Heat resistant copolymer composition

C - Chemistry – Metallurgy – 08 – L

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400/4010, 400/65

C08L 79/08 (2006.01) C08L 25/12 (2006.01) C08L 25/16 (2006.01) C08L 35/06 (2006.01) C08L 25/02 (2006.01)

Patent

CA 1318424

- 1 - Abstract: The present invention is directed to a heat resistant copolymer composition prepared by blending two kinds of copolymers one of which is obtainable by polymerizing a maleimide monomer (A), an aromatic vinyl monomer (B), an unsaturated nitrile monomer (C) and optionally at least one other comonomer copolymerizable therewith (D) in a specific monomer ratio in the presence or absence of an elastomeric polymer and which has an intrinsic viscosity of 0.3 to 1.2 dl/g, and another of which is obtainable by copolymerizing the aromatic vinyl monomer (B), the unsaturated nitrile (C) and optionally at least one other comonomer copolymerizable therewith (D) in a specific monomer ratio in the presence or absence of the elastomeric polymer and which has an intrinsic viscosity of 0.3 to 1.5 dl/g.

551503

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