Crust resistant twisted pair communications cable
    1.
    发明授权
    Crust resistant twisted pair communications cable 有权
    防结网双绞线通信电缆

    公开(公告)号:US07473848B2

    公开(公告)日:2009-01-06

    申请号:US12100433

    申请日:2008-04-10

    IPC分类号: H01B7/00

    摘要: Communication cable is provided comprising a twisted pair of polymer insulated conductors, the twisting to form the twisted pair forcing the surface of polymer insulation of each polymer-insulated conductor of said polymer-insulated conductors into contact with one another, the polymer insulation of each polymer-insulated conductor including (i) a foamed portion being crushable by the forcing together of the contacting surfaces of the polymer insulation of each of the polymer-insulated conductors and (ii) a crush-resistant portion extending radially within said insulation into the foamed portion and being present where the surface of the polymer-insulated conductors are into said contact with one another, thereby protecting the foamed portion from crushing by the forcing together of the contacting surfaces.

    摘要翻译: 提供包括双绞聚合物绝缘导体的通信电缆,该扭转形成双绞线,迫使所述聚合物绝缘导体的每个聚合物绝缘导体的聚合物绝缘表面彼此接触,每个聚合物的聚合物绝缘体 - 绝缘导体,包括(i)发泡部分可通过将每个聚合物绝缘导体的聚合物绝缘体的接触表面强加在一起而被压碎,以及(ii)在所述绝缘体内径向延伸到发泡部分中的抗压缩部分 并且存在聚合物绝缘导体的表面彼此接触的位置,从而通过将接触表面强制在一起来保护发泡部分免受破碎。

    Fluoropolymer Wire Insulation
    2.
    发明申请
    Fluoropolymer Wire Insulation 有权
    含氟聚合物绝缘

    公开(公告)号:US20080283271A1

    公开(公告)日:2008-11-20

    申请号:US12116984

    申请日:2008-05-08

    IPC分类号: H01B3/00

    摘要: FEP compositions are provided that provide foam insulation in coaxial cable that surpasses the return loss obtained when PFA is used to make the foamed insulation, one composition comprising a blend of tetrafluoroethylene/hexafluoropropylene copolymers, one of said copolymers exhibiting a strip force of at least about 3 lbf (13.3 N) and another of said copolymers exhibiting a strip force no greater than about 2.5 lbf (11.1 N), said blend exhibiting a strip force of at least about 3 lbf (13.3 N), each said strip force being the force necessary to break adhesion between conductor and said one of said copolymers, said another of said copolymers, and said blend, respectively, and another composition comprising tetrafluoroethylene/hexafluoropropylene copolymer having an MFR of no greater than about 16 g/10 min and containing —CF3 end groups and an effective amount of wire affinity end groups to exhibit a strip force of at least about 3 lbf (13.3 N), said strip force being the force necessary to break adhesion between conductor and said copolymer, the coaxial cable exhibiting an average return loss of no greater than about −26 dB at 800 MHz to 3 GHz and having a void content of about 20 to 65% and (b) forming an outer conductor over said foamed insulation.

    摘要翻译: 提供FEP组合物,其提供同轴电缆中的泡沫绝缘,其超过当PFA用于制备发泡绝缘体时获得的回流损耗,一种组合物包含四氟乙烯/六氟丙烯共聚物的共混物,所述共聚物之一表现出至少约 3磅(13.3N),另一种所述共聚物具有不大于约2.5lbf(11.1N)的剥离力,所述共混物具有至少约3lbf(13.3N)的剥离力,每个所述剥离力是力 必须分别破坏导体与所述共聚物,所述另一种所述共聚物和所述共混物之间的粘合性,另一种组合物包含MFR不超过约16g / 10min并含有-CF的四氟乙烯/六氟丙烯共聚物 端基和有效量的引线亲和端基以显示至少约3lbf(13.3N)的剥离力,所述剥离力为 必须破坏导体和所述共聚物之间的粘附,同轴电缆在800MHz至3GHz具有不大于约-26dB的平均回波损耗,并且具有约20至65%的空隙含量和(b)形成 外导体超过所述发泡绝缘体。

    Fluoropolymer wire insulation
    3.
    发明授权
    Fluoropolymer wire insulation 有权
    含氟聚合物电线绝缘

