申请人:Ciba-Geigy Corporation
公开号:US05187213A1
公开(公告)日:1993-02-16
3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl; X and Y are independently --O--, --S-- or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl; W and Z are independently O or S; and n, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.
式I中的3,7,9-Trioxa-1-aza-2,8-二磷螺[4.5]癸烷,其中R1和R2独立地为氢、烷基、环烷基、双环烷基、三环烷基或芳基; 或当n或m为零时,可以是卤素,R3、R4、R5和R6独立地为氢、烷基、芳基烷基或芳基; X和Y独立地为--O--, --S--或--NR16--,其中R16是烷基、环烷基、烯基、芳基或芳基烷基; W和Z独立地为O或S; n、m、o和p独立地为零或1,对于稳定有机材料抵抗氧、热和/或光辐射的有害影响是有效的。