Gamma radiation resistant carbonate polymer compositions

Details Gamma radiation resistant carbonate polymer compositions Gamma radiation resistant carbonate polymer compositions

1985-11-25

1986-11-25

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524292, 524611, 560 85, C08K 512, C08L 6900

Patent

active

046249729

ABSTRACT:
Carbonate polymer compositions are rendered gamma ray resistant by the incorporation of 0.1 to 10 percent by weight of the esters of aromatic polycarboxylic acids such as terephthalic, isophthalic, phthalic, trimellitic, hemimellitic, trimesic, and prehnitic acids with the monoalkyl or monoaryl ethers of polyglycols. The compositions have reduced yellowing after exposure to cobalt 60 radiation.

REFERENCES:
patent: 3186961 (1965-06-01), Sears
patent: 4123436 (1978-10-01), Holub

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