Lactone-added hindered amine compound

摘要

The present invention provides a hindered amine compound that is suitable as a resin light stabilizer. Specifically, it provides a hindered amine compound represented by the following formula (1). In the formula, R¹, R², R³ and R⁴ are each a hydrogen atom, a C₁ to C₁₀ substituted or unsubstituted alkyl group, etc.; X¹ to X⁴ are each a C₁ to C₁₀ substituted or unsubstituted alkyl group, etc.; Y is a hydrogen atom, an oxygen atom, a C₁ to C₁₀ substituted or unsubstituted alkyl group, etc.; n is an integer from 1 to 7; and m is an integer from 1 to 100.