Impact-resistant polymers and rubber concentrates therefor

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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C08F27904

Patent

active

042437652

ABSTRACT:
Rubber concentrates for use in reinforcing acrylonitrile and styrene-containing polymers are prepared by graft polymerizing an acrylonitrile-styrene polymer on a rubber latex wherein a portion of the polymer is chemically combined with the rubber and a portion of the acrylonitrile-styrene polymer is not chemically combined. The uncombined or matrix polymer is of relatively low molecular weight.

REFERENCES:
patent: 3703491 (1972-11-01), Takayama
patent: 3751526 (1973-08-01), Okasaka
patent: 3855355 (1974-12-01), Moore
patent: 3963807 (1976-06-01), Howe
patent: 4009226 (1977-02-01), Ott
patent: 4009227 (1977-02-01), Ott

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