Hydroxyaminomethylphosphonates and stabilized compositions
申请人:Ciba-Geigy Corporation
公开号:US05077329A1
公开(公告)日:1991-12-31
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.
Long chain N-alykl-alpha-alkyl nitrones and their use as stabilizers
申请人:CIBA-GEIGY AG
公开号:EP0311568B1
公开(公告)日:1991-09-04
Long chain N-alkyl-alpha-alkyl nitrones and polyolefin compositions
申请人:Ciba-Geigy Corporation
公开号:US04898901A1
公开(公告)日:1990-02-06
Long chain N-alkyl-alpha-alkyl nitrones represent particularly valuable process stabilizers for polyolefin compositions. The nitrone derived from the long chain alkyl mixture present in di(hydrogenated tallow)amine is especially useful for this purpose.
Silylated hydroxyaminomethylphosphonates and stabilized compositions
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.