초록 ▼

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 moisture A) 30 to 99 parts by weight of at least one compound containing at least two intramolecular carboxylic anhydride groups and B) 1 t

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 moisture A) 30 to 99 parts by weight of at least one compound containing at least two intramolecular carboxylic anhydride groups and B) 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.

대표청구항 ▼

Moisture-curing binder composition comprising a moisture-free mixture of A) and B) or reaction product obtained in the absence of moisture of A) and B) wherein: A) is 30 to 99 parts by weight of copolymers of a) 4.5 to 19 parts by weight of maleic anhydride; b) 45 to 85 parts by weight of at least o

Moisture-curing binder composition comprising a moisture-free mixture of A) and B) or reaction product obtained in the absence of moisture of A) and B) wherein: A) is 30 to 99 parts by weight of copolymers of a) 4.5 to 19 parts by weight of maleic anhydride; b) 45 to 85 parts by weight of at least one monomer of the formulae [Figure] or both; and c) 5 to 65 parts by weight of at least one monomer of the formula [Figure] wherein R1 and R4 are the same or different and each represents an aliphatic or cycloaliphatic hydrocarbon radical having 1 to 18 carbon atoms with or without an interrupting oxygen, sulphur or nitrogen hetero atom, R2 represents hydrogen, methyl, ethyl, chloro or fluoro and R3 represents an aliphatic hydrocarbon radical having 2 to 15 carbon atoms, a cycloaliphatic hydrocarbon radical having 5 to 10 carbon atoms, an araliphatic hydrocarbon radical having 7 to 18 carbon atoms, an aromatic hydrocarbon radical having 6 to 12 carbon atoms, chloro, fluoro, nitrile or a hydrocarbon radical having 2 to 18 carbon atoms and containing one or more hetero atoms comprising oxygen, sulphur and nitrogen in the form of ether, ester, amide, urethane, urea, thioester, thioether, oxirane, ketone, lactam or or lactone groups said copolymers having a molecular weight of 1500 to 75,000, determined by gel permeation chromatography and B) is 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 contain bicyclic amide aminal groups, but do not contain bicyclic amide acetal groups wherein the ratios of the amounts of the individual components are chosen such that, by taking into account 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 aminal group.