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CN101932620A 四氟乙烯和3，3，3-三氟丙烯的含氟聚合物 无效 - 撤回

四氟乙烯和3，3，3-三氟丙烯的含氟聚合物
摘要：
包含至少50摩尔％至最多85摩尔％四氟乙烯(TFE)、10-35摩尔％3，3，3-三氟丙烯(TFP)和0.5-15摩尔％具有式RCF＝CR2的氟化烯键式不饱和单体的共聚物可用作加工助剂，并且可在柔性软管构造中用于燃料阻挡用途，其中可相同或不同的R选自H、F、Cl、Br、I、具有1至8个碳原子的烷基、具有1至8个碳原子的全氟烷基、和具有1至8个碳原子的全氟烷基醚。
摘要（英）：

Copolymer comprising at least 50 mol percent up to 85 mol percent tetrafluoroethylene (TFE), from 10 - 35 mol percent 3,3,3-trifluoropropylene (TFP), and from 0.5 - 15 mol percent of a fluorinated ethylenically unsaturated monomer of the formula RCF=CR2 wherein R, which can be the same or different, is selected from the group consisting of H, F, Cl, Br, I, alkyl of from 1 to 8 carbon atoms, perfluoroalkyl of from 1 to 8 carbon atoms, and perfluoroalkylether of from 1 to 8 carbon atoms are useful as process aids and for fuel barrier applications in flexible hose constructions.

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