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1. 发明授权

US06531557B1 Modified polytetrafluoroethylene fine powder and method for the production of the same 有权
标题翻译：改性聚四氟乙烯细粉及其制备方法
公开(公告)号：US06531557B1
公开(公告)日：2003-03-11
申请号：US09242272
申请日：1999-03-12
申请人： Kazutaka Hosokawa , Yoshinori Nanba , Takahisa Aoyama , Tetsuo Shimizu
发明人： Kazutaka Hosokawa , Yoshinori Nanba , Takahisa Aoyama , Tetsuo Shimizu
IPC分类号： C08F21426
CPC分类号： C08F214/262
摘要： A modified polytetrafluoroethylene fine powder containing agglomerates of colloidal particles with an average particle size of from 0.05 to 0.5 &mgr;m which comprise a copolymer of tetrafluoroethylene and an olefin-monomer represented by X(CF2)nOCF═CF2 in which X is a hydrogen atom, a fluorine atom or a chlorine atom, and n is an integer of 1 to 6, and/or C3F7(OCF2CF2CF2)m[OCF(CF3)CF2]pOCF═CF2 in which m and p are independently an integer of 0 to 4, provided that the sum of m and p is not 0 (zero), a content of the olefin monomer being from 0.02 to 0.3 wt. %, wherein the copolymer has a molecular weight distribution Mw/Mn of from 1.5 to 4.5 and a standard specific gravity of from 2.135 to 2.175. This modified polytetrafluoroethylene has good paste extrudability, and provides molded articles having good mechanical properties, in particular, pressure resistance.
摘要翻译：一种改性聚四氟乙烯细粉末，其含有平均粒径为0.05〜0.5μm的胶体粒子的附聚物，其包含由X（CF 2）n OCF = CF 2（其中X为氢原子）表示的四氟乙烯与烯烃单体的共聚物，氟原子或氯原子，n为1〜6的整数，和/或C 3 F 7（OCF 2 CF 2 CF 2）m [OCF（CF 3）CF 2] p OCF = CF 2，其中m和p分别为0〜4的整数， m和p的和不为0（零），烯烃单体的含量为0.02-0.3重量％。％，其中共聚物的分子量分布Mw / Mn为1.5〜4.5，标准比重为2.135〜2.175。该改性聚四氟乙烯具有良好的糊料挤出性，并提供具有良好机械性能，特别是耐压性的模制品。

2. 发明授权

US06747108B1 Modified polytetrafluoroethylene fine powder and process for preparing the same 有权
标题翻译：改性聚四氟乙烯细粉及其制备方法
公开(公告)号：US06747108B1
公开(公告)日：2004-06-08
申请号：US09743573
申请日：2001-01-12
申请人： Kazutaka Hosokawa , Tatsuro Uchida , Shinichi Yano , Yoshinori Nanba
发明人： Kazutaka Hosokawa , Tatsuro Uchida , Shinichi Yano , Yoshinori Nanba
IPC分类号： C08F200
CPC分类号： C08F2/38 , C08F214/262
摘要： In the preparation of a modified polytetrafluoroethylene fine powder by polymerizing tetrafluoroethylene in an aqueous medium in the presence of a water soluble fluorine-containing dispersant, a fluoroalkyl vinyl ether is added to a reaction system at latest at a start of a reaction and a copolymerization reaction of the fluoroalkyl vinyl ether with tetrafluoroethylene is initiated, and a chain transfer agent is added to the reaction system after at least 80% of tetrafluoroethylene to be polymerized is consumed. The obtained modified polytetrafluoroethylene fine powder has good molding properties, in particular, extrusion properties, and high heat resistance.
摘要翻译：在水溶性含氟分散剂存在下，通过在水性介质中聚合四氟乙烯来制备改性聚四氟乙烯细粉末，最初在反应开始时向反应体系中加入氟烷基乙烯基醚，并进行共聚反应的氟代烷基乙烯基醚与四氟乙烯引发，并且在消耗待聚合的四氟乙烯的至少80％之后，向反应体系中加入链转移剂。得到的改性聚四氟乙烯细粉具有良好的成型性，特别是挤出性，耐热性高。

