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    • 17. 发明授权
    • Fluorine-containing copolymer having rings on its main chain
    • 含氟共聚物在其主链上具有环
    • US5962612A
    • 1999-10-05
    • US979659
    • 1997-11-26
    • Teruo TakakuraToru Ishida
    • Teruo TakakuraToru Ishida
    • C08F214/18C08F232/00C09D127/12C08F12/20
    • C08F232/00C08F214/186C09D127/12
    • A fluorine-containing copolymer comprising (a) polymer units based on a fluoroolefin, (b) polymer units based on a cyclic monomer having, on its ring, an unsaturated group copolymerizable with the fluoroolefin, (c) polymer units based on an ethylenically unsaturated compound having a curable moiety but having neither an ester bond nor an ether bond, and optionally (d) polymer units based on at least one olefin selected from ethylene, propylene and isobutylene, or polymer units based on a vinyl ether having an aliphatic ring, in such proportions that, based on the total amount of polymer units (a), (b), (c) and (d), polymer units (a) are from 35 to 65 mol %, polymer units (b) are from 5 to 45 mol %, polymer units (c) are from 1 to 30 mol % and polymer units (d) are from 0 to 40 mol %, which has a number average molecular weight within a range of from 2,000 to 100,000, as calculated as polystyrene by gel permeation chromatograph, and which has rings based on said cyclic monomer, on the main chain of the copolymer.
    • 一种含氟共聚物,其包含(a)基于氟烯烃的聚合物单元,(b)基于环状单体的聚合物单元,其环上具有可与氟烯烃共聚的不饱和基团,(c)基于烯属不饱和基团的聚合物单元 具有可固化部分但不具有酯键或醚键的化合物,以及(d)基于选自乙烯,丙烯和异丁烯中的至少一种烯烃的聚合物单元或基于具有脂族环的乙烯基醚的聚合物单元, 按照聚合物单元(a),(b),(c)和(d)的总量计,聚合物单元(a)的含量为35-65mol%,聚合物单元(b)为5 至45摩尔%,聚合物单元(c)为1至30摩尔%,聚合物单元(d)为0至40摩尔%,其数均分子量在2,000至100,000的范围内,计算为 聚苯乙烯通过凝胶渗透色谱仪,并且在m上具有基于所述环状单体的环 ain链的共聚物。