α-Hydroxy-β-2,2,6,6-tetramethyl piperidyl ethylene oxiranes are provided, capable of improving the resistance to deterioration when exposed to light and heat of polyvinyl chloride resins, and having the general formula:
as well as polyvinyl chloride resin compositions containing , such stabilizers.
本发明提供了α-羟基-β-
2,2,6,6-四甲基哌啶乙烯环氧乙烷,能够提高聚
氯乙烯树脂在光和热条件下的抗变质能力,其通式如下:
以及含有这种稳定剂的聚
氯乙烯树脂组合物。