    公开(公告)号:US07638709B2

    公开(公告)日:2009-12-29

    申请号:US12116984

    申请日:2008-05-08

    IPC分类号: H01B7/00

    摘要: FEP compositions are provided that provide foam insulation in coaxial cable that surpasses the return loss obtained when PFA is used to make the foamed insulation, one composition comprising a blend of tetrafluoroethylene/hexafluoropropylene copolymers, one of said copolymers exhibiting a strip force of at least about 3 lbf (13.3 N) and another of said copolymers exhibiting a strip force no greater than about 2.5 lbf (11.1 N), said blend exhibiting a strip force of at least about 3 lbf (13.3 N), each said strip force being the force necessary to break adhesion between conductor and said one of said copolymers, said another of said copolymers, and said blend, respectively, and another composition comprising tetrafluoroethylene/hexafluoropropylene copolymer having an MFR of no greater than about 16 g/10 min and containing —CF3 end groups and an effective amount of wire affinity end groups to exhibit a strip force of at least about 3 lbf (13.3 N), said strip force being the force necessary to break adhesion between conductor and said copolymer, the coaxial cable exhibiting an average return loss of no greater than about −26 dB at 800 MHz to 3 GHz and having a void content of about 20 to 65% and (b) forming an outer conductor over said foamed insulation.

    摘要翻译: 提供FEP组合物,其提供同轴电缆中的泡沫绝缘,其超过当PFA用于制备发泡绝缘体时获得的回流损耗,一种组合物包含四氟乙烯/六氟丙烯共聚物的共混物,所述共聚物之一表现出至少约 3磅(13.3N),另一种所述共聚物具有不大于约2.5lbf(11.1N)的剥离力,所述共混物具有至少约3lbf(13.3N)的剥离力,每个所述剥离力是力 必要的是分别破坏导体与所述共聚物,所述另一种共聚物和所述共混物之间的粘附性,另一种组合物包含MFR不超过约16g / 10min且含有-CF 3的四氟乙烯/六氟丙烯共聚物 末端基团和有效量的丝线亲和端基以显示至少约3lbf(13.3N)的剥离力,所述剥离力是必需的力 y以破坏导体和所述共聚物之间的粘附,所述同轴电缆在800MHz至3GHz处具有不大于约-26dB的平均回波损耗并且具有约20至65%的空隙含量,以及(b)形成外部 导体超过所述发泡绝缘体。

    Hinge with insulated wire for electronic devices
    7.
    发明授权
    Hinge with insulated wire for electronic devices 有权
    用于电子设备的绝缘线铰链

    公开(公告)号:US07592406B2

    公开(公告)日:2009-09-22

    申请号:US11973528

    申请日:2007-10-09

    摘要: The combination of a hinge and an insulated wire is provided, wherein the hinge is capable of closing and opening to an angle of at least 90°, the insulated wire being secured by the hinge so as to fold when said hinge is closed and to unfold when said hinge is opened, the insulation on the wire comprising fluoropolymer, such as tetrafluoroethylene/-hexafluoropropylene copolymer or tetrafluoroethylene/perfluoro(methyl vinyl ether)/perfluoro(propyl vinyl ether) copolymer, each polymer having a melting point of 260 to 290° C. and MIT Flex Life of at least about 15,000 cycles, the hinge being useful in such electronic devices as a laptop computer or a clamshell cell phone, attaching the keyboard and screen portion to one another, the insulation being capable of repeated opening and closing of the hinge without cracking of the insulation.

    摘要翻译: 提供铰链和绝缘电线的组合,其中铰链能够闭合并且打开至少90°的角度,绝缘电线由铰链固定,以便当所述铰链关闭时折叠并展开 当所述铰链打开时,包含氟聚合物如四氟乙烯/六氟丙烯共聚物或四氟乙烯/全氟(甲基乙烯基醚)/全氟(丙基乙烯基醚)共聚物的丝线上的绝缘体,每个聚合物的熔点为260至290℃ C.和MIT Flex Life至少约15,000个周期,该铰链在诸如膝上型计算机或蛤壳式手机的电子设备中有用,将键盘和屏幕部分彼此附接,绝缘体能够重复打开和关闭 的铰链不破裂绝缘。

    Hinge with insulated wire for electronic devices
    8.
    发明申请
    Hinge with insulated wire for electronic devices 有权
    用于电子设备的绝缘线铰链

