Fluoropolymer laminate
    2.
    发明授权
    Fluoropolymer laminate 有权
    含氟聚合物层压板

    公开(公告)号:US06780483B1

    公开(公告)日:2004-08-24

    申请号:US10069342

    申请日:2002-02-25

    IPC分类号: B32B2700

    摘要: A layer of a tetrafluoroethylene copolymer having 30 to 81% by mole of tetrafluoroethylene and 70 to 19% by mole of at least one other monomer and having a carbonate group in a polymer chain or at a polymer chain terminal, which has a melt flow rate of 0.1 to 100 g/10 minutes (230° C., 5 kg-load) and a melting point of 90 to 230° C. and a layer of a polyolefin resin are adhered with a layer of an ethylene-vinyl acetate copolymer, which satisfies the following relationship: X×Y/100≧7.0, wherein X is a vinyl acetate content (% by mole) and Y is a saponification degree of a methyl ester (%). The resulting laminate has high resistance to fuels, and the layer of the tetrafluoroethylene copolymer having a carbonate group and the layer of the polyolefin resin are firmly adhered.

    摘要翻译: 在聚合物链或聚合物链末端具有30〜81摩尔%的四氟乙烯和70〜19摩尔%的至少一种其它单体并具有碳酸酯基的四氟乙烯共聚物层,其具有熔体流动速率 为0.1〜100g / 10分钟(230℃,5kg载荷),熔点为90〜230℃,用乙烯 - 乙酸乙烯酯共聚物层粘合聚烯烃树脂层, 其满足以下关系式:XxY / 100> = 7.0,其中X是乙酸乙烯酯含量(摩尔%),Y是甲酯的皂化度(%)。 所得到的层压体具有高的燃料抵抗性,并且具有碳酸酯基的四氟乙烯共聚物层和聚烯烃树脂层牢固地粘合。

    Tetrafluoroethylene copolymer and use thereof
    6.
    发明授权
    Tetrafluoroethylene copolymer and use thereof 有权
    四氟乙烯共聚物及其用途

    公开(公告)号:US06372870B1

    公开(公告)日:2002-04-16

    申请号:US09446651

    申请日:1999-12-23

    IPC分类号: C08F21426

    摘要: A tetrafluoroethylene copolymer comprising 30 to 81 mole % of tetrafluoroethylene and a 70 to 19 mole % of at least one other monomer, and having terminal carbonate groups at polymer chain ends, which has a melt flow rate of 0.1 to 100 g/10 min. at 200° C. under a load of 5 kg, and a melting point of 90 to 200° C. This copolymer can be firmly adhered directly to other materials such as general-purpose resins while maintaining the good properties of fluororesins such as chemical resistance, weather resistance, solvent resistance, non-tackiness, electrical insulation, stain-proofing properties, and flame retardance, molded at a lower temperature than conventional fluororesins, and heat bonded or co-extruded with general-purpose resins having low heat resistance.

    摘要翻译: 包含30至81摩尔%的四氟乙烯和70至19摩尔%的至少一种其它单体并且在聚合物链端具有末端碳酸酯基的四氟乙烯共聚物,其熔体流动速率为0.1至100g / 10分钟。 在200℃,5kg的负荷下,熔点为90〜200℃。该共聚物可以直接牢固地粘合到其他材料如通用树脂上,同时保持氟树脂的良好性能,如耐化学性 耐候性,耐溶剂性,非粘着性,电绝缘性,防污性和阻燃性,在比常规氟树脂低的温度下成型,并与通常使用低耐热性的树脂进行热粘合或共挤出。

    MULTILAYER BODY
    7.
    发明申请
    MULTILAYER BODY 审中-公开
    多层体

    公开(公告)号:US20090291243A1

    公开(公告)日:2009-11-26

    申请号:US11917416

    申请日:2006-06-19

    摘要: The present invention provides a laminate which is highly impermeable to fuels and has high fuel crack resistance. The present invention is a laminate having:a layer (A) comprising a fluorinated ethylenic polymer; a layer (B) comprising a chlorotrifluoroethylene copolymer; and a layer (C) comprising a fluorine-free organic material (P); the fluorinated ethylenic polymer being different from the chlorotrifluoroethylene copolymer forming the layer (B) in one and the same laminate and the layer (A), the layer (B), and the layer (C) being bonded together in that order.

    摘要翻译: 本发明提供一种对燃料高度不可渗透并且具有高燃料龟裂性的层压体。 本发明是一种层压体,其具有:含有氟化乙烯性聚合物的层(A) 包含氯三氟乙烯共聚物的层(B); 和含有无机有机材料(P)的层(C)。 氟化乙烯类聚合物不同于在同一层压体中形成层(B)的氯三氟乙烯共聚物,层(A),层(B)和层(C)按顺序结合在一起。

    Polytetrafluoroethylene fine powders and their use
    8.
    发明授权
    Polytetrafluoroethylene fine powders and their use 失效
    聚四氟乙烯细粉及其用途

    公开(公告)号:US06503988B1

    公开(公告)日:2003-01-07

    申请号:US09051805

    申请日:1998-04-23

    IPC分类号: C08F11418

    摘要: A polytetrafluoroethylene fine powder excellent in powder flowability which comprises fine particles (the primary particle) having a mean particle diameter of 0.05 to 1 &mgr;m, an apparent density of 0.52 to 0.70 g/ml, a standard specific gravity (SSG) of 2.14 to 2.23, and a secondary mean particle diameter of 100 to 1000 &mgr;m, antidripping agent using the above polytetrafluoroethylene fine powder, flame resistive resin composition containing this powder, and composition for inhibiting dust characteristics containing this powder.

