Heat stabilized polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524158, C08K 541

Patent

active

043979750

ABSTRACT:
The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of a sulfur acid.

REFERENCES:
patent: 3794616 (1974-02-01), Dennis et al.
patent: 4223096 (1980-09-01), Lee et al.
patent: 4305869 (1981-12-01), Lee et al.
Research Disclosure "Thermoplastic Polyblends", #20814, Aug. 17, 1981.

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