Stabilizer composition for polymers of vinyl chloride and polymeric compositions containing such compositions
申请人:EUROPEAN VINYLS CORPORATION (ITALIA) S.p.A.
公开号:EP0437886A2
公开(公告)日:1991-07-24
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。