申请人:Ciba-Geigy S.p.A.
公开号:US04618634A1
公开(公告)日:1986-10-21
Novel compounds containing piperidine groups, of the general formula ##STR1## in which R.sub.1 is hydrogen, O--, cyanomethyl, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.12 -alkenyl or -alkynyl, C.sub.7 -C.sub.12 -aralkyl or C.sub.1 -C.sub.12 -acyl, m is an integer from 1 to 12, n is an integer from 1 to 3 and A is an amine radical, are suitable as light stabilizers, heat stabilizers and oxidation stabilizers for synthetic polymers. Processes for their preparation are also described.
含有哌啶基团的新化合物,一般式为##STR1##其中R.sub.1为氢、O-、氰甲基、C.sub.1-C.sub.12-烷基、C.sub.3-C.sub.12-烯基或-炔基、C.sub.7-C.sub.12-芳基烷基或C.sub.1-C.sub.12-酰基,m为1到12的整数,n为1到3的整数,A为胺基团,适用于合成聚合物的光稳定剂、热稳定剂和氧化稳定剂。同时还描述了它们的制备方法。