Thermoplastic modifier compositions which imparts improved appea

Details Thermoplastic modifier compositions which imparts improved appea Thermoplastic modifier compositions which imparts improved appea

1989-02-28

1991-05-14

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 64, 525 66, 525 67, 525 68, 525 74, C08G 8102

Patent

active

050156900

ABSTRACT:
A modifier composition which provides retention of surface smoothness and internal appearance while imparting improved low-temperature impact properties to molded thermoplastics and the thermoplastic molding compositions containing said modifier, the modifier comprising a crystalline thermoplastic resin and a modifier formed by combining a grafted EPM or EPDM rubber and a reactive polystyrene.

REFERENCES:
patent: 4172859 (1979-10-01), Epstein
patent: 4315084 (1982-02-01), Cooper
patent: 4590241 (1986-05-01), Hohlfeld
patent: 4612347 (1986-09-01), Eichenauer
patent: 4886856 (1989-12-01), Chen

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