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1. 发明授权

US07387834B2 Polytetrafluoroethylene fine powder of particular specific standard gravity, polytetrafluoroethylene formed article prepared from the same and method for preparation of the same 有权
标题翻译：聚四氟乙烯细粉特别具体标准重力，聚四氟乙烯制成的制品与制备方法相同
公开(公告)号：US07387834B2
公开(公告)日：2008-06-17
申请号：US10485352
申请日：2002-08-01
申请人： Tetsuo Shimizu , Michio Asano , Makoto Ono , Yoshinori Nanba , Shunji Kasai , Shinichi Yano , Hiroyuki Yoshimoto
发明人： Tetsuo Shimizu , Michio Asano , Makoto Ono , Yoshinori Nanba , Shunji Kasai , Shinichi Yano , Hiroyuki Yoshimoto
IPC分类号： B32B5/16 , B05D7/00
CPC分类号： C08J3/12 , C08J2327/18 , Y10T428/2991 , Y10T428/3154
摘要： The present invention provides a polytetrafluoroethylene molded article, particularly a PTFE molded article for high-frequency insulation, which is excellent in various electric properties and mechanical properties in a high frequency range of 3 to 30 GHz. The present invention also provides PTFE fine powder, which is excellent in extrusion moldability and capable of providing the molded article, and a process for preparing the same. More specifically, the present invention relates to a polytetrafluoroethylene fine powder having a standard specific gravity of 2.180 to 2.225, which is obtained by contacting polytetrafluoroethylene fine powder having a standard specific gravity of 2.180 to 2.225 with a fluorine radical source, wherein tanδ at 12 GHz of a film comprising the powder, which is obtained by cooling at 5 to 50° C./second after baking, is at most 2.0×10−4.
摘要翻译：本发明提供一种聚四氟乙烯模塑制品，特别是用于高频绝缘的PTFE模塑制品，其在3至30GHz的高频范围内具有优异的各种电性能和机械性能。本发明还提供挤出成型性优异且能够提供成形品的PTFE细粉及其制备方法。更具体地说，本发明涉及通过使具有2.180至2.225标准比重的聚四氟乙烯细粉与氟根源接触而获得的标准比重为2.180至2.225的聚四氟乙烯细粉，其中12GHz处的tandelta 包含通过在烘烤后以5至50℃/秒冷却获得的粉末的薄膜的含量为至多2.0×10 -4。

2. 发明授权

US07129298B2 Tetrafluoroethylene based resin molding material excellent in high frequency electric characteristics 有权
标题翻译：四氟乙烯基树脂成型材料具有优异的高频电特性
公开(公告)号：US07129298B2
公开(公告)日：2006-10-31
申请号：US10333821
申请日：2001-08-02
申请人： Makoto Ono , Michio Asano , Yoshinori Nanba , Shunji Kasai , Hiroyuki Yoshimoto , Shinichi Yano , Tetsuo Shimizu
发明人： Makoto Ono , Michio Asano , Yoshinori Nanba , Shunji Kasai , Hiroyuki Yoshimoto , Shinichi Yano , Tetsuo Shimizu
IPC分类号： C08F14/26
CPC分类号： C09D127/18 , C08F259/08 , C08L27/18 , Y10T428/3154 , C08F214/18 , C08F214/28
摘要： The present invention provides a TFE resin molding material which has electric characteristics, particularly low dielectric dissipation factor, in a microwave area, can also lower extrusion pressure as the material is of low molecular weight and can provide a molded article excellent in surface smoothness. The material is especially useful as a coating material for a coaxial cable for equipment in which microwave is used, including satellite transmitting equipment and a cell phone base station. A tetrafluoroethylene resin molding material excellent in high frequency electric characteristics, which provides a molded article having a dielectric constant of at most 2.2 and a dielectric dissipation factor of at most 1.60×10−4 under 12 GHz, and a standard specific gravity of at least 2.192 and less than 2.3 is provided. As the tetrafluoroethylene resin, a tetrafluoroethylene homopolymer or a copolymer of 99.9 to 99.9999% by mole of tetrafluoroethylene and 0.0001 to 0.1% by mole of a specific fluoromonomer is used.
摘要翻译：本发明提供一种在微波区域具有电特性，特别是低介电损耗因数的TFE树脂成型材料，还可以降低挤出压力，因为该材料具有低分子量，并且可提供表面平滑性优异的成型体。该材料作为用于其中使用微波的设备的同轴电缆的涂层材料是特别有用的，包括卫星发射设备和蜂窝电话基站。一种高频电特性优异的四氟乙烯树脂成型材料，其提供介电常数为2.2以下的介电损耗因数和12GHz以下的1.60×10 -4以下的介电损耗因数，提供了至少2.192和小于2.3的标准比重。作为四氟乙烯树脂，使用四氟乙烯均聚物或99.9〜99.9999摩尔％的四氟乙烯和0.0001〜0.1摩尔％的特定含氟单体的共聚物。

