申请人:Asahi Glass Company Ltd.
公开号:US04151200A1
公开(公告)日:1979-04-24
Polyfluorodiacyl fluorides having the formula FOC(CFXOCF.sub.2).sub.p (CF.sub.2).sub.n-1 (CF.sub.2 OCFX).sub.q COF wherein n represents an integer of 2 to 4; X represents fluorine or chlorine atom or trifluoromethyl group; p=0 to 5; q=0 to 5; p+q>1 are produced by reacting a perfluorolactone with a fluorocarbon epoxide, optionally in the presence of an aprotic polar solvent and a nucleophilic reagent.
具有以下化学式的聚氟二酰氟化物:FOC(CFXOCF.sub.2).sub.p (CF.sub.2).sub.n-1 (CF.sub.2 OCFX).sub.q COF,其中n表示2到4的整数;X表示氟、氯或三氟甲基基团;p=0到5;q=0到5;p+q>1。通过在无极性极性溶剂和亲核试剂的存在下,将全氟内酯与氟碳环氧化物反应,可制备该聚合物。