Polymeric light stabilizers having at least one 2,2,6,6-tetraalkyl piperidyl group and synthetic resin compositions containing the same
申请人:ADEKA ARGUS CHEMICAL CO., Ltd.
公开号:EP0065655A1
公开(公告)日:1982-12-01
Polymeric light stabilizers are provided having at least one 2,2,6,6-tetraalkyl piperidyl group in the molecule and a molecular weight within the range from about 1000 to about 20,000, that are polymers of an unsaturated carboxylic acid ester selected from the group consisting of unsaturated cycloaliphatic mono-, di-, and tri-carboxylic acid esters having from seven to about thirty carbon atoms; unsaturated branched-chain aliphatic di- and tri-carboxylic acid esters having from four to about thirty carbon atoms; sorbic acid ester, 3,8-nonadienyl acid ester, oleic acid ester, linolenic acid ester and ricinoleic acid ester; or copolymers of at least one thereof with another copolymerizable unsaturated monomer; and synthetic resin compositions having improved light stability comprising per 100 parts by weight of resin from 0.001 to 10 parts by weight of the polymeric light stabilizer.
聚合物光稳定剂分子中至少有一个 2,2,6,6-四烷基哌啶基团,分子量在约 1000 至约 20,000 范围内,是不饱和羧酸酯的聚合物,该不饱和羧酸酯选自具有 7 至约 30 个碳原子的不饱和环脂族一元、二元和三元羧酸酯;具有 4 至约 30 个碳原子的不饱和支链脂肪族二元和三元羧酸酯;山梨酸酯;3,8-壬二烯酸酯;具有四个至三十个碳原子的不饱和支链脂肪族二羧酸酯和三羧酸酯;山梨酸酯、3,8-壬二烯酸酯、油酸酯、亚麻酸酯和蓖麻油酸酯;或其中至少一种与另一种可共聚的不饱和单体的共聚物;以及具有更好光稳定性的合成树脂组合物,每 100 份树脂(重量)中包含 0.001 至 10 份(重量)的聚合光稳定剂。