Process for preparing graft styrene copolymers

Details Process for preparing graft styrene copolymers Process for preparing graft styrene copolymers

1983-02-09

1984-09-04

Lieberman, Allan

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

Synthetic resins

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

525 97, 525 98, 525 99, C08L 5104, C08L 5106, C08L 5300, C08L 5302

Patent

active

044698470

ABSTRACT:
A process for preparing graft styrene copolymers is effected by a two-stage polymerization of styrene in the presence of an EPDM elastomer and styrene block copolymer. The resultant graft styrene copolymer has a fine microstructure, good impact resistance and good resistance to aging.

REFERENCES:
patent: 3265765 (1966-08-01), Holden
patent: 3536784 (1970-10-01), Skendrovich
patent: 3639521 (1972-02-01), Hsieh
patent: 4051197 (1977-09-01), Fodor
patent: 4277575 (1981-07-01), Haaf et al.

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