公开(公告)号：US07592484B2

公开(公告)日：2009-09-22

申请号：US11587946

申请日：2005-04-26

申请人： Seiji Takubo ,  Takuji Kume ,  Akinori Yamamoto ,  Chie Sawauchi ,  Hisako Nakamura

发明人： Seiji Takubo ,  Takuji Kume ,  Akinori Yamamoto ,  Chie Sawauchi ,  Hisako Nakamura

IPC分类号： C07C51/58

CPC分类号： C01B32/00 ,  C01B32/80

摘要： The present invention relates to a method for producing carbonyl difluoride comprising a step of reacting trifluoromethane with oxygen or an oxygen-containing gas while heating.

摘要翻译： 本发明涉及一种生产羰基二氟化物的方法，包括在加热时使三氟甲烷与氧或含氧气体反应的步骤。

公开(公告)号：US20070155891A1

公开(公告)日：2007-07-05

申请号：US10582107

申请日：2004-12-09

申请人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

发明人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

IPC分类号： C08L27/12

CPC分类号： C08J3/03 ,  C08F6/16 ,  C08F14/26 ,  C08F214/26 ,  C08J2327/12 ,  C08L27/18 ,  C08L71/02 ,  C08L27/12 ,  C08F2/20 ,  C08L2666/14

摘要： The object of the present invention is a fluoropolymer aqueous dispersion showing only a moderate viscosity increase upon temperature rise and having a low fluorine-containing anionic surfactant concentration as well as a method of producing such fluoropolymer aqueous dispersion. The present invention provides a fluoropolymer aqueous dispersion comprising a particle comprising a fluoropolymer dispersed in an aqueous medium in the presence of a nonionic surfactant, wherein a supernatant for assaying as obtained by subjecting the fluoropolymer aqueous dispersion to 30 minutes of centrifugation at 25° C. and at a gravitational acceleration of 1677 G, when subjected to high-performance liquid chromatography [HPLC] under the conditions of a flow rate of 1.0 ml/minute and a column temperature of 40° C. using an acetonitrile/0.05 M aqueous solution of phosphoric acid (60/40% by volume) mixture as a developing solution, followed by detection at an absorption wavelength at which the nonionic surfactant can be identified, shows a ratio (A1/A0), which is the ratio between the total area (A0) under the detected line and the area (A1) under the detected line over a retention time period shorter than 16 minutes, of not lower than 0.4 and the supernatant for assaying has a fluorine-containing anionic surfactant content of not higher than 100 ppm.

摘要翻译： 本发明的目的是提供一种含氟聚合物水性分散体，其含氟聚合物水性分散体的制造方法，仅在温度上升时适度粘度上升，含氟阴离子表面活性剂浓度低的方法。 本发明提供一种含氟聚合物水分散体，其包含在非离子表面活性剂存在下分散在含水介质中的含氟聚合物的颗粒，其中通过在25℃下使含氟聚合物水分散体离心30分钟获得的上清液 并且在1677G的重力加速度下，在流速为1.0ml /分钟，柱温为40℃的条件下进行高效液相色谱[HPLC]，使用乙腈/0.0M的 磷酸（60/40体积％）混合物作为显影液，然后在可以鉴定非离子表面活性剂的吸收波长处进行检测，显示出比例（A≤0.1/ 0 ），其是在检测到的线下的总面积（A ^{0 ）与所检测到的线之间的面积（A 1 < 保留时间短于16分钟，不低于 0.4，测定用上清液的含氟阴离子表面活性剂含量不高于100ppm。}

公开(公告)号：US08299155B2

公开(公告)日：2012-10-30

申请号：US13034018

申请日：2011-02-24

申请人： Chie Sawauchi ,  Nobuhiko Tsuda ,  Wade Martin Simpson

发明人： Chie Sawauchi ,  Nobuhiko Tsuda ,  Wade Martin Simpson

IPC分类号： C04B24/22 ,  C08K5/095

CPC分类号： C09D127/18 ,  C08J3/05 ,  C08J2327/12 ,  C08K5/04 ,  C08K5/20 ,  C08K5/42 ,  C08L39/06 ,  C08L71/02 ,  C08L2666/04 ,  C08L2666/14

