The Michael addition products of N-hydroxy hindered amines with alpha,beta-unsaturated carbonyl compounds including derivatives of esters, amides, imides and anhydrides are effective stabilizers for protecting organic polymers from the deleterious effects of actinic light.
N- 羟基受阻胺与α、β- 不饱和羰基化合物(包括酯、酰胺、
酰亚胺和酸酐的衍
生物)的迈克尔加成产物是保护有机聚合物免受光辐射有害影响的有效稳定剂。