Tough flexible polymer blends

Details Tough flexible polymer blends Tough flexible polymer blends

C - Chemistry, Metallurgy

08

L

400/3067, 400/45

C08L 51/00 (2006.01) C08F 293/00 (2006.01) C08L 53/00 (2006.01) C09D 151/00 (2006.01) C09D 153/00 (2006.01)

Patent

CA 1323715

TITLE Tough Flexible Polymer Blende ABSTRACT OF THE DISCLOSURE A blend of a softer continuous phase polymer reinforced with harder acrylic star polymer particles having reactive functional groups with crosslinking ability built in or provided by a third polymer. The harder polymer has a Tg at least 10° above that of the softer polymer, and the acrylic star polymer is preferably made by group transfer polymerization. This blend provides coating compositions, films and bulk polymer with enhanced toughness and flexibility.

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