3. 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。

4. 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。

5. 发明授权

US09096701B2 Aqueous tetrafluoroethylene polymer dispersion, process for producing the same, tetrafluoroethylene polymer powder, and molded tetrafluoroethylene polymer 有权
标题翻译：四氟乙烯聚合物水分散体，其制备方法，四氟乙烯聚合物粉末和四氟乙烯聚合物
公开(公告)号：US09096701B2
公开(公告)日：2015-08-04
申请号：US13599986
申请日：2012-08-30
申请人： Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08F214/26 , C08F14/26
CPC分类号： C08F214/26 , C08F14/26 , C08F2/16
摘要： The present invention provides a tetrafluoroethylene polymer aqueous dispersion obtained by carrying out a TFE polymerization in an aqueous medium in the presence of a fluorovinyl group-containing emulsifier, wherein the TFE polymer aqueous dispersion contains a particle comprising a TFE polymer dispersed in the aqueous medium, the fluorovinyl group-containing emulsifier comprises a fluorovinyl group-containing compound, and the TFE polymer aqueous dispersion has a fluorine-containing surfactant content of not higher than 1000 ppm by mass.
摘要翻译：本发明提供一种四氟乙烯聚合物水分散体，其通过在含氟乙烯基的乳化剂的存在下在水性介质中进行TFE聚合而得到，其中TFE聚合物水分散体含有包含分散在水性介质中的TFE聚合物的颗粒，含有氟乙烯基的乳化剂含有含氟乙烯基的化合物，TFE聚合物水性分散体的含氟表面活性剂含量不高于1000质量ppm。

6. 发明申请

US20060223924A1 Method for producing fluorine-containing ploymer, aqueous dispersion of fluorine-containing polymer,2-acyloxycarboxylic acid derivative , and surface active agent 有权
标题翻译：含氟聚合物的制造方法，含氟聚合物的水分散体，2-酰氧基羧酸衍生物，表面活性剂
公开(公告)号：US20060223924A1
公开(公告)日：2006-10-05
申请号：US10564642
申请日：2004-07-16
申请人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08K5/09 , C07C69/66
CPC分类号： C08F20/22 , C07C69/63 , C08F14/18 , C08K5/10 , C08F2/10
摘要： The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH4, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.
摘要翻译：本发明提供一种含氟聚合物的制造方法，其中在水性介质中使用含羧酸酯键的羧酸衍生物作为表面活性剂进行聚合，得到含氟聚合物，上述含羧酸酯键的羧酸衍生物具有羧酸盐酯键和-COOM（M代表H，NH 4，Li，Na或K），上述羧酸酯键可任选被氟原子取代。

7. 发明授权

US07754796B2 Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, 2-acyloxycarboxylic acid derivative, and surface active agent. 有权
标题翻译：含氟聚合物的制造方法，含氟聚合物的水分散体，2-酰氧基羧酸衍生物和表面活性剂。
公开(公告)号：US07754796B2
公开(公告)日：2010-07-13
申请号：US12494208
申请日：2009-06-29
申请人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08K5/09 , C08K5/10 , C08F2/26 , C08F14/18 , C08G73/24
CPC分类号： C08F20/22 , C07C69/63 , C08F14/18 , C08K5/10 , C08F2/10
摘要： The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH4, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.
摘要翻译：本发明提供一种含氟聚合物的制造方法，其中在水性介质中使用含羧酸酯键的羧酸衍生物作为表面活性剂进行聚合，得到含氟聚合物，上述含羧酸酯键的羧酸衍生物具有羧酸盐酯键和-COOM（M代表H，NH4，Li，Na或K），上述羧酸酯键可以任选被氟原子取代。