摘要： An object of the present invention is to provide an aqueous fluoropolymer dispersion inhibited from viscosity rising and excellent in mechanical stability in spite of a low fluorinated surfactant concentration. The invention provides an aqueous fluoropolymer dispersion comprising particles of a fluoropolymer as dispersed in an aqueous medium wherein a fluorinated surfactant (A) having a molecular weight lower than 1000 amounts to not higher than 100 ppm of the mass of the fluoropolymer, the aqueous fluoropolymer dispersion containing an anionic surfactant (B) other than the fluorinated surfactant (A) as well as a water-soluble polymer (C).

摘要翻译： 本发明的目的是提供尽管氟化表面活性剂浓度低的氟聚合物分散体，其粘度上升和机械稳定性优异。 本发明提供一种含氟聚合物分散体，其包含分散在水性介质中的含氟聚合物颗粒，其中分子量低于1000的氟化表面活性剂（A）的含量不超过100ppm，含氟聚合物水分散体 含有氟化表面活性剂（A）以外的阴离子表面活性剂（B）以及水溶性聚合物（C）。

公开(公告)号：US20100168301A1

公开(公告)日：2010-07-01

申请号：US11993564

申请日：2006-06-23

申请人： Chie Sawauchi ,  Nobuhiko Tsuda

发明人： Chie Sawauchi ,  Nobuhiko Tsuda

IPC分类号： C08K5/17 ,  C08J3/05

CPC分类号： C08K5/17 ,  C08J3/05 ,  C08J2327/12 ,  C08K5/095 ,  C08L27/18 ,  C08L71/02 ,  C08L27/12 ,  C08L2666/04

摘要： It is an object of the present invention to provide an aqueous fluoropolymer dispersion which will not send out any amine-like odor in spite of its having been brought into contact with an anion exchange resin as well as a method of producing the same.This invention is related to an aqueous fluoropolymer dispersion containing a nitrogen-containing organic base and/or a salt thereof, together with a particle of fluoropolymer dispersed therein wherein said nitrogen-containing organic base and/or the salt thereof amounts, in total, to 0 to 1 ppm of said aqueous fluoropolymer dispersion.

摘要翻译： 本发明的目的是提供一种即使与阴离子交换树脂接触也不会发出胺类气味的含氟聚合物水分散体及其制造方法。 本发明涉及包含含氮有机碱和/或其盐的含氟聚合物水分散体及其中分散的含氟聚合物颗粒，其中所述含氮有机碱和/或其盐总量相当于 0至1ppm的所述含氟聚合物水分散体。

公开(公告)号：US07696268B2

公开(公告)日：2010-04-13

申请号：US10577424

申请日：2004-10-29

申请人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

发明人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

IPC分类号： C08K5/42

CPC分类号： C08F6/20 ,  C08F6/16 ,  C08F14/18 ,  C08F14/26 ,  C08F214/26 ,  C08L27/12 ,  C08F2/16

摘要： The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.

摘要翻译： 本发明提供一种含氟聚合物水性分散体的制造方法，其中可以有效地除去聚合后得到的含氟聚合物水分散体中所含的含氟乳化剂以及含氟乳化剂浓度低的含氟聚合物水分散体。 本发明是一种含氟聚合物水性分散体的制造方法，其特征在于，进行包含预处理含氟聚合物水分散液的浓缩操作的浓缩处理，其中，所述预处理含氟聚合物水分散体是通过在水性介质中进行聚合而得到的 含氟表面活性剂（A）的含氟表面活性剂（A）为辛醇/水分配系数为1.5〜3.5的含氟表面活性剂。

公开(公告)号：US20090312443A1

公开(公告)日：2009-12-17

申请号：US12307304

申请日：2007-07-06

申请人： Chie Sawauchi ,  Nobuhiko Tsuda

发明人： Chie Sawauchi ,  Nobuhiko Tsuda

IPC分类号： B01