1,3-BIS[(2,2,6,6-Tetraalkyl-4-piperidylidene)amino]guanidines as light
申请人:American Cyanamid Company
公开号:US04046736A1
公开(公告)日:1977-09-06
Compounds of the formula: ##STR1## wherein X is --H, --OH, --O. alkyl of 1 to 8 carbon atoms, or acyl of 2 to 10 carbon atoms, and R is alkyl of 1 to 8 carbon atoms are useful for stabilizing polyolefins against degradation by ultraviolet light.
式子为:##STR1## 其中 X 可为 --H、--OH、1至8个碳原子的烷基或2至10个碳原子的酰基,R 可为1至8个碳原子的烷基。这些化合物对于稳定聚烯烃抵抗紫外线降解很有用。