METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER, FLUORINE-CONTAINING POLYMER HAVING FUNCTIONAL GROUP AND ELECTROLYTE MEMBRANE
申请人:AGC Inc.
公开号:EP3643728A1
公开(公告)日:2020-04-29
To provide a method for producing a fluorinated polymer which enables stable production of a fluorinated polymer having a high molecular weight at a high polymerization rate with good productivity and reduced environmental burdens, a method for producing a fluorinated polymer having functional groups, and a method for producing an electrolyte membrane.
A method for producing a fluorinated polymer, which comprises polymerizing a monomer mixture containing tetrafluoroethylene and a fluorinated monomer having a group convertible to a sulfonic acid group or a carboxylic acid group in a polymerization medium, wherein the polymerization medium contains as the main component a C4-10 cyclic hydrofluorocarbon. Further, a method for producing a fluorinated polymer having functional groups and a method for producing an electrolyte membrane, employing the production method.
提供一种生产含氟聚合物的方法,该方法能够以较高的聚合速率稳定地生产具有较高分子量的含氟聚合物,同时具有较好的生产率和较低的环境负担;还提供一种生产具有官能团的含氟聚合物的方法,以及一种生产电解质膜的方法。
一种生产含氟聚合物的方法,包括在聚合介质中聚合含有四氟乙烯和具有可转化为磺酸基团或羧酸基团的含氟单体的单体混合物,其中聚合介质的主要成分为 C4-10 环烃。此外,一种生产具有官能团的含氟聚合物的方法,以及一种采用该生产方法生产电解质膜的方法。