Di-esters or di-amides of N,N'-di-(hydroxy-alkyl)-or N,N'-di-(amino-alkyl)-piperazines and compositions of thermoplastic synthetic polymers containing them
申请人:Montedison S.p.A.
公开号:EP0019237A1
公开(公告)日:1980-11-26
N,N'-Di-(hydroxy-phenyl)-derivatives of piperazine having the general formula:
are disclosed. These compounds are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation.
Polymeric compositions stabilized with said compounds are also disclosed.
本发明公开了具有通式的 N,N'-二-(羟基苯基)-哌嗪衍生物:
的哌嗪衍生物。这些化合物可用于稳定热塑性聚合物,特别是聚烯烃,使其免受阳光、热量和氧化的影响。
还公开了用上述化合物稳定的聚合物组合物。