8. 发明申请

US20070142513A1 Surfactant, method of producing a fluoropolymer, fluoropolymer aqueous dispersion 审中-公开
标题翻译：表面活性剂，含氟聚合物的制造方法，含氟聚合物水性分散体
公开(公告)号：US20070142513A1
公开(公告)日：2007-06-21
申请号：US11312570
申请日：2005-12-21
申请人： Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08K5/42
CPC分类号： C08K5/42
摘要： The present invention provides a surfactant making it possible to obtain particles comprising a fluoropolymer at a size smaller in diameter in an aqueous dispersion obtained by polymerization in the presence of the same. The present invention is a surfactant comprising a fluorine-containing-sulfobutanedioic-acid-ester derivative represented by the general formula (i): Y—Rf1—(CH2)m—OCOCH(SO3M)-CH2COO—(CH2)n—Rf2—Y (i) wherein Y represents hydrogen atom or fluorine atom; when Y is hydrogen atom, one of Rf1 and Rf2 is —(CF2CF2)3— and the other is —(CF2CF2)2— or —(CF2CF2)3— and, when Y is fluorine atom, Rf1 and Rf2 are the same or different and each is a divalent hydrocarbon group containing 1 to 4 carbon atoms and containing at least one fluorine atom; m and n are the same or different and each represents an integer of 1 to 3; and M represents NH4, Li, Na, K or H.
摘要翻译：本发明提供了一种表面活性剂，其可以获得包含通过在其存在下通过聚合获得的水分散体中的直径小的含氟聚合物的颗粒。本发明是包含由通式（i）表示的含氟磺基丁二酸 - 酯衍生物的表面活性剂：＆lt;线内配方说明=“在线式”末端=“铅”→> Y - （CH 2） - （O 3 M）-CH 2 - （CH 2）＆lt;＆lt;＆lt; COO-（CH 2）＆gt;＆lt; 2＆lt; 2＆lt; 2＆gt; -Y（i）其中Y代表氢原子或氟原子; 当Y是氢原子时，Rf 1和Rf 2之一是 - （CF 2 CH 2 CH 2）（CF 2）2 - 或 - （CF 2）2 - - - （CF 2）2 - R 2和R 2可以相同或不同，并且当Y是氟原子时，R f'1和R f'2 < 各自是含有1至4个碳原子并含有至少一个氟原子的二价烃基; m和n相同或不同，各自表示1〜3的整数。 M表示NH 4，Li，Na，K或H.

9. 发明授权

US08067528B2 Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, 2-acyloxycarboxylic acid derivative, and surface active agent 有权
标题翻译：含氟聚合物的制造方法，含氟聚合物的水分散体，2-酰氧基羧酸衍生物和表面活性剂
公开(公告)号：US08067528B2
公开(公告)日：2011-11-29
申请号：US12788214
申请日：2010-05-26
申请人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08G73/24 , C08G63/00 , C08K5/09 , C08K5/10 , C08F14/18 , C08F2/26
CPC分类号： C08F20/22 , C07C69/63 , C08F14/18 , C08K5/10 , C08F2/10
摘要： The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH4, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.
摘要翻译：本发明提供一种含氟聚合物的制造方法，其中在水性介质中使用含羧酸酯键的羧酸衍生物作为表面活性剂进行聚合，得到含氟聚合物，上述含羧酸酯键的羧酸衍生物具有羧酸盐酯键和-COOM（M代表H，NH4，Li，Na或K），上述羧酸酯键可以任选被氟原子取代。

10. 发明授权

US07569631B2 Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer,2-acyloxycarboxylic acid derivative, and surface active agent 有权
标题翻译：含氟聚合物的制造方法，含氟聚合物的水分散体，2-酰氧基羧酸衍生物和表面活性剂
公开(公告)号：US07569631B2
公开(公告)日：2009-08-04
申请号：US10564642
申请日：2004-07-16
申请人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
发明人： Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
IPC分类号： C08K5/09 , C08K5/10 , C08F2/26 , C08F14/18 , C08G73/24
CPC分类号： C08F20/22 , C07C69/63 , C08F14/18 , C08K5/10 , C08F2/10
摘要： The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH4, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.
摘要翻译：本发明提供一种含氟聚合物的制造方法，其中在水性介质中使用含羧酸酯键的羧酸衍生物作为表面活性剂进行聚合，得到含氟聚合物，上述含羧酸酯键的羧酸衍生物具有羧酸盐酯键和-COOM（M代表H，NH4，Li，Na或K），上述羧酸酯键可以任选被氟原子取代。

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