申请人:E. I. Du Pont de Nemours and Company
公开号:US05023362A1
公开(公告)日:1991-06-11
Ketoester of the formula ##STR1## .alpha.-carboxylate-.omega.-acyl fluoride of the formula ##STR2## vinyl ether of the formula ##STR3## divinyl ether of the formula ##STR4## allyl ether of the formula ##STR5## and film-forming copolymers, useful as molding resins, of the vinyl ether and/or the divinyl ether or the allyl ether and a fluorinated vinyl monomer, for example, tetrafluoroethylene, wherein, in the above formulas, n is 0 to 6, p is 0 to 7, X is CO.sub.2 M, CO.sub.2 R, CO.sub.2 H, CONH.sub.2, COF, COCl or Cn, M is alkali metal, ammonium or quaternary ammonium and R is C.sub.1-8 alkyl, selected copolymers, after hydrolysis, being water-wettable and dyeable, exhibiting ion-exchange properties and being useful in curable fluoroelastomer compositions and, in film form, as the membrane in a chloroalkali electrolysis cell.
式为##STR1##的KetoeSTer;式为##STR2##的α-
羧酸基-ω-酰基
氟化物;式为##STR3##的
乙烯基醚;式为##STR4##的
二乙烯基醚;式为##STR5##的
烯丙基醚以及共聚物,该共聚物有利于成型
树脂,其中该
乙烯基醚和/或
二乙烯基醚或
烯丙基醚和
氟化乙烯单体(例如
四氟乙烯)共聚,上述公式中,n为0至6,p为0至7,X为CO2M,CO2R,CO2H,CONH2,COF,COCl或Cn,M为碱
金属,
铵或季
铵,R为C1-8烷基,所选的共聚物在
水解后具有亲
水性和可染性,表现出离子交换属性,并且在固化的
氟橡胶组合物中有用,在膜形式中,作为
氯碱电解池中的膜。