present invention relates to water dilutable, urethane group-containing polyester polyols having an acid number of 6 to 45 mg KOH/g, wherein 25 to 100% of the acid groups are neutralized by bases, a hydroxyl number of 20 to 250 mg KOH/g, a molecular weight (M.sub.w) of 2,000 to 150,000 and a urethane content (--NH--CO--O--) of 2 to 16% by weight, wherein the polyester polyol is the at least partly neutralized reaction product ofa) 35 to 90% by weight of branched polyester polyols having a hydroxyl number of 40 to 600 and prepared froma1) 0 to 60% by weight of monocarboxylic acids,a2) 6 to 65% by weight of di- and/or tricarboxylic acids or their anhydrides,a3) 10 to 70% by weight of alcohols,a4) 0 to 35% by weight of monoalcohols,a5) 0 to 30% by weight of hydroxycarboxylic acids, aminocarboxylic acids, lactones, lactams and aminoalcohols anda6) 0 to 45% by weight of polycarbonate polyols,b) 0.5 to 8.5% by weight of hydroxycarboxylic acidsc) 0 to 15% by weight of compounds containing OH, NH and/or NH.sub.

Abstract: The present invention relates to an aqueous binder composition containingA) an aqueous solution or dispersion of a water-dilutable organic polyol component containingA1) at least one water-dilutable polyester resin containing sulfonate and hydroxyl groups and having a molecular weight (M.sub.n) of 500 to 50,000, an OH number of 20 to 240 mg KOH/g, a content of sulfonate groups (--SO.sub.3.sup.-) of 4 to 70 milliequivalents per 100 g of polyester resin and a content of carboxylate groups (--COO.sup.-) of 0 to 40 milliequivalents per 100 g of polyester resin andA2) optionally a reactive thinner containing at least one water-soluble monohydric or polyhydric alcohol which has a molecular weight (M.sub.n) below 500 and which is non-distillable at normal pressure or has a boiling point of at least 150.degree. C., andB) a polyisocyanate component which is emulsified in the aqueous solution or dispersion A), has a viscosity at 23.degree. C. of 50 to 10,000 mPa.

Abstract: The present invention relates to an aqueous binder composition containingA) an aqueous solution or dispersion of a water-dilutable organic polyol component containing at least one polyester resin having carboxylate and hydroxyl groups and grafted with vinyl monomers andB) a polyisocyanate component which is emulsified in the aqueous solution or dispersion A), has a viscosity at 23.degree. C. of 50 to 10,000 mPa.s and contains at least one organic polyisocyanate,wherein the binder composition has an NCO/OH equivalent ratio of 0.5:1 to 5:1, based on the isocyanate groups of component B) and the alcoholic hydroxyl groups of component A).The present invention also relates to a process for the production of a coating or sealing composition containing this aqueous binder composition.

Abstract: A radiographic screen comprising (1) a metal or hydrophobic resin support, (2) a layer comprising a fluorescent phosphor dispersed in an organic polymeric binder and (3) an optionally present outermost organic polymer coating protecting said phosphor layer against abrasion, characterised in that the edges (side surfaces) of said screen are covered with a polymer material being formed essentially from a moisture-hardened polymer composition.

Abstract: The present invention relates to a water-based binder composition containingA) an aqueous solution or dispersion of a water-dilutable organic polyol component containing a mixture of at least 5% by weight each of at least two hydroxy-functional polymers selected fromA1) polyester resins containing hydroxyl, urethane and carboxylate groups,A2) polyester resins containing hydroxyl and carboxylate groups, but no urethane or sulfonate groups,A3) polyester resins containing hydroxyl and sulfonate groups and, optionally, carboxylate groups and/or urethane groups,A4) polyacrylate resins containing hydroxyl, carboxylate and/or sulfonate groups,A5) acrylate-grafted polyester resins containing hydroxyl, carboxylate and/or sulfonate groups, andB) a polyisocyanate component which is emulsified in the aqueous solution or dispersion A), has a viscosity at 23.degree. C. of 50 to 10,000 mPa.

Abstract: The present invention relates to a polyisocyanate mixture which has blocked isocyanate groups and an average NCO-functionality, based on reversibly blocked isocyanate groups, of 2.0 to 2.6, and is the reaction product, converted into the salt form by the at least partial neutralization of the incorporated carboxyl groups, ofi) at least one organic diisocyanate having a molecular weight of 168 to 300 withii) at least one monofunctional blocking agent for isocyanate groups,iii) at least one monobasic or dibasic hydroxycarboxylic acid,iv) 1 to 15 wt. %, based on the weight of component i), of at least one dihydric to hexahydric alcohol having a molecular weight of 62 to 182 andv) 50 to 500 wt. %, based on the weight of component i), of at least one diol having a molecular weight of 350 to 950 and containing ester groups.

