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    • 8. 发明申请
    • POLYMERISATION PROCESS
    • 聚合过程
    • WO2007116031A1
    • 2007-10-18
    • PCT/EP2007/053418
    • 2007-04-06
    • SOLVAY SOLEXIS S.P.A.ARCELLA, VincenzoKAPELIOUCHKO, ValeriFERRERO, StefanoGARGIULO, Aniello
    • ARCELLA, VincenzoKAPELIOUCHKO, ValeriFERRERO, StefanoGARGIULO, Aniello
    • C08F14/18C08F2/01B01F7/00
    • C08F2/01B01F7/00975B01F7/166B01F7/1665C08F14/18C08F14/26Y10S526/918C08F2/02
    • The invention pertains to a polymerisation process for the manufacture of a fluoropolymer [polymer (F)], said process comprising polymerising at least one fluorinated monomer in a polymerization medium, wherein said polymerization medium is mixed by means of a stirring system comprising at least two counter-rotating impellers. It has been surprisingly observed that the polymerization advantageously occurs without fouling or deposit formation on the reactor walls. Moreover, the polymerization process advantageously occurs with improved homogeneity, without composition, pressure or temperature gradients, thus enabling obtaining homogeneous polymer composition with no risk of local overheating. Finally, polymer (F) obtained from the process of the invention possesses advantageously improved morphology (percentage of organized structures, i.e. of particles of regular shape) and, hence, advantageously good free flowing properties which make it suitable for being processed by compression moulding with no need of intermediate milling or grinding process or other size reduction process. Still objects of the invention are a fluoropolymer [polymer (F)], and a moulding process.
    • 本发明涉及用于制造含氟聚合物[聚合物(F)]的聚合方法,所述方法包括在聚合介质中聚合至少一种氟化单体,其中所述聚合介质通过包含至少两个 反向旋转叶轮 已经令人惊讶地观察到聚合有利地在反应器壁上没有污垢或沉积物形成。 此外,聚合方法有利地在没有组成,压力或温度梯度的情况下具有改进的均匀性,因此能够获得均匀的聚合物组合物,而没有局部过热的风险。 最后,从本发明方法获得的聚合物(F)具有有利地改进的形态(有组织结构的百分比,即规则形状的颗粒的百分比),并且因此有利地是良好的自由流动性,使其适合于通过压缩模塑加工 不需要中间铣削或磨削加工或其他尺寸缩小工艺。 本发明的另一个目的是含氟聚合物[聚合物(F)]和成型工艺。