Pyrrolidine-ring-containing compositions for use as anti-UV stab

Details Pyrrolidine-ring-containing compositions for use as anti-UV stab Pyrrolidine-ring-containing compositions for use as anti-UV stab

1980-12-05

1982-04-20

Fan, Jane T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

26032643, C08K 500, C07D20708

Patent

active

043258646

ABSTRACT:
For stabilizing polyolefin polymers such as polyethylene and polypropylene against the detrimental effects of exposure to UV-radiations and weathering agents, a stabilizing additive is disclosed which consist of a fatty acid ester of the N-(beta-hydroxyethyl)-2,2,3,4,5,5-hexamethylpyrrolidine. The lauric and palmitic acid esters are preferred.

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