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    • 3. 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。
    • 4. 发明授权
    • Fluorine-containing copolymer
    • 含氟共聚物
    • US5856417A
    • 1999-01-05
    • US958165
    • 1997-10-27
    • Teruo TakakuraAtsushi FunakiNaomi Ichikuni
    • Teruo TakakuraAtsushi FunakiNaomi Ichikuni
    • C08F214/22C08F214/26C08F16/24
    • C08F214/22C08F214/26
    • A fluorine-containing copolymer comprising:(a) from 0.05 to 20 mol % of polymer units based on at least one fluorinated comonomer selected from the group consisting of fluorinated comonomers of the following formulae (1), (2) and (3):X--R.sup.f --CY.dbd.CH.sub.2 (1)X--R.sup.f --O--CF.dbd.CF.sub.2 (2)CF.sub.3 --(CF.sub.2).sub.n --(O--CF(CF.sub.3)--CF.sub.2).sub.m --O--CF.dbd.CF.sub.2 (3)wherein Y is a fluorine atom or a hydrogen atom, R.sup.f is a C.sub.2-12 bivalent fluorinated organic group, X is a fluorine atom, a chlorine atom or a hydrogen atom, n is an integer of from 0 to 3, and m is an integer of from 1 to 4,(b) from 30 to 85 mol % of polymer units based on tetrafluoroethylene,(c) from 1 to 30 mol % of polymer units based on propylene, and(d) from 5 to 68.5 mol % of polymer units based on vinylidene fluoride.
    • 一种含氟共聚物,其包含:(a)0.05至20摩尔%的基于至少一种选自以下式(1),(2)和(3)的氟化共聚单体的氟化共聚单体的聚合物单元: X-Rf-CY = CH2(1)X-Rf-O-CF = CF2(2)CF3-(CF2)n-(O-CF(CF3)-CF2)mO-CF = CF2(3) 氟原子或氢原子,Rf为C2-12二价氟代有机基团,X为氟原子,氯原子或氢原子,n为0〜3的整数,m为 1〜4,(b)30〜85摩尔%的基于四氟乙烯的聚合物单元,(c)1〜30摩尔%的基于丙烯的聚合物单元,和(d)5〜68.5摩尔% 偏氟乙烯。
    • 7. 发明授权
    • Method for producing a fluorinated polymer
    • 氟化聚合物的制造方法
    • US5494984A
    • 1996-02-27
    • US325437
    • 1994-11-09
    • Atsushi FunakiTeruo TakakuraKazuo KatoKazuo HamazakiHaruhisa Miyake
    • Atsushi FunakiTeruo TakakuraKazuo KatoKazuo HamazakiHaruhisa Miyake
    • C08F2/06C08F2/18C08F2/38C08F14/18
    • C08F14/18
    • A method for producing a fluorinated polymer containing fluoroolefin units as the main constituting units, wherein CF.sub.3 (CF.sub.2).sub.n CH.sub.2 CH.sub.3 or CF.sub.3 (CF.sub.2).sub.n H, wherein n is an integer of from 1 to 8), the is used as the polymerization medium, and CF.sub.2 ClCF.sub.2 CHClF and/or CF.sub.3 CF.sub.2 CHCl.sub.2 as a chain transfer agent.Using the polymerization medium which is less likely to bring about an environmental destruction, it is possible to obtain a fluorinated polymer excellent in the heat resistance, solvent resistance, chemical resistance, etc. Further, the above chain transfer agent has good compatibility with the polymerization medium which scarcely brings about the environmental destruction, whereby it is possible to efficiently produce a fluorinated polymer excellent in the heat resistance and solvent resistance. This chain transfer agent has affinity to the resulting polymer and to the polymerization medium and has excellent handling efficiency for post treatment such as granulation or drying.
    • PCT No.PCT / JP94 / 00420 Sec。 371日期:1994年11月9日 102(e)日期1994年11月9日PCT 1994年3月16日PCT公布。 WO94 / 21696 PCT公开号 日本特开2002-1949号公报。一种含有氟代烯烃单元作为主要构成单元的含氟聚合物的制造方法,其中,CF 3(CF 2)n CH 2 CH 3或CF 3(CF 2)n H,其中n为1〜8的整数) 用作聚合介质,CF2ClCF2CHClF和/或CF3CF2CHCl2作为链转移剂。 使用不太可能引起环境破坏的聚合介质,可以获得耐热性,耐溶剂性,耐化学性等优异的氟化聚合物。此外,上述链转移剂与聚合物具有良好的相容性 介质几乎不会导致环境破坏,从而可以有效地制备耐热性和耐溶剂性优异的氟化聚合物。 该链转移剂对所得聚合物和聚合介质具有亲和性,并且对于后处理如造粒或干燥具有优异的处理效率。