Compositions for the stabilization of synthetic polymers
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United States of America Patent
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Aug 19, 1997
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N/A
app pub date -
Jul 26, 1995
filing date -
Jul 21, 1995
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Abstract
A composition for stabilizing synthetic polymers consisting of a blend of a) at least a derivative of a high molecular weight polymethylpiperidine of formula (I) ##STR1## wherein the groups are as defined hereinafter, and b) at least one other HALS stabilizer wherein the groups are as defined hereinafter is disclosed. These compositions show photostabilizing and antioxidant properties.
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