Curable polyurethane polymer

Details Curable polyurethane polymer Curable polyurethane polymer

C - Chemistry, Metallurgy

08

G

C08G 18/67 (2006.01) C08G 18/72 (2006.01) C09D 175/14 (2006.01) C09D 175/16 (2006.01)

Patent

CA 2313373

The present invention provides a curable polyurethane polymer containing in copolymerized form A) from 10 to 60% by weight of at least one hydroxyl-containing prepolymer having at least one .alpha.,.beta.-ethylenically unsaturated double bond, B) from 0.1 to 30% by weight of at least one compound having at least one isocyanate-reactive hydroxyl group and/or primary or secondary amino group and, in addition, at least one polar functional group per molecule, C) from 0.1 to 30% by weight of at least one compound selected from diamines, polyamines and mixtures thereof, D) from 0 to 10% by weight of at least one further compound other than A), B), C) and E) having at least two isocyanate-reactive groups, which are hydroxyl groups and mixtures of hydroxyl groups with primary and/or secondary amino groups, E) from 0 to 20% by weight of at least one compound having an isocyanate-reactive group, F) from 10 to 65% by weight of at least one compound having at least two isocyanate groups, and the salts thereof, wherein the ratio of isocyanate group equivalents of component F) to equivalents of isocyanate-reactive groups of components A) to E) is in a range from 0.4:1 to 0.9:1, polymer dispersions comprising at least one such polymer, and the use thereof.

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