3. 发明申请

US20080281067A1 Modified Polytetrafluoroethylene Powder and Method for Producing Tetrafluoroethylene Polymer 有权
标题翻译：改性聚四氟乙烯粉末及其生产方法
公开(公告)号：US20080281067A1
公开(公告)日：2008-11-13
申请号：US11547557
申请日：2005-04-04
申请人： Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
发明人： Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
IPC分类号： C08F214/26
CPC分类号： C08F214/26 , C08F14/26 , C08F214/262 , C08F259/08 , H05K1/024 , H05K1/0373 , H05K2201/015 , H05K2201/0212 , Y10T428/3154 , C08F2/00
摘要： The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10−4 and (2) a cylinder extrusion pressure of not higher than 45 MPa at a reduction ratio of 1600.
摘要翻译：本发明提供了具有成型性/加工性以及微波带的电特性的聚四氟乙烯粉末。本发明是一种改性的聚四氟乙烯粉末，它具有（1）在12GHz下的介电损耗角正切不高于2.0×10 -4，（2）气瓶挤压压力不高于45MPa 减速比为1600。

4. 发明授权

US08883313B2 Modified polytetrafluoroethylene powder and method for producing tetrafluoroethylene polymer 有权
标题翻译：改性聚四氟乙烯粉末及四氟乙烯聚合物的制造方法
公开(公告)号：US08883313B2
公开(公告)日：2014-11-11
申请号：US11547557
申请日：2005-04-04
申请人： Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
发明人： Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
IPC分类号： C08F259/08 , C08F214/26 , C08F14/26 , H05K1/03 , H05K1/02
CPC分类号： C08F214/26 , C08F14/26 , C08F214/262 , C08F259/08 , H05K1/024 , H05K1/0373 , H05K2201/015 , H05K2201/0212 , Y10T428/3154 , C08F2/00
摘要： The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10−4 and (2) a cylinder extrusion pressure of not higher than 45 MPa at a reduction ratio of 1600.
摘要翻译：本发明提供了具有成型性/加工性以及微波带的电特性的聚四氟乙烯粉末。本发明是一种改性聚四氟乙烯粉末，其具有（1）在12GHz下的介电损耗角正切不高于2.0×10-4，（2）压缩比为1600时的气缸挤压压力不高于45MPa。

5. 发明授权

US07820775B2 Tetrafluoroethylene polymer and aqueous dispersion thereof 有权
标题翻译：四氟乙烯聚合物及其水分散体
公开(公告)号：US07820775B2
公开(公告)日：2010-10-26
申请号：US12296865
申请日：2007-04-13
申请人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
发明人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
IPC分类号： C08F14/18
CPC分类号： C08F114/26 , C08F14/26 , C08F214/26 , Y10T428/3154 , Y10T428/31544 , C08F2/22
摘要： The invention provides a TFE polymer capable of providing stretched materials excellent in membrane homogeneity. The present invention is related to a tetrafluoroethylene polymer having stretchability and non-melt-processability and having a standard specific gravity of 2.140 to 2.165, wherein, with regard to the heat-of-fusion curve obtained by subjecting the tetrafluoroethylene polymer in the form of an unbaked polymer to be measured having no history of being heated to a temperature of 300° C. or higher to differential scanning calorimetry at a programming rate of 2° C./minute, the ratio S2/S1 is not lower than 0.90.
摘要翻译：本发明提供能够提供膜均匀性优异的拉伸材料的TFE聚合物。本发明涉及具有拉伸性和非熔融加工性，标准比重为2.140〜2.165的四氟乙烯聚合物，其中，对于通过使四氟乙烯聚合物以在2℃/分钟的编程速度下，将没有被加热到300℃以上的温度的历史记录到差示扫描量热法中，待测量的未焙烧聚合物的比例S2 / S1不低于0.90。

