Moisture-hardening binder compositions containing copolymers...

Details Moisture-hardening binder compositions containing copolymers... Moisture-hardening binder compositions containing copolymers...

C - Chemistry, Metallurgy

08

L

402/297

C08L 33/06 (2006.01) C08L 25/00 (2006.01) C08L 35/00 (2006.01) C08L 79/02 (2006.01) C09D 133/06 (2006.01)

Patent

CA 2014928

The present invention relates to moisture-hardening binder compositions containing A) 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 and B) 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).

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