Sterically hindered amines

摘要

A compound of the formula (A) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, and X is C2-C8alkylene or C2-C8alkylene interrupted by sulfur, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.;

主权项

1. A compound of formula (A) wherein X is C2-C8 alkylene interrupted by sulfur and the radicals R1 are independently of one another methyl, ethyl, or n-propyl; or wherein X is C8 alkylene and radicals R1 are each n-propyl.