Gamma radiation resistant carbonate polymer compositions with so

Details Gamma radiation resistant carbonate polymer compositions with so Gamma radiation resistant carbonate polymer compositions with so

1985-12-05

1987-04-14

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524230, 524233, 524306, 524315, 524317, C08K 520, C08K 510

Patent

active

046579494

ABSTRACT:
Carbonate polymer compositions are rendered gamma ray resistant by the incorporation of 5 to 20,000 ppm of one or more sorbate compounds. The compositions of the invention have a reduced yellowing after exposure to cobalt 60 radiation. Examples of useful sorbate compounds are sorbic acid, sorbic acid amides, esters and the like. The addition of hindered phenolic compounds renders the sorbate compounds more effective.

REFERENCES:
patent: 3186961 (1965-06-01), Sears

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