申请人:E. I. Du Pont de Nemours and Company
公开号:US04675453A1
公开(公告)日:1987-06-23
Vinyl ether monomers of the formula ##STR1## wherein n is 0 or 1 and R is CH.sub.3 or C.sub.2 H.sub.5, precursors thereto, and copolymers with, e.g., tetrafluoroethylene, are provided. The copolymers are useful as electrical insulation and as the sheath portion of optical fibers, and can be converted to known ion exchange polymers having carboxylic groups which are useful, e.g., in the form of permionic membrane for separating the compartments of a chloralkali cell. The vinyl ether monomers can also be converted to vinyl ether monomers which contain carboxylate functional groups, which in turn can be copolymerized to useful copolymers.
提供公式为##STR1##的乙烯醚单体,其中n为0或1,R为CH.sub.3或C.sub.2 H.sub.5,其前体,以及与四氟乙烯等共聚物。这些共聚物可用作电气绝缘材料和光纤的护套部分,并可转化为已知的具有羧基的离子交换聚合物,例如,作为氯碱电池隔室的离子交换膜。乙烯醚单体也可转化为含有羧酸盐官能团的乙烯醚单体,然后可以共聚合成有用的共聚物。