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    • 4. 发明授权
    • Fluoropolymers resistant to stress cracking
    • 耐应力开裂的含氟聚合物
    • US06653379B2
    • 2003-11-25
    • US09904235
    • 2001-07-12
    • Thomas J. BlongLisa P. ChenRalph KaulbachFriedrich KloosGeorg Burkard
    • Thomas J. BlongLisa P. ChenRalph KaulbachFriedrich KloosGeorg Burkard
    • C08F21426
    • C08F214/262
    • The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP. These fluorothermoplastic compositions have a flex life that fits the equation: log(flex life cycles)≧0.71+4.0*(MFI(−0.294)), a method of making fluorothermoplastic compositions, a method of improving stress crack resistance, and fluorothermoplastic articles.
    • 本发明提供一种含氟热塑性组合物,其包含衍生自约94至约97.5摩尔%(摩尔%)四氟乙烯(TFE),约2至约3摩尔%全氟(丙基乙烯基醚)(PPVE)和约0.5至约3 mol%六氟丙烯(HFP)。 本发明还提供一种含氟热塑性组合物,其包含衍生自约94至约97mol%TFE,约0.75至约3mol%PPVE和约1.5至约3.5mol%HFP的共聚单元。 这些氟热塑性组合物具有适合以下等式的柔性寿命:制备氟热塑性组合物的方法,改善耐应力开裂性的方法和氟热塑性制品。
    • 5. 发明授权
    • Fluoropolymers resistant to stress cracking
    • 耐应力开裂的含氟聚合物
    • US06984697B2
    • 2006-01-10
    • US10680537
    • 2003-10-07
    • Thomas J. BlongLisa P. ChenRalph KaulbachFriedrich KloosGeorg Burkard
    • Thomas J. BlongLisa P. ChenRalph KaulbachFriedrich KloosGeorg Burkard
    • C08L27/12
    • C08F214/262
    • The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP. These fluorothermoplastic compositions have a flex life that fits the equation: log(flex life cycles)≧0.71+4.0*(MFI(−0.294)), a method of making fluorothermoplastic compositions, a method of improving stress crack resistance, and fluorothermoplastic articles.
    • 本发明提供一种含氟热塑性组合物,其包含衍生自约94至约97.5摩尔%(摩尔%)四氟乙烯(TFE),约2至约3摩尔%全氟(丙基乙烯基醚)(PPVE)和约0.5至约3 mol%六氟丙烯(HFP)。 本发明还提供一种含氟热塑性组合物,其包含衍生自约94至约97摩尔%TFE,约0.75至约3摩尔%PPVE和约1.5至约3.5摩尔%HFP的互聚单元。 这些氟热塑性组合物具有适合以下等式的挠曲寿命:<?in-line-formula description =“In-line Formulas”end =“lead”?> log(flex life cycles)> = 0.71 + 4.0 *(MFI ( - 0.294)),<?in-line-formula description =“In-line Formulas”end =“tail”?>制备荧光热塑性组合物的方法,改善抗应力开裂性的方法和氟热塑性 文章。