    摘要翻译: 粉末流动性优异的聚四氟乙烯细粉末,其包含平均粒径为0.05〜1μm的微粒(一次粒子),表观密度为0.52〜0.70g / ml,标准比重(SSG)为2.14〜2.23 ,二次平均粒径为100〜1000μmol,使用上述聚四氟乙烯细粉末的防毒剂,含有该粉末的阻燃树脂组合物和含有该粉末的粉尘特性抑制组合物。

    Tetrafluoroethylene/hexafluoropropylene copolymer and the production method thereof, and electrical wire
    9.
    发明授权
    Tetrafluoroethylene/hexafluoropropylene copolymer and the production method thereof, and electrical wire 有权
    四氟乙烯/六氟丙烯共聚物及其制造方法和电线

    公开(公告)号:US09012580B2

    公开(公告)日:2015-04-21

    申请号:US12866135

    申请日:2009-02-09

    摘要: A tetrafluoroethylene/hexafluoropropylene copolymer has improved moldability in melt extrusion molding, especially with significant reduction of defects in high-speed extrusion coating of an electrical wire. The tetrafluoroethylene/hexafluoropropylene copolymer is obtained by polymerization of at least tetrafluoroethylene and hexafluoropropylene selected from the group consisting of tetrafluoroethylene, hexafluoropropylene and a third monomer without mixing with the resin which has the melting point with the difference of 20 degree C. and more from the melting point of the tetrafluoroethylene/hexafluoropropylene copolymer; and has a complex viscosity of from 2.0×I03 to 10.0×I03 Pa*s and a storage modulus of from 0.1 to 3.5 Pa*s in melt viscoelasticity measurement under the condition of atmosphere temperature of 310 degree C. and angular frequency of 0.01 radian/second. The tetrafluoroethylene/hexafluoropropylene copolymer can be used in an electrical wire as a coating on a conductive core.

    摘要翻译: 四氟乙烯/六氟丙烯共聚物在熔融挤出成型中具有改进的成型性,特别是显着减少电线的高速挤出涂覆中的缺陷。 四氟乙烯/六氟丙烯共聚物通过至少四氟乙烯和六氟丙烯的选自四氟乙烯,六氟丙烯和第三单体的聚合而获得,不与熔点差为20℃的树脂混合, 四氟乙烯/六氟丙烯共聚物的熔点; 在气氛温度为310℃,角频率为0.01弧度的熔融粘弹性测定中,复数粘度为2.0×10 3〜10 10×10 3 Pa * s,储能模量为0.1〜3.5Pa * /第二。 四氟乙烯/六氟丙烯共聚物可以用作导电芯上的涂层的电线。

    Fluororesin composition and covered electric wire
    10.
    发明授权
    Fluororesin composition and covered electric wire 有权
    氟树脂组成和覆盖电线

    公开(公告)号:US08143351B2

    公开(公告)日:2012-03-27

    申请号:US12674070

    申请日:2008-09-24

    IPC分类号: C08L27/12

    摘要: It is an object of the present invention to provide a fluororesin composition which hardly causes molding defects even when high-speed molding is performed in covering extrusion molding within a relatively broad molding temperature range and which can give covered electric wires, in particular foamed electric wires, excellent in surface smoothness.A fluororesin composition comprising a polytetrafluoroethylene [PTFE] having a standard specific gravity of 2.15 to 2.30 and a tetrafluoroethylene/hexafluoropropylene-based copolymer [FEP], the content of said PTFE being 0.01 to 3 parts by mass per 100 parts by mass of said FEP and the alkali metal content being not higher than 5 ppm on the resin composition solid matter basis, wherein said composition is obtained by a method comprising the step (1) of obtaining a cocoagulated fluororesin powder by mixing an aqueous dispersion containing said FEP and an aqueous dispersion containing said PTFE together, followed by coagulation, the step (2) of melt extruding the cocoagulated powder and the step (3) of subjecting the extrusion product to treatment for stabilizing unstable terminal groups in said PTFE and FEP.

    摘要翻译: 本发明的目的是提供即使在相对宽的成型温度范围内覆盖挤压成型进行高速成型时也难以引起成型缺陷的氟树脂组合物,其可以形成被覆电线,特别是发泡电线 表面平滑度优异。 一种含有标准比重为2.15〜2.30的聚四氟乙烯[PTFE]和四氟乙烯/六氟丙烯系共聚物[FEP]的氟树脂组合物,所述PTFE的含量相对于100质量份所述FEP为0.01〜3质量份 碱性金属含量在树脂组合物固体物质上不高于5ppm,其中所述组合物通过包括步骤(1)的方法获得,所述方法包括通过将含有所述FEP的水性分散体和水溶液 将所述PTFE分散在一起,然后凝固,熔融挤出可凝结粉末的步骤(2)和使挤出产物经受处理以稳定所述PTFE和FEP中的不稳定末端基团的步骤(3)。