申请人:Sankyo Company, Limited
公开号:US05486556A1
公开(公告)日:1996-01-23
A polymer composition comprising a polymer stabilized against the effects of light and heat by the incorporation of a polymer stabilizer, wherein the polymer stabilizer comprises at least one compound selected from the group consisting of compounds of formula (I): ##STR1## wherein R.sup.1 is hydrogen, alkyl, alkoxyalkyl, carboxylic acyl or phenylalkyl, or an optionally substituted tetramethylpiperidyl group; R.sup.2 is hydrogen, alkyl, carboxylic acyl or phenylalkyl group; R.sup.3 is alkylene optionally interrupted by at least one oxygen atom; X is oxygen or --NR.sup.5 --, wherein R.sup.5 is hydrogen or alkyl; Y is --OCO--, --COO--, --CONH-- or --OCONH--; n is 2 to 4; and, when n is 2, Z is alkylene optionally interrupted by at least one oxygen, or sulfur or aryl, cycloalkyl or heterocyclic group, or, when n is 3, Z is alkanetriyl in which a carbon is optionally replaced by nitrogen or, when n is 4, Z is alkanetetrayl optionally interrupted by at least one oxygen atom, and acid addition salts of such compounds.
一种聚合物组合物,其中聚合物通过加入聚合物稳定剂稳定光和热的影响,聚合物稳定剂包括以下至少一种化合物:式(I)的化合物,其中R1为氢、烷基、烷氧基烷基、羧酰基或苯基烷基,或者是一个可选择取代的四甲基哌啶基;R2为氢、烷基、羧酰基或苯基烷基;R3为烷基,可选择由至少一个氧原子中断的烷基;X为氧或--NR5--,其中R5为氢或烷基;Y为--OCO--、--COO--、--CONH--或--OCONH--;n为2至4;当n为2时,Z为烷基,可选择由至少一个氧原子或硫原子中断,或苯基、环烷基或杂环基,或当n为3时,Z为烷基三基,其中一个碳原子可选择被氮原子代替,或当n为4时,Z为烷基四基,可选择由至少一个氧原子中断,以及这些化合物的酸加成盐。