申请人:E. I. Du Pont de Nemours and Company
公开号:US04335255A1
公开(公告)日:1982-06-15
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.
式子如下:
Ketoester的化学式为 ##STR1## 。
α-羧酸酯-ω-酰基氟化物的化学式为 ##STR2## 。
乙烯醚的化学式为 ##STR3## 。
双乙烯醚的化学式为 ##STR4## 。
烯丙醚的化学式为 ##STR5## 。
这些化合物可以用作成型树脂,其中乙烯醚和/或双乙烯醚或烯丙醚和氟化乙烯单体(例如四氟乙烯)的共聚物是有用的。在上述化学式中,n为0至6,p为0至7,X为CO.sub.2 M、CO.sub.2 R、CO.sub.2 H、CONH.sub.2、COF、COCl或CN,M为碱金属、铵或季铵,R为C.sub.1-8烷基。在水解后,所选的共聚物具有可湿润和可染色性,具有离子交换性,并且在可固化的氟弹性体组合物中是有用的,并且以膜的形式,作为氯碱电解池中的膜。