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    • 6. 发明申请
    • THERMOPLASTIC FLUORORESIN AND ITS PRODUCTION PROCESS
    • 热塑性氟菊酯及其生产工艺
    • US20100286352A1
    • 2010-11-11
    • US12838531
    • 2010-07-19
    • Shintaro FUKUNAGAAtsushi Funaki
    • Shintaro FUKUNAGAAtsushi Funaki
    • C08F14/26C08F14/18
    • C08F259/08C08F214/18C08F214/186C08F214/265
    • To provide a process for producing a thermoplastic fluororesin having a high melt tension and being excellent in blow moldability, etc.A process for producing a thermoplastic fluororesin comprising a fluoropolymer having a branched structure, which comprises a step of polymerizing a monomer (A) having a radical generating group (x) and an addition polymerizable double bond, and a monomer (B), under polymerization conditions under which the radical generating group (x) is not decomposed, to produce a fluoropolymer (X), and a step of polymerizing a monomer (C) in the presence of the fluoropolymer (X) under polymerization conditions under which the radical generating group (x) is decomposed, to form a fluoropolymer (Y) having a branched structure (provided that each of the monomer (B) and the monomer (C) comprises one or more monomers having an addition polymerizable double bond, at least one of the monomers having an addition polymerizable double bond being a fluoromonomer, and is such a monomer that a polymer of only the monomer is a crystalline fluoropolymer; and the monomer (B) and the monomer (C) may be the same).
    • 本发明提供一种制造具有高熔融张力且吹塑成型性优异的热塑性氟树脂的方法等。一种制备含有具有支链结构的含氟聚合物的热塑性氟树脂的方法,其包括使单体(A) 自由基生成基(x)和可加成聚合双键的单体(B),在自由基生成基(x)不分解的聚合条件下),生成含氟聚合物(X)的步骤 在含氟聚合物(X)的存在下,在自由基生成基(x)分解的聚合条件下形成具有支链结构的含氟聚合物(Y)的单体(C)(条件是单体(B) 单体(C)含有一种或多种具有可加成聚合双键的单体,至少一种具有可加成聚合双键的单体是含氟单体,并且是这样的 仅单体的聚合物是结晶含氟聚合物的单体; 单体(B)和单体(C)可以相同)。