Abstract: The present invention relates to aqueous polyesters for high-solids stoving coatings which containa) 35.0 to 65.0% by weight of a polyester resin containing urethane, carboxyl and hydroxyl groups and containing the reaction product of77 to 89% by weight of a branched polyester polyol having a hydroxyl number of 125 to 175, an acid number of less than 4 and a molecular weight of 2,500 to 6,500,2) 2.5 to 4.5% by weight of a 2,2-bis-(hydroxymethyl)alkane carboxylic acid,3) 0 to 3.5% by weight of a diol component having a molecular weight of 62 to 250 and4) 9 to 19% by weight of a diisocyanate component,wherein the percentages of a1), a2), a3) and a4) add up to 100%, based on the weight of a1), a2), a3) and a4),b) 0.1 to 1.5% by weight of a basic neutralizing agent which is sufficient to convert 35 to 100% of the carboxyl groups of component a) to carboxylate groups,c) 0 to 7.5% by weight of an organic auxiliary solvent andd) 26 to 64.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side a dye layer and on the other side a slipping layer, characterized in that said slipping layer comprises the cured product of a moisture-curable binder composition prepared by mixing the following components (A) and (B):(A) 30 to 99 parts by weight of at least one copolymer of olefinically unsaturated compounds having a weight-average molecular weight [Mw] of at least 1500 and containing chemically incorporated moieties capable of undergoing an addition reaction with amino groups, and(B) 1 to 70 parts by weight of organic substances containing blocked amino groups from which substances under the influence of moisture compounds having free primary and/or secondary amino groups are formed,wherein i) the copolymers of component (A) contain intramolecularly bound carboxylic anhydride moieties, with the anhydride equivalent weight of the copolymers being from 196 to 9800 and ii) the binder composition con

Abstract: The present invention relates to binder compositions containingA) 10 to 99 parts by weight of a copolymer component containing at least one copolymer prepared from olefinically unsaturated compositions having a weight average molecular weight of 1,500 to 75,000 and having in chemically bound form both(i) 1 to 30% by weight of cyclic carboxylic anhydride groups (calculated as C.sub.4 H.sub.2 O.sub.3) and(ii) 1 to 29% by weight of epoxide groups (calculated as C.sub.2 H.sub.3 O) andB) 1 to 90 parts by weight of a hydroxyl component containing at least one organic polyol having at least two hydroxyl groups per molecule,provided that for every anhydride group of component A) there are 0.1 to 10 hydroxyl groups of component B).

Abstract: The present invention relates to polymers capable of oxidative crosslinking, characterized in that they contain 10 to 80% by weight of structural units corresponding to formula (I) and/or (Ia) ##STR1## wherein R.sub.1 is an aliphatic saturated hydrocarbon radical containing 2 to 6 carbon atoms, provided that at least 2 carbon atoms are arranged between the nitrogen atom and the oxygen atom, andR.sub.2 at least 30% of the substituents R are monoolefinically or polyolefinically unsaturated hydrocarbon radicals and the remainder, i.e. up to 70% of the substituents R.sub.2, are saturated aliphatic and/or aromatic hydrocarbon radicals which may optionally contain oxygen and/or nitrogen as hetero atoms in the form of ether, ester, keto, urethane, urea and/or amide groups, provided that substituent R.sub.2 contains at least 2.0% by weight, based on the weight of the polymer, of aliphatically unsaturated double bonds, expressed as C.dbd.C (molecular weight=24).

Abstract: The present invention relates to compositions suitable for use as binders and containingA) 10 to 99 parts by weight of at least one copolymer which has a weight average molecular weight of 1500 to 75,000, is prepared from olefinically unsaturated compounds and containsi) 0.1 to 8.0% by weight of free hydroxyl groups andii) 1 to 29% by weight of epoxide groups (calculated as C.sub.2 H.sub.3 O) andB) 1 to 90 parts by weight of at least one organic polyanhydride containing at least two cyclic carboxylic acid anhydride groups per molecule,provided that 0.1 to 10 anhydride groups of component B) are present for each epoxide group of component A).The invention also relates to the use of the binder compositions as binders for thermosetting coating or sealing compositions, or, in the presence of catalysts, as binders for coating or sealing compositions which can be hardened at room temperature.

Abstract: The present invention relates to bis-oxazolidines corresponding to formula (II) ##STR1## wherein R represents a branched, saturated, aliphatic hydrocarbon radical containing 5 to 8 carbon atoms.The present invention also relates to oxazolidine mixtures, which are also suitable as hardeners for plastics precursors containing isocyanate groups, consisting essentially ofa) bis-oxazolidines corresponding to formula (II) above andb) 0.03 to 0.3 moles per mole of component (a), of compounds corresponding to formula (III) ##STR2## wherein R represents a saturated, branched, aliphatic hydrocarbon radical containing 5 to 8 carbon atoms.The present invention additionally relates to a process for the production of these oxazolidine mixtures and to their use in combination with polymer precursors containing isocyanate groups for coating or sealing compositions.

