Fluororesin composition and electric wire
    11.
    发明授权
    Fluororesin composition and electric wire 有权
    氟树脂组成和电线

    公开(公告)号:US07723615B2

    公开(公告)日:2010-05-25

    申请号:US11920442

    申请日:2006-05-17

    IPC分类号: H01B7/00

    摘要: A fluororesin composition including a tetrafluoroethylene/hexafluoropropylene-based copolymer and 0.01 to 3 parts by mass per 100 parts the copolymer of a polytetrafluoroethylene having a standard specific gravity of 2.15 to 2.30, and being obtained by mixing an aqueous dispersion of the tetrafluoroethylene/hexafluoropropylene-based copolymer with an aqueous dispersion of the polytetrafluoroethylene, causing coagulation, drying the polymer mixture and melt-extruding the same.

    摘要翻译: 包含四氟乙烯/六氟丙烯基共聚物的氟树脂组合物和每100份0.01至3质量份的标准比重为2.15至2.30的聚四氟乙烯的共聚物,通过将四氟乙烯/六氟丙烯基共聚物的水分散体, 与聚四氟乙烯的水分散体共聚,引起凝结,干燥聚合物混合物并熔融挤出。

    FLUORORESIN COMPOSITION AND COVERED ELECTRIC WIRE
    12.
    发明申请
    FLUORORESIN COMPOSITION AND COVERED ELECTRIC WIRE 有权
    氟菊酯组合物和覆盖电线

    公开(公告)号:US20110272173A1

    公开(公告)日:2011-11-10

    申请号:US12674070

    申请日:2008-09-24

    IPC分类号: H01B3/30 C08L27/20

    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)。

    FOAM ELECTRIC WIRE
    13.
    发明申请
    FOAM ELECTRIC WIRE 审中-公开
    泡沫电线

    公开(公告)号:US20110203830A1

    公开(公告)日:2011-08-25

    申请号:US13125847

    申请日:2009-10-29

    IPC分类号: H01B7/00

    CPC分类号: H01B3/445 H01B7/0233

    摘要: A foam electric wire is usable for plenum twisted pair cables, coaxial cables for CATV, cables for HDMI, coaxial cables for antenna wires in mobile communications, coaxial cables for medical applications, coaxial cables for security, and coaxial cables for broadband applications. The foam electric wire includes a conductor and a plurality of coating layers that coat the conductor and consist of perfluoro resin. At least one coating layer is an unexpanded layer. At least one coating layer is an expanded layer whose expansion percentage is 40% or greater. At least one coating layer contains a perfluoro polymer having an MFR of 1-50 g/10 min. The perfluoro polymer has a melt tension of 0.09 N or greater, and/or polymer terminals that are substantially only —CF3.

    摘要翻译: 泡沫电线可用于充气双绞线电缆,CATV用同轴电缆,HDMI电缆,移动通信用天线用同轴电缆,医疗应用用同轴电缆,安全用同轴电缆和宽带应用的同轴电缆。 泡沫电线包括导体和涂覆导体并由全氟树脂组成的多个涂层。 至少一层涂层是未膨胀层。 至少一层涂层是膨胀率为40%以上的发泡层。 至少一层涂层含有MFR为1-50g / 10min的全氟聚合物。 全氟聚合物的熔体张力为0.09N以上,和/或基本上只有-CF 3的聚合物末端。

    FLUORINATED COPOLYMER, ELECTRIC WIRE, AND METHOD FOR PRODUCTION OF THE ELECTRIC WIRE
    14.
    发明申请
    FLUORINATED COPOLYMER, ELECTRIC WIRE, AND METHOD FOR PRODUCTION OF THE ELECTRIC WIRE 有权
    氟化共聚物,电线以及电线生产方法

    公开(公告)号:US20100314153A1

    公开(公告)日:2010-12-16

    申请号:US12446185

    申请日:2007-10-19

    IPC分类号: H01B3/30 B32B3/10

    摘要: A fluorocopolymer with which the frequency of molding faults in electric wire covering molding can be reduced and which can give electric wires improved in crack resistance. The fluorocopolymer includes a tetrafluoroethylene-derived constituent unit as essential unit, and hexafluoropropylene-derived constituent unit and/or perfluoro(alkyl vinyl ether)-derived constituent unit. When the fluorocopolymer is molded into a film, the film has not more than 10000 fisheyes capable of enclosing a square with a side length of 44 μm and incapable of enclosing a square with a side length of 178 μm per 100 g and not more than 1000 fisheyes capable of enclosing a square with a side length of 178 μm per 100 g.

