| 摘要 |
This invention relates to copolymerizable ultraviolet light absorber compounds having the formula: <IMAGE> where R is alkylene, C1-C10, hydroxyalkylene, C1-C10, alkylene-oxyalkylene, C1-C10 or phenylene, C1-C10, unsubstituted or substituted with hydroxy; R' and R'' are independently hydrogen or akyl; C1-C6; and R''' is hydrogen or akyl, C1-C6.
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