申请人:Ciba-Geigy Corporation
公开号:US05126427A1
公开(公告)日:1992-06-30
Polyarylene ether sulfones which have a reduced viscosity of 0.1 to 2.0 dl/g, measured at 25.degree. C. in a 1% solution in N-methylpyrrolidone (NMP), and which contain, based on the total number of structural units present in the polyarylene ether sulfone resin, 99-1 mol % of a recurring structural unit of formula I ##STR1## and 1-99 mol % of a recurring structural unit of formula II --O--Ar.sub.2 --O--Ar.sub.1 -- (II) wherein the aromatic rings in the structural unit of formula I are unsubstituted or substituted by one or more C.sub.1 -C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups or halogen atoms, Ar.sub.1 is a radical of formula IIIa-IIIc ##STR2## wherein a is 0 or 1, ##STR3## which radical is unsubstituted or substituted by one or more C.sub.1 -C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups or halogen atoms, and Ar.sub.2 is a radical of formula IVa-IVe ##STR4## wherein b is 0 or 1 ##STR5## wherein c is 0 or 1 ##STR6## wherein Z is --CO--, --SO.sub.2 --, --SO--, --S--, --O--, ##STR7## wherein R is methyl or phenyl, which radical is unsubstituted or substituted by one or more C.sub.1 -C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups or halogen atoms, are soluble in customary organic solvents and can be processed from the solution to films or incorporated in other matrix resins.
具有0.1至2.0dl/g的降低粘度,以1%N-甲基吡咯烷酮(NMP)溶液在25°C下测量,且基于聚芳基醚砜树脂中存在的结构单元的总数,含有99-1摩尔%的公式I的重复结构单元:##STR1## 和1-99摩尔%的公式II的重复结构单元:--O--Ar.sub.2--O--Ar.sub.1--(II),其中公式I中的芳香环未取代或被一个或多个C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基或卤素原子取代,Ar.sub.1是公式IIIa-IIIc的基团:##STR2## 其中a为0或1,##STR3## 该基团未取代或被一个或多个C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基或卤素原子取代,而Ar.sub.2是公式IVa-IVe的基团:##STR4## 其中b为0或1 ##STR5## 其中c为0或1 ##STR6## 其中Z为--CO--,--SO.sub.2--,--SO--,--S--,--O--,##STR7## 其中R为甲基或苯基,该基团未取代或被一个或多个C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基或卤素原子取代,可溶于常用有机溶剂,并可从溶液中加工成薄膜或纳入其他基质树脂中。