Pyrrolidine-ring-containing compositions for use as anti-UV stabilizers in plastics materials
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United States of America Patent
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Apr 20, 1982
Grant Date -
N/A
app pub date -
Dec 5, 1980
filing date -
Feb 19, 1980
priority date (Note) -
Expired
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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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