Thermoplastic resin composition

Details Thermoplastic resin composition Thermoplastic resin composition

1990-03-13

1992-03-03

Short, Patricia

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 68, C08L 6702, C08L 3320, C08L 5502

Patent

active

050934198

ABSTRACT:
A thermoplastic resin composition comprising (A) 5 to 50 parts by weight of a saturated polyester resin, (B) 10 to 70 parts by weight of a graft polymer obtainable by polymerizing an aromatic vinyl compound and an unsaturated nitrile in the presence of a conjugated diene base rubber, (C) 10 to 70 parts by weight of an .alpha.-alkylstyrene-unsaturated nitrile copolymer comprising 50 to 85% by weight of the .alpha.-alkylstyrene and 50 to 15% by weight of the unsaturated nitrile, provided that the total amount of the components (A), (B) and (C) is 100 parts by weight, wherein the content of the conjugated diene base rubber in the composition is from 5 to 30% by weight, which composition provides a molded article having improved properties such as chemical resistance, impact resistance, flexural modulus, heat resistance and dimensional stability.

REFERENCES:
patent: 3954903 (1976-05-01), Kudo et al.
patent: 4594387 (1986-06-01), Muramatsu
patent: 4861817 (1989-08-01), Erpelding
Hack's Chemical Dictionary p. 533 4th ed. McGraw-Hill Book Co. N.Y. 1969.

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