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    • 8. 发明申请
    • Perfluoroelastomer compositions and methods of preparing same
    • 全氟弹性体组合物及其制备方法
    • US20080287627A1
    • 2008-11-20
    • US12148014
    • 2008-04-16
    • Tsuyoshi NoguchiJiazhong LuoTatsuya MorikawaHirokazu KomoriTakafumi YamatoMeiten Koh
    • Tsuyoshi NoguchiJiazhong LuoTatsuya MorikawaHirokazu KomoriTakafumi YamatoMeiten Koh
    • C08F16/24
    • C08L27/18C08K5/18C08L2205/02Y10T428/3154C08L2666/04
    • The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a).
    • 本发明包括交联的全氟弹性体组合物和由可交联的全氟弹性体组合物形成的模塑制品,其具有具有固化部位单体的第一可固化全氟聚合物和具有固化部位单体的第二全氟聚合物。 全氟聚合物中四氟乙烯单体与全氟烷基乙烯基醚的摩尔比在全氟聚合物中为约0至约100至约65至35。 第二聚合物中四氟乙烯单体与全氟烷基乙烯基醚单体的摩尔比在第二全氟聚合物中为约65:35至约95:5。 组合物还包括治疗剂。 具有交联时间短的一种含氟弹性体组合物具有全氟弹性体(A),其具有四氟乙烯单元,全氟烷基乙烯基醚单元(a)和单体单元(b),所述单体单元具有选自以下的至少一种: 腈基,羧基和烷氧基羰基,其中所述组合物具有两种或更多种具有不同全氟烷基乙烯基醚单元(a)含量的全氟弹性体(A)。
    • 9. 发明授权
    • Perfluoroelastomer compositions and methods of preparing same
    • 全氟弹性体组合物及其制备方法
    • US09068069B2
    • 2015-06-30
    • US12969463
    • 2010-12-15
    • Tsuyoshi NoguchiJiazhong LuoTatsuya MorikawaHirokazu KomoriTakafumi YamatoMeiten Koh
    • Tsuyoshi NoguchiJiazhong LuoTatsuya MorikawaHirokazu KomoriTakafumi YamatoMeiten Koh
    • C08L27/18C08K5/18
    • C08L27/18C08K5/18C08L2205/02Y10T428/3154C08L2666/04
    • The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a).
    • 本发明包括交联的全氟弹性体组合物和由可交联的全氟弹性体组合物形成的模塑制品,其具有具有固化部位单体的第一可固化全氟聚合物和具有固化部位单体的第二全氟聚合物。 全氟聚合物中四氟乙烯单体与全氟烷基乙烯基醚的摩尔比在全氟聚合物中为约0至约100至约65至35。 第二聚合物中四氟乙烯单体与全氟烷基乙烯基醚单体的摩尔比在第二全氟聚合物中为约65:35至约95:5。 组合物还包括治疗剂。 具有交联时间短的一种含氟弹性体组合物具有全氟弹性体(A),其具有四氟乙烯单元,全氟烷基乙烯基醚单元(a)和单体单元(b),所述单体单元具有选自以下的至少一种: 腈基,羧基和烷氧基羰基,其中所述组合物具有两种或更多种具有不同全氟烷基乙烯基醚单元(a)含量的全氟弹性体(A)。