    摘要翻译: 可以减少电线覆盖成型中的成型缺陷频率的含氟共聚物,并且能够提高电线的抗裂性。 含氟共聚物包括作为必需单元的四氟乙烯衍生的构成单元和衍生自六氟丙烯的构成单元和/或全氟(烷基乙烯基醚)衍生的构成单元。 当含氟共聚物被模制成膜时,该膜具有不超过10000个能够包围侧面长度为44μm的正方形的鱼眼,并且不能包围边长为178μm/ 100g且不大于1000的正方形 鱼眼能够围绕侧面长度为178微米/ 100克的正方形。

    Fluorine-containing copolymer and molded article
    15.
    发明授权
    Fluorine-containing copolymer and molded article 有权
    含氟共聚物和成型品

    公开(公告)号:US08273991B2

    公开(公告)日:2012-09-25

    申请号:US12446052

    申请日:2007-10-15

    IPC分类号: H01B7/00

    摘要: A fluorocopolymer having tetrafluoroethylene [TFE]-derived copolymerized units and hexafluoropropylene [HFP]-derived copolymerized units, which has the following characteristics (a) and (b): (a) a thermal melting curve obtained by primary heating in differential scanning calorimetry shows a melting point within the range of 240 to 280° C. and a melting point peak portion area accounts for at least 60% of heats of fusion area; and (b) the product of a MFR (g/10 minutes) and a resin pressure (MPa) is not larger than 40.

    摘要翻译: 具有四氟乙烯[TFE]衍生的共聚单元和六氟丙烯[HFP]衍生的共聚单元的含氟共聚物具有以下特征(a)和(b):(a)通过差示扫描量热法初步加热获得的热解曲线, 熔点在240〜280℃的范围内,熔点峰面积占融合面积的至少60%。 和(b)MFR(g / 10分钟)和树脂压力(MPa)的乘积不大于40。

    Fluorinated copolymer, electric wire, and method for production of the electric wire
    16.
    发明授权
    Fluorinated copolymer, electric wire, and method for production of the electric wire 有权
    氟化共聚物,电线以及电线的制造方法

    公开(公告)号:US08058556B2

    公开(公告)日:2011-11-15

    申请号:US12446185

    申请日:2007-10-19

    IPC分类号: H01B7/00

    摘要: A fluorocopolymer having a tetrafluoroethylene-derived constituent unit as essential unit, and hexafluoropropylene-derived constituent unit and/or perfluoro(alkyl vinyl ether)-derived constituent unit, wherein, when the fluorocopolymer is molded into a film, the film has not more than 10000 fisheyes capable of enclosing a square with a side length of 44 μm and incapable of enclosing a square with a side length of 178 μm per 100 g and not more than 1000 fisheyes capable of enclosing a square with a side length of 178 μm per 100 g.

    摘要翻译: 具有四氟乙烯衍生的构成单元作为必需单元的含氟共聚物和衍生自六氟丙烯的构成单元和/或全氟(烷基乙烯基醚)构成单元,其中,当含氟共聚物成型为膜时,该膜不超过 10000个鱼眼,其能够包围侧面长度为44μm的正方形,并且不能包围边长为178μm/ 100g的不等于1000个可以包围侧面长度为178μm/ 100的正方形的方形 G。

    Fluororesin composition and electric wire
    17.
    发明申请
    Fluororesin composition and electric wire 有权
    氟树脂组成和电线

    公开(公告)号:US20090044965A1

    公开(公告)日:2009-02-19

    申请号:US11920442

    申请日:2006-05-17

    IPC分类号: H01B3/30 C08L27/18

    摘要: The present invention provides a fluororesin composition which is improved in moldability in melt extrusion molding and, in particular, makes it possible to markedly reduce molding defects even when the extrusion molding for covering electric wires is carried out at a high speed. The present invention is a fluororesin composition comprising a tetrafluoroethylene/hexafluoropropylene-based copolymer and 0.01 to 3 parts by mass per 100 parts the copolymer of a polytetrafluoroethylene having a standard specific gravity of 2.15 to 2.30, and being obtained by mixing an aqueous dispersion of the tetrafluoroethylene/hexafluoropropylene-based copolymer with an aqueous dispersion of the polytetrafluoroethylene, causing coagulation, drying the polymer mixture and melt-extruding the same.

    摘要翻译: 本发明提供一种熔融挤出成型时的成型性提高的氟树脂组合物,特别是即使在高速进行覆盖电线的挤出成型时也能够显着降低成型缺陷。 本发明是一种含有四氟乙烯/六氟丙烯系共聚物的氟树脂组合物,相对于100份的标准比重为2.15〜2.30的聚四氟乙烯的共聚物为0.01〜3质量份,通过将 四氟乙烯/六氟丙烯基共聚物与聚四氟乙烯的水性分散体混合,干燥聚合物混合物并将其熔融挤出。