Abstract: Binders for moisture-hardening coating or sealing compositions contain modified copolymers having a weight average molecular weight of from 1,500 to 75,000 determined by gel permeation chromatography of olefinically unsaturated compounds containing chemically incorporated moieties which are addition-reactive to amino wherein the modified copolymers contain both(i) intramolecular carboxylic anhydride moieties and(ii) olefinically unsaturated (meth)acrylate moieties in chemically bound form as the moieties which are addition-reactive to amino, with the anhydride equivalent weight being in the range from 392 to 9,800 and the (meth)acrylate equivalent weight in the range from 284 to 7,100.

Abstract: The present invention relates to aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units corresponding to the formula ##STR1## The present invention also relates to a process for the production of these aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units by reacting anhydride-functional and optionally carboxyl-functional copolymers corresponding to the hydroxy-functional copolymers with aminoalcohols and optionally aminocarboxylic acids. In a further embodiment of the process the hydroxy-functional copolymers may be reacted with lactones resulting in ring opening and the formation of ester groups.

Abstract: The present invention relates to copolymers prepared from olefinically unsaturated compounds, having a molecular weight (M.sub.n) of 600 to 20,000 and containing 0.1 to 6.0% by weight of secondary amino groups, --NH--, in the form of structural units corresponding to formula I ##STR1## wherein R.sub.1 is a saturated aliphatic hydrocarbon radical containing 2 to 6 carbon atoms, provided that at least two carbon atoms are arranged between the two nitrogen atoms, andR.sub.2 is a methyl, ethyl or 2-hydroxyethyl group.The present invention also relates to a process for the production of these copolymers.

Abstract: The present invention relates to a water-dispersible binder composition which is suitable for the production of a stoving filler to be processed from the aqueous phase and which containsa) 65 to 95% by weight of a urethane-modified polyester resin containing carboxyl groups,b) 5 to 35% by weight of a crosslinker resin andc) 0 to 2% by weight of an emulsifier,wherein the percentages are based on the total weight of components a) to c), characterized in that component a) has an acid value of 15 to 36, a hydroxyl value of at least 40 and a molecular weight (M.sub.

Abstract: A moisture-curing binder composition useful in paints and other coating compositions is prepared by mixing or mixing with spontaneous reaction in the absence of moistureA) 30 to 99 parts by weight of at least one compound containing at least two intramolecular carboxylic anhydride groups andB) 1 to 70 parts by weight of organic compounds having blocked amino groups, wherein B)comprises organic compounds containing hydrogen atoms which are reactive to acid anhydride groups and containing bicyclic amide acetal or bicyclic amide groups or both, wherein the ratios of the amounts of the individual components are chosen such that, by taking into account the addition reaction which occurs spontaneously between components A) and B) in the absence of moisture, in the resulting mixture 0.25 to 50 anhydride groups are present per bicyclic amide acetal and bicyclic amide aminal group.

Abstract: The present invention relates to hydroxy functional polyacrylate copolymers having a molecular weight (M.sub.n) of about 2000 to 30,000 and containinga) about 1 to 70% by weight of structural units corresponding to the formula ##STR1## The present invention also relates to a process for the preparation of these hydroxy functional copolymers by reacting the corresponding anhydride functional copolymers with amino alcohols. Finally, the present invention also relates to the use of these hydroxy functional copolymers as binder components in combination with polyisocyanates for the production of polyurethane lacquers, coatings, sealants, adhesives or printing inks.

Abstract: The present invention relates to copolymers having a weight average molecular weight (M.sub.w) of 1500 to 75,000, prepared from olefinically unsaturated compounds and containing 0.1 to 4.5% by weight of primary amino groups in the form of structural units corresponding to formula I ##STR1## wherein Q is a saturated aliphatic-cycloaliphatic hydrocarbon radical of the type obtained by removing the amino groups from an aliphatic-cycloaliphatic diprimary diamine containing an amino group attached to a primary carbon atom and an amino group attached to a secondary or tertiary carbon atom.The present invention also relates to a process for the production of these copolymers.

Abstract: The present invention relates to moisture-hardening binder compositions containingA) 30 to 99 parts by weight of a component based on at least one copolymer prepared from olefinically unsaturated compounds having a weight average molecular weight of about 1,500 to 75,000 and containing chemically incorporated groups which are reactive with amino groups in an addition reaction andB) 1 to 70 parts by weight of a polyamine component based on at least one organic polyamine containing blocked amino groups.characterized in that the copolymers of component A) contain both intramolecular carboxylic anhydride groups and also carbonate groups in chemically bound form, the anhydride equivalent weight of the copolymers being 327 to 9,800 and the carbonate equivalent weight of the copolymers being 465 to 18,600, component A) containing a total of 0.2 to 8 anhydride and carbonate groups for each blocked amino group present in component B).