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    Polytetrafluoroethylene mixed powder used for insulation of product for high frequency signal transmission and product for high frequency signal transmission using the same
    1.
    发明授权
    Polytetrafluoroethylene mixed powder used for insulation of product for high frequency signal transmission and product for high frequency signal transmission using the same 有权
    聚四氟乙烯混合粉末用于高频信号传输产品的绝缘，产品用于高频信号传输使用

    公开(公告)号：US06987224B2

    公开(公告)日：2006-01-17

    申请号：US10311063

    申请日：2001-05-29

    Applicant: Katsutoshi Yamamoto ,  Hiroyuki Yoshimoto ,  Kazuo Ishiwari ,  Shinichi Yano

    Inventor： Katsutoshi Yamamoto ,  Hiroyuki Yoshimoto ,  Kazuo Ishiwari ,  Shinichi Yano

    IPC: H01B7/34

    CPC classification number: H05K1/0373 ,  C08L27/18 ,  C08L2205/02 ,  H01B3/445 ,  H05K1/024 ,  H05K2201/015 ,  H05K2201/0212 ,  C08L2666/04

    Abstract: A polytetrafluoroethylene mixed powder, which is obtained by mixing low molecular weight polytetrafluoroetylene powder and high molecular weight polytetrafluoroethylene powder obtained by emulsion polymerization of tetrafluoroethylene, wherein the low molecular weight polytetrafluoroetylene powder has a number average molecular weight of 1,000,000±500,000 and a maximum peak temperature of 327±5° C. in the endothermic curve appearing on the crystalline melting curve obtained by using a differential scanning calorimeter, the high molecular weight polytetrafluoroetylene powder has a number average molecular weight of 4,500,000±1,000,000 and a maximum peak temperature of 340±7° C. in the endothermic curve appearing on the crystalline melting curve obtained by using a differential scanning calorimeter, and the mixed powder has evident peak temperatures of 327±5° C. and 340±7° C. in the endothermic curve appearing on the crystalline melting curve obtained by using a differential scanning calorimeter.

    Abstract translation: 通过混合低分子量聚四氟乙烯粉末和通过四氟乙烯的乳液聚合获得的高分子量聚四氟乙烯粉末获得的聚四氟乙烯混合粉末，其中低分子量聚四氟乙烯粉末的数均分子量为1,000,000±500,000，最大峰值温度 在通过使用差示扫描量热计获得的结晶熔融曲线上出现的吸热曲线中为327±5℃，高分子量聚四氟乙烯粉末的数均分子量为4,500,000±1,000,000，最大峰值温度为340±7 在通过使用差示扫描量热计获得的结晶熔融曲线上出现的吸热曲线中，混合粉末在出现在吸热曲线上的吸热曲线中具有327±5℃和340±7℃的明显峰值温度 通过使用差示扫描获得的结晶熔解曲线 安瓿量热仪

    Fluoropolymer laminate
    6.
    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

    Applicant: Tatsuya Higuchi ,  Hidenori Ozaki ,  Takahiro Kitahara ,  Kazuo Ishiwari

    Inventor： Tatsuya Higuchi ,  Hidenori Ozaki ,  Takahiro Kitahara ,  Kazuo Ishiwari

    IPC: B32B2700

    CPC classification number: B32B27/08 ,  B32B1/08 ,  B32B27/32 ,  B32B2323/04 ,  B32B2439/00 ,  Y10T428/1383 ,  Y10T428/139 ,  Y10T428/1393 ,  Y10T428/3154

    Abstract: 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.

    Abstract translation: 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
    7.
    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

    Applicant: Takahiro Kitahara ,  Kozo Asano ,  Kazuo Ishiwari ,  Yoshihide Higashihata ,  Tatsuya Higuchi

    Inventor： Takahiro Kitahara ,  Kozo Asano ,  Kazuo Ishiwari ,  Yoshihide Higashihata ,  Tatsuya Higuchi

    IPC: C08F21426

    CPC classification number: B32B27/08 ,  B32B1/08 ,  B32B15/085 ,  B32B27/322 ,  B32B27/34 ,  B32B27/38 ,  B32B2327/18 ,  B32B2363/00 ,  B32B2377/00 ,  B32B2597/00 ,  C08F214/265 ,  H01L31/048 ,  Y02E10/50 ,  Y10T428/3154 ,  Y10T428/31544

    Abstract: 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.

