No drop films or plates consisting of acrylic polymers and...

Details No drop films or plates consisting of acrylic polymers and... No drop films or plates consisting of acrylic polymers and...

C - Chemistry, Metallurgy

08

J

C08J 7/18 (2006.01) B05D 3/06 (2006.01) C08J 7/04 (2006.01) C09D 4/00 (2006.01) C09K 3/18 (2006.01)

Patent

CA 2096997

ABSTRACT NO DROP FILMS OR PLATES CONSISTING OF ACRYLIC POLYMERS AND PROCESS FOR THEIR PREPARATION. The invention concerns films or plates of acrylic polymers, in particular polymethylmethacrylate, rendered no drop by coating with a monomeric composition, polymerized and reti- culated by ultraviolet light, consisting of: a) from 50 to 70% by weight of acrylates or methacrylates of C1-C12 alkyls, C1-C12 cycloalkyl, polycycloalkyl or al- kylidene having from 7 to 14 C atoms; b) from 10 to 30% of acrylate or methacrylate of C2-C6 hy- droxyalkyl; c) from 10 to 30% by weight of acrylic or methacrylic acid or their salts; d) from 1 to 10% by weight of a reticulation agent consi- sting of a polyfunctional acrylic monomer; e) from 0.01 to 3% by weight of hydrophilic colloidal me- tal oxides; f) from 0 to 0,06% by weight of a U.V. polymerization ini- tiator, being 100 the sum of the a)+b)+c+d)+e)+f) amounts.

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