    公开(公告)号:US20080090065A1

    公开(公告)日:2008-04-17

    申请号:US11973528

    申请日:2007-10-09

    摘要: The combination of a hinge and an insulated wire is provided, wherein the hinge is capable of closing and opening to an angle of at least 90°, the insulated wire being secured by the hinge so as to fold when said hinge is closed and to unfold when said hinge is opened, the insulation on the wire comprising fluoropolymer, such as tetrafluoroethylene/-hexafluoropropylene copolymer or tetrafluoroethylene/perfluoro(methyl vinyl ether)/perfluoro(propyl vinyl ether) copolymer, each polymer having a melting point of 260 to 290° C. and MIT Flex Life of at least about 15,000 cycles, the hinge being useful in such electronic devices as a laptop computer or a clamshell cell phone, attaching the keyboard and screen portion to one another, the insulation being capable of repeated opening and closing of the hinge without cracking of the insulation.

    摘要翻译: 提供铰链和绝缘电线的组合,其中铰链能够闭合并且打开至少90°的角度,绝缘电线由铰链固定,以便当所述铰链关闭时折叠并展开 当所述铰链打开时,包含氟聚合物如四氟乙烯/六氟丙烯共聚物或四氟乙烯/全氟(甲基乙烯基醚)/全氟(丙基乙烯基醚)共聚物的丝线上的绝缘体,每个聚合物的熔点为260至290℃ C.和MIT Flex Life至少约15,000个周期,该铰链在诸如膝上型计算机或蛤壳式手机的电子设备中有用,将键盘和屏幕部分彼此附接,绝缘体能够重复打开和关闭 的铰链不破裂绝缘。

    Foamable fluoropolymer composition
    9.
    发明授权
    Foamable fluoropolymer composition 有权
    可发泡含氟聚合物组合物

    公开(公告)号:US08178592B2

    公开(公告)日:2012-05-15

    申请号:US12775506

    申请日:2010-05-07

    IPC分类号: C08J9/00 C08J9/12 C08F214/26

    摘要: A foamable fluoropolymer composition containing foam cell nucleating agent is provided, wherein the fluoropolymer comprises melt-fabricable tetrafluoroethylene-/hexafluoropropylene copolymer and tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, wherein the alkyl contains 1 to 4 carbon atoms, wherein the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer is no more than 35° C. greater than the melting temperature of said tetrafluoroethylene/hexafluoropropylene copolymer, and/or wherein said tetrafluoroethylene/hexafluoropropylene copolymer and said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer each have a melt flow rate (MFR) within the range of 1 to 40 g/10 min and the MFR of one of said copolymers is at least twice that of the other of said copolymers.

    摘要翻译: 提供了一种含发泡体成核剂的发泡性含氟聚合物组合物,其中含氟聚合物包括可熔融制造的四氟乙烯/六氟丙烯共聚物和四氟乙烯/全氟(烷基乙烯基醚)共聚物,其中烷基含有1至4个碳原子, 所述四氟乙烯/全氟(烷基乙烯基醚)共聚物不大于所述四氟乙烯/六氟丙烯共聚物的熔融温度35℃以上,和/或其中所述四氟乙烯/六氟丙烯共聚物和所述四氟乙烯/全氟(烷基乙烯基醚)共聚物 各自的熔体流动速率(MFR)在1至40g / 10min的范围内,所述共聚物之一的MFR至少是所述共聚物中的另一种的MFR的两倍。

    Extrusion of a Foamable Fluoropolymer
    10.
    发明申请
    Extrusion of a Foamable Fluoropolymer 审中-公开
    可发泡含氟聚合物的挤出

    公开(公告)号:US20080161435A1

    公开(公告)日:2008-07-03

    申请号:US11959631

    申请日:2007-12-19

    IPC分类号: C08J9/228

    摘要: A process for making an extruded foamable composition is disclosed where the foamable composition includes a partially-crystalline melt processable perfluoropolymer and a foam nucleating package. The process makes a foamed product having uniform foam cell size at high speeds without loss of product quality.

    摘要翻译: 公开了制造挤出的可发泡组合物的方法,其中可发泡组合物包括部分结晶的可熔融加工的全氟聚合物和泡沫成核包装。 该方法使得泡沫产品在高速下具有均匀的泡沫泡孔尺寸,而不损失产品质量。