    Abstract translation: 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。

    Electrophotographic printer and printing method using specific intermediate transfer drum and transfer roller arrangement
    8.
    发明授权
    Electrophotographic printer and printing method using specific intermediate transfer drum and transfer roller arrangement 失效
    电子照相打印机和打印方法使用特定的中间转印鼓和转印辊布置

    公开(公告)号：US5784677A

    公开(公告)日：1998-07-21

    申请号：US656527

    申请日：1996-05-31

    Applicant: Yoshihiro Tamura ,  Hidetoshi Hara ,  Yuichi Nakao ,  Kazuo Ishiwari

    Inventor： Yoshihiro Tamura ,  Hidetoshi Hara ,  Yuichi Nakao ,  Kazuo Ishiwari

    IPC: B41J2/525 ,  G03G15/00 ,  G03G15/01 ,  G03G15/10 ,  G03G15/16 ,  G03G15/20

    CPC classification number: G03G15/1605 ,  G03G15/0121 ,  G03G15/0131 ,  G03G15/0173 ,  G03G2215/018 ,  G03G2215/0626

    Abstract: An electrophotographic printer includes: a photosensitive drum; a latent image forming portion for forming electrostatic latent images on the photosensitive drum based on print information; a developing portion for developing the electrostatic latent images using toner; an intermediate transfer drum for receiving the toner images from the photosensitive drum; a transportation portion for delivering a recording medium; and a transfer roll for transferring the toner image from the intermediate transfer roll to the recording medium. A pressure force P.sub.1 between the photosensitive drum and the intermediate transfer drum is less than a pressure force P.sub.2 between the transfer roll and the intermediate transfer drum. P.sub.1 and P.sub.2 may also have the relationship P.sub.1 .gtoreq.P.sub.2 sin.theta., where .theta. is an angle formed between a line through the centers of rotation of the intermediate transfer drum and the transfer roll, and a line perpendicular to a line through the centers of rotation of the photosensitive drum and the intermediate transfer drum. The transfer roll may be separated from the intermediate transfer drum when the image is transferred from the photosensitive drum to the intermediate transfer drum.

    Abstract translation: 电子照相打印机包括：感光鼓; 用于基于打印信息在感光鼓上形成静电潜像的潜像形成部分; 显影部分，用于使用调色剂显影静电潜像; 用于从感光鼓接收调色剂图像的中间转印鼓; 用于传送记录介质的传送部分; 以及用于将调色剂图像从中间转印辊转印到记录介质的转印辊。 感光鼓和中间转印鼓之间的压力P1小于转印辊和中间转印鼓之间的压力P2。 P1和P2也可以具有P1> / =P2sinθ的关系，其中θ是通过中间转印鼓和转印辊的旋转中心的线之间形成的角度，以及垂直于通过中心的线的线 感光鼓和中间转印鼓的旋转。 当图像从感光鼓转印到中间转印鼓时，转印辊可以与中间转印鼓分离。

    Meltable fluorine-containing resin composition
    9.
    发明授权
    Meltable fluorine-containing resin composition 失效
    含氟的含氟树脂组合物

    公开(公告)号：US5179167A

    公开(公告)日：1993-01-12

    申请号：US417303

    申请日：1989-10-05

    Applicant: Kazuo Ishiwari ,  Tsuyoshi Noguchi

    Inventor： Kazuo Ishiwari ,  Tsuyoshi Noguchi

    IPC: C08L27/12 ,  C08F14/28 ,  C08F214/28 ,  C08L27/18 ,  C08L57/00

    CPC classification number: C08L27/18

    Abstract: A meltable fluorine-containing resin composition comprising(A) a copolymer which has a molecular weight distribution peak in a lower molecular weight region and is selected from the group consisting of a tetrafluoroethylene/hexafluoropropylene copolymer and a copolymer of tetrafluorethylene and at least one fluorovinyl ether of the formula:CF.sub.2 .dbd.CF--O--R.sub.f wherein R.sub.f is a fluoroalkyl group having 1 to 10 carbon atoms, and(B) a copolymer which has a molecular weight distribution peak in a higher molecular weight region and is selected from the group consisting of a tetrafluoroethylene/hexafluoropropylene copolymer and a copolymer of tetrafluoroethylene and at least one fluorovinyl ehter of the formula:CF.sub.2 .dbd.CF--O--R.sub.f wherein R.sub.f is the same as defined above, which has good mechanical properties and molding properties.

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