C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
402/306, 400/570
C09D 135/00 (2006.01) C08F 8/32 (2006.01) C08K 5/35 (2006.01) C08L 35/00 (2006.01)
Patent
CA 1307370
A PROCESS FOR THE PRODUCTION OF MOISTURE-HARDENING BINDER COMPOSITION AND THEIR USE ABSTRACT OF THE DISCLOSURE A moisture-hardening binder composition for lacquer of coating compositions is prepared by mixing A) 50 to 97 parts by weight of copolymers of maleic anhydride with olefinically unsaturated monomers, said copolymers containing succinic anhydride units and having molecular weights Mw of 1,500 to 75,000 with B) 3 to 50 parts by weight oxszolanes having a molecular weight Mw of 87 to 10,000, the quantitative ratios of A) to B) being such that the composition contains 0.25 to 10 anhydride groups for every oxazolane group, wherein component A) consists essentially of copolymers of a) 4.5 to 45 parts by weight of maleic anhydride, b) 5 to 80 parts by weight of monomers of the formulae Image OR Image or both, and La A 25 379-Foreign Countries c) 15 to 92 parts by weight of monomers of the formula Image wherein, R1 and R4 is each, independent of the other, an aliphatic or cycloaliphatic C1-C12 hydrocarbon radical with or without oxygen, sulfur or nitrogen as a heteratom, R2 is hydrogen, methyl, ethyl, chlorine or fluorine, R3 is a C2-C15 aliphatic hydrocarbon radical, a C5-C10 cycloaliphatic hydrocarbon radical, a C7-C18 araliphatic hydrocarbon radical, a C6-C12 sromatic hydrocarbon radical, chlorine, fluorine, nitrile or a C2-C18 hydrocarbon radical containing one or more heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen in the form of ether, ester, amide, urethane, urea, thioester, oxirane, ketone, lactam or lactone groups. Le A 25 379
573953
Blum Harald
Pedain Josef
Sonntag Michael
Wamprecht Christian
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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