申请人:THE DOW CHEMICAL COMPANY
公开号:EP0699702A2
公开(公告)日:1996-03-06
A reaction product of at least
(1) a carbonyl dihalide, diester or anhydride,
(2) a dihydric phenol and
(3) a phosphine of the general Formula II
wherein
R represents an alkyl, cycloalkyl, aryl or aryl-alkyl group or an aryl group which is substituted at the aromatic ring with one or more radicals selected from the group consisting of halogen, alkyl and alkoxy,
R³ represents an alkyl, cycloalkyl, aryl or aryl-alkyl group or an aryl group which is substituted at the aromatic ring with one or more hydroxy, halogen, alkyl and/or alkoxy radicals and
R⁴ represents an alkylene, cycloalkylene, arylene or aryl-alkylene group or an arylene group which is substituted at the aromatic ring with one or more halogen, alkyl and/or alkoxy radicals.
The reaction product is useful for enhancing the thermal stability of a thermoplastic polymer.
反应产物中至少含有
(1) 羰基二卤化物、二酯或酸酐、
(2) 二氢苯酚和
(3) 通式 II 的膦
其中
R 代表烷基、环烷基、芳基或芳基烷基,或在芳香环上被一个或多个选自卤素、烷基和烷氧基的基团取代的芳基、
R³ 代表烷基、环烷基、芳基或芳基烷基,或芳香环上被一个或多个羟基、卤素、烷基和/或 烷氧基取代的芳基,以及
R⁴ 代表烯基、环烷基、芳基或芳基烷基,或芳香环上被一个或多个卤素、烷基和/或 烷氧基取代的芳基。
反应产物可用于提高热塑性聚合物的热稳定性。