Polyalkylpiperidine light stabilizers
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United States of America Patent
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Nov 6, 1984
Issued Date -
N/A
app pub date -
Feb 28, 1983
filing date -
Sep 27, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compounds which contain, in their molecule, at least one 2-(2'-hydroxyphenyl)-benztriazole group or one 2-hydroxybenzophenone group and at least one polyalkylpiperidine group are effective light stabilizers for organic materials, in particular for polymers. The use of the compounds as light stabilizers for lacquers is of particular importance.
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