HEXAFLUOROPROPENE-BASED FLUOROSULFONATED ELASTOMERS WITH A LOW GLASS TRANSITION TEMPERATURE, CONTAINING NEITHER TETRAFLUOROETHYLENE NOR A SILOXANE GROUP
    96.
    发明申请
    HEXAFLUOROPROPENE-BASED FLUOROSULFONATED ELASTOMERS WITH A LOW GLASS TRANSITION TEMPERATURE, CONTAINING NEITHER TETRAFLUOROETHYLENE NOR A SILOXANE GROUP 审中-公开
    具有低玻璃化转变温度的含十六烷基荧光体的弹性体,不含四氢氟乙烯或硅氧烷基

    公开(公告)号:US20070293643A1

    公开(公告)日:2007-12-20

    申请号:US11779551

    申请日:2007-07-18

    IPC分类号: C08F14/26 C08F2/00

    摘要: The present invention describes the synthesis of new fluorinated elastomers with very low glass transition temperatures (Tg), a good resistance to bases, gasoline and other carburants and good workability properties, these elastomers contain hexafluoropropene (HFP), perfluoro(4-methyl-3,6-dioxaoct-7-ene) sulfonyl fluoride (PFSO2F), vinylidene fluoride (VDF) and/or at least one fluorinated alkene and/or one vinyl perfluorinated ether. In a precise case, they are prepared by radical polymerisation of HFP and PFSO2F or by radical terpolymerisation HFP, PFSO2F and VDF in the presence of different organic initiator, such as peroxides, peresters or diazo compounds.

    摘要翻译: 本发明描述了具有非常低的玻璃化转变温度(T g),良好的耐碱性,汽油和其它渗碳性的良好的加工性能的新的氟化弹性体的合成,这些弹性体含有六氟丙烯(HFP) ,全氟(4-甲基-3,6-二氧杂辛-7-烯)磺酰氟(PFSO 2 F),偏氟乙烯(VDF)和/或至少一种氟化烯和/或一种乙烯基 全氟化醚。 在精确的情况下,它们通过HFP和PFSO 2 F F的自由基聚合或通过在不同的有机引发剂存在下的自由基三聚HFP,PFSO 2 F和VDF来制备, 如过氧化物,过酸酯或重氮化合物。