Heat resistant copolymer composition

Details Heat resistant copolymer composition Heat resistant copolymer composition

1987-11-06

1989-10-31

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 66, 525 67, 525 71, 525 73, 525146, 525166, 525179, 525205, C08L 5104, C08L 6702, C08L 6904, C08L 7908

Patent

active

048778338

ABSTRACT:
A heat resistant copolymer composition is provided 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.

REFERENCES:
patent: 4559386 (1985-12-01), Wu
patent: 4567233 (1986-01-01), Tomono et al.
patent: 4608414 (1986-08-01), Kutsunai et al.
patent: 4663390 (1987-05-01), Dean
patent: 4699947 (1987-10-01), Kokubo
patent: 4701493 (1987-10-01), Dean

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