6. 发明授权

US08865839B2 Polytetrafluoroethylene mixture 有权
标题翻译：聚四氟乙烯混合物
公开(公告)号：US08865839B2
公开(公告)日：2014-10-21
申请号：US13996039
申请日：2011-12-21
申请人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
发明人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
IPC分类号： C08L27/12 , C08F14/18 , C08J5/18 , C08L29/10 , C08L27/18
CPC分类号： C08L29/10 , B01D67/0027 , B01D71/36 , B01D2323/12 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/025
摘要： Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa or higher.
摘要翻译：可以容易地进行双轴取向，即使以高拉伸比均匀拉伸的材料，也可以形成低压降的聚四氟乙烯多孔膜。本发明涉及聚四氟乙烯混合物，其包含：改性聚四氟乙烯; 和可原纤维聚四氟乙烯均聚物，具有挤出压力的改性聚四氟乙烯以减压比1600为70MPa以上。

7. 发明申请

US20130281558A1 POLYTETRAFLUOROETHYLENE MIXTURE 有权
标题翻译：聚四氟乙烯混合物
公开(公告)号：US20130281558A1
公开(公告)日：2013-10-24
申请号：US13996039
申请日：2011-12-21
申请人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
发明人： Yasuhiko Sawada , Shunji Kasai , Taku Yamanaka , Makoto Ono , Yoshiyuki Shibuya , Kunihiko Inui , Shinichi Chaen
IPC分类号： C08L29/10
CPC分类号： C08L29/10 , B01D67/0027 , B01D71/36 , B01D2323/12 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/025
摘要： Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a polytetrafluoroethylene porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the modified polytetrafluoroethylene having an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 70 MPa or higher.
摘要翻译：可以容易地进行双轴取向，即使以高拉伸比均匀拉伸的材料，也可以形成低压降的聚四氟乙烯多孔膜。本发明涉及聚四氟乙烯混合物，其包含：改性聚四氟乙烯; 和可原纤维聚四氟乙烯均聚物，具有挤出压力的改性聚四氟乙烯以减压比1600为70MPa以上。

8. 发明申请

US20090281231A1 TETRAFLUOROETHYLENE POLYMER AND AQUEOUS DISPERSION THEREOF 有权
标题翻译：四氢氟乙烯聚合物及其分散体
公开(公告)号：US20090281231A1
公开(公告)日：2009-11-12
申请号：US12296865
申请日：2007-04-13
申请人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
发明人： Shunji Kasai , Makoto Ono , Taku Yamanaka , Yasuhiko Sawada
IPC分类号： C08F214/26 , C08L27/18
CPC分类号： C08F114/26 , C08F14/26 , C08F214/26 , Y10T428/3154 , Y10T428/31544 , C08F2/22
摘要： The invention provides a TFE polymer capable of providing stretched materials excellent in membrane homogeneity. The present invention is related to a tetrafluoroethylene polymer having stretchability and non-melt-processability and having a standard specific gravity of 2.140 to 2.165, wherein, with regard to the heat-of-fusion curve obtained by subjecting the tetrafluoroethylene polymer in the form of an unbaked polymer to be measured having no history of being heated to a temperature of 300° C. or higher to differential scanning calorimetry at a programming rate of 2° C./minute, the ratio between the amount of heat, S2 mJ/mg, absorbed within the temperature range of from the temperature T0° C., which is lower by 2.5° C. than the temperature Tp° C. corresponding to the minimum point on the curve (provided that 340≦Tp≦345), up to 350° C., and the amount of heat, S1 mJ/mg, absorbed within the temperature range of from 320° C. up to the above-mentioned T0° C., namely the ratio [S2/S1], is not lower than 0.90.
摘要翻译：本发明提供能够提供膜均匀性优异的拉伸材料的TFE聚合物。本发明涉及具有拉伸性和非熔融加工性，标准比重为2.140〜2.165的四氟乙烯聚合物，其中，对于通过使四氟乙烯聚合物以在2℃/分钟的编程速度下，没有被加热到300℃以上的温度的历史上未测定的未焙烧的聚合物，差示扫描量热法，热量之比S2mJ / mg 在与曲线上最小点相对应的温度Tp°C（比340 <= Tp <= 345）更低的温度T0°C的温度范围内吸收，高达350℃，在320℃至上述T0℃的温度范围内吸收的热量S1mJ / mg，即[S2 / S1]比为不低于0.90。

9. 发明申请

US20140200310A1 METHOD FOR PRODUCING AQUEOUS POLYTETRAFLUOROETHYLENE DISPERSION 有权
标题翻译：生产水性聚四氟乙烯分散体的方法
公开(公告)号：US20140200310A1
公开(公告)日：2014-07-17
申请号：US14239910
申请日：2012-08-27
申请人： Takahiro Taira , Taku Yamanaka , Yoshinori Nanba , Atsuko Tanaka , Makoto Ono , Nobuhiko Tsuda , Taketo Kato
发明人： Takahiro Taira , Taku Yamanaka , Yoshinori Nanba , Atsuko Tanaka , Makoto Ono , Nobuhiko Tsuda , Taketo Kato
IPC分类号： C08L27/18
CPC分类号： C08L27/18 , C08F2/22 , C08F2/24 , C08F2/26 , C08F2/30 , C08F114/26 , C08F214/26 , C08F214/262
摘要： The present invention aims to provide a novel method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles. The present invention relates to a method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles, the method including polymerizing tetrafluoroethylene in an aqueous medium in the presence of perfluoro hexanoic acid or its salt.
摘要翻译：本发明的目的在于提供一种含有不可熔融加工的聚四氟乙烯颗粒的水性分散体的新方法。本发明涉及含有不可熔融加工的聚四氟乙烯颗粒的水性分散体的制造方法，该方法包括在全氟己酸或其盐的存在下，在水性介质中聚合四氟乙烯。

10. 发明授权

US09580590B2 Method for producing aqueous polytetrafluoroethylene dispersion 有权
标题翻译：生产聚四氟乙烯水分散体的方法
公开(公告)号：US09580590B2
公开(公告)日：2017-02-28
申请号：US14239910
申请日：2012-08-27
申请人： Takahiro Taira , Taku Yamanaka , Yoshinori Nanba , Atsuko Tanaka , Makoto Ono , Nobuhiko Tsuda , Taketo Kato
发明人： Takahiro Taira , Taku Yamanaka , Yoshinori Nanba , Atsuko Tanaka , Makoto Ono , Nobuhiko Tsuda , Taketo Kato
IPC分类号： C08F14/26 , C08F214/26 , C08L27/18 , C08F114/26 , C08F2/24 , C08F2/22 , C08F2/30 , C08F2/26
CPC分类号： C08L27/18 , C08F2/22 , C08F2/24 , C08F2/26 , C08F2/30 , C08F114/26 , C08F214/26 , C08F214/262
摘要： The present invention aims to provide a novel method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles. The present invention relates to a method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles, the method including polymerizing tetrafluoroethylene in an aqueous medium in the presence of perfluoro hexanoic acid or its salt.
摘要翻译：本发明的目的在于提供一种含有不可熔融加工的聚四氟乙烯颗粒的水性分散体的新方法。本发明涉及含有不可熔融加工的聚四氟乙烯颗粒的水性分散体的制造方法，该方法包括在全氟己酸或其盐的存在下，在水性介质中聚合四氟乙烯。

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