申请人:Ciba-Geigy Corporation
公开号:US05137951A1
公开(公告)日:1992-08-11
Hydroxyaminomethylphosphonates of formula I ##STR1## where R.sub.1 to R.sub.5 are independently hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl, R.sub.6 has the same meanings except for hydrogen, and R.sub.1 can also be trialkylsilyl, are useful stabilizers for organic materials subject to oxidative, thermal or actinic induced degradation.
式I的羟氨甲基膦酸酯
##STR1##
其中R.sub.1到R.sub.5独立地为氢、烷基、环烷基、芳香基或苯基烷基,R.sub.6具有相同的含义,但除了氢之外,R.sub.1还可以是三烷基硅基。这些化合物对于易受氧化、热降解或光降解的有机材料是有用的稳定剂。