Disclosed is a stabilizer composition for polymers of vinyl chloride, which comprises a zinc salt, at least one salt of an alkali metal or alkali-earth metal and a plurality of organic co-stabilizers selected from at least four of the following: organic phosphites, high-steric-hindrance phenolic derivatives, beta-diketones, heterocyclic compounds containing nitrogen, polyvinyl alcohols, polyols and U. V. absorbers.
公开了一种用于
氯乙烯聚合物的稳定剂组合物,它包括
锌盐、至少一种碱
金属或碱土
金属盐和多种有机辅助稳定剂,这些辅助稳定剂选自以下至少四种:有机
亚磷酸盐、高阻滞
酚类衍
生物、
β-二酮、含氮
杂环化合物、聚
乙烯醇、多元醇和
紫外线吸收剂。