Molded polymer treatment

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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Details

264232, 26433111, 264340, 524609, 525537, C08K 340

Patent

active

043776604

ABSTRACT:
The physical and chemical properties of arylene sulfide polymer articles are improved by contacting with a strong oxidizing agent followed by a step-wise heat treatment at temperatures below the melting point of the polymer.

REFERENCES:
patent: 3562199 (1971-02-01), Hill et al.
patent: 3717620 (1973-02-01), Rohlfing
patent: 3948865 (1976-04-01), Brady et al.
patent: 4251575 (1981-02-01), Brady et al.

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