申请人:Sankyo Company Limited
公开号:US04219465A1
公开(公告)日:1980-08-26
Novel piperidine-spiro-hydantoin derivatives represented by the general formula (I) and use thereof as light stabilizers for synthetic polymers are described: ##STR1## The compounds are distinguished by an improved stabilizing effect in various synthetic polymer compositions, such as polyolefins, against light- and/or heat-induced deterioration thereof, small volatility upon heat-processing or during storage of shaped articles containing the compounds, and resistance to extraction with water and solvents.
描述了由一般公式(I)代表的新型哌啶-螺内酰脲衍生物以及其作为合成聚合物的光稳定剂的用途:##STR1## 这些化合物在各种合成聚合物组合物中具有改善的稳定效果,如聚烯烃,对其光和/或热诱导的恶化,加热处理或含有这些化合物的成型制品在存储期间的挥发度小,以及对水和溶剂的抗萃取性。