申请人:Ciba-Geigy Corporation
公开号:US04888444A1
公开(公告)日:1989-12-19
Substituted hydroxylamine ester stabilizers corresponding to the formula ##STR1## wherein n is 0-2, X is a direct bond, --S-- or --CH.sub.2 S--, R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, aralkyl, R.sub.3 and R.sub.4 are independently alkyl, cycloalkyl or aralkyl, and R.sub.5 is hydrogen or the group ##STR2## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.
对应于以下式子的取代羟胺酯稳定剂:##STR1## 其中n为0-2,X为直接键,--S--或--CH.sub.2 S--,R.sub.1和R.sub.2独立地为氢,烷基,环烷基,芳基烷基,R.sub.3和R.sub.4独立地为烷基,环烷基或芳基烷基,R.sub.5为氢或##STR2##,对于有机材料抗氧化,热和光降解具有有效的稳定作用。