Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactants
    31.
    发明申请
    Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactants 有权
    使用烷基磺酸盐表面活性剂生产热塑性含氟聚合物的方法

    公开(公告)号:US20050239983A1

    公开(公告)日:2005-10-27

    申请号:US10832535

    申请日:2004-04-27

    CPC分类号: C08F14/18 C08F2/10

    摘要: Nonfluorinated surfactants selected from C7-C20 linear 1-alkanesulfonates,-2-sulfonates, and-1,2-disulfonates are particularly effective for stabilizing emulsions in preparing non-elastomeric fluoropolymers containing at least 71 wt % vinylidene fluoride and having at least a 2% crystalline polyvinylidene fluoride content. Processes for making such fluoropolymers using these surfactants, particularly in combination with one or both of a nonionic polymerization initiator and the use of mechanical coagulation to isolate the product, are also provided, as are fluoropolymers made thereby.

    摘要翻译: 选自C7-C20线性1-烷基磺酸盐,-2-磺酸盐和1,2-二磺酸盐的非氟化表面活性剂在制备含有至少71重量%偏二氟乙烯并且具有至少2个 %结晶聚偏二氟乙烯含量。 还提供了使用这些表面活性剂,特别是与非离子聚合引发剂中的一种或两种以及使用机械凝结来分离产物的这些含氟聚合物的制备方法,由此制备的含氟聚合物也是如此。