Thermoplastic molding materials

Details Thermoplastic molding materials Thermoplastic molding materials

1981-11-12

1984-02-07

Ziegler, J.

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

Synthetic resins

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

525 80, 525 84, 525 85, C08L 5100, C08L 5502

Patent

active

044304781

ABSTRACT:
A thermoplastic molding material which contains two graft copolymers in a matrix of a copolymer based on styrene and acrylonitrile. The first graft copolymer (B) comprising a hard phase prepared from one or more vinyl-aromatic monomers and an elastomer phase, the elastomer phase particles having a diameter of from 0.5 to 5 .mu.m. The second graft copolymer (C) comprising a hard phase and an elastomer phase, said elastomer phase having a bimodal particle distribution in which the diameter of one category of particles is from 0.05 to 0.18 .mu.m and the second category of particles has a mean diameter of from 0.25 to 0.6 .mu.m.

REFERENCES:
patent: 3509237 (1970-04-01), Aubrey
patent: 3642947 (1972-02-01), Stein et al.
patent: 4214056 (1980-07-01), Lavengood

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