| 摘要 |
A composition for stabilizing synthetic polymers consisting of a) at least a derivative of a high molecular weight polymethylpiperidine of formula (I) <IMG> (I) wherein the groups are as defined hereinafter, and b) at least a compound of formula (IV), (V), (VI), (VII) (IV) <IMG> 22 <IMG> (V) <IMG> (VI) <IMG> (VII) 23 wherein the groups are as defined hereinafter is disclosed. These compositions show photostabilizing and antioxidant properties.
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