化工塑料—受阻胺光稳定剂在PVC中的作用与应用
光稳定剂按作用机理可分为光屏蔽剂、紫外线吸收剂抢庄牛牛、猝灭剂和受阻胺光稳定剂4类。国内光屏蔽剂、紫外线吸收剂、猝灭剂3类光稳定剂在20世纪60年代前后即得到工业化应用，而受阻胺光稳定剂虽然在20世纪70年代中期才开始工业化生产，但其产品品种和产量的增加速度则大大高于其他3类光稳定剂，是塑料光稳定剂家族的后起之秀。
1 GUANGWENDINGJIDEZUOYONGYUFENLEI
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3．1 HALSYONGYUPVCMO
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4 JIELUN
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