Blends based on styrene copolymers having improved impact...

Details Blends based on styrene copolymers having improved impact... Blends based on styrene copolymers having improved impact...

C - Chemistry, Metallurgy

08

L

400/4401

C08L 69/00 (2006.01) C08L 51/06 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2033208

ABSTRACT OF THE DISCLOSURE: A blend based on a styrene copolymer and having improved impact strength at low temperatures, the blend comprising an impact-resistant styrene copolymer, an aromatic polyester and an aromatic polycarbonate, characterized in that the amount of aromatic polycarbonate is less than 7% by weight. The blend preferably comprises: (a) from 55 to 90% by weight of an impact resistant styrene copolymer derived from 2 to 35% by weight of an ethylenically unsaturated nitrile, from 15 to 50% by weight of an olefinic elastomer and from 73 to 15% by weight of a styrene monomer; (b) less than 7% by weight of the total blend, of an aromatic polycarbonate, and (c) at least 3% by weight of an aromatic polyester.

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