申请人:ICI AMERICAS INC.
公开号:EP0291238A2
公开(公告)日:1988-11-17
Monomeric and oligomeric derivatives of the dialkyl esters of polyalkyl 1,5-dioxa-9-azaspiro[5.5]undecane-3,3-diacetic acid are useful light stabilizers for synthetic polymer resins such as polyolefins, and in particular, polypropylene.
聚烷基 1,5-二氧杂-9-氮杂螺[5.5]
十一烷-3,3-二
乙酸二烷基酯的单体和低聚物衍
生物是聚烯烃,特别是聚
丙烯等合成聚合物
树脂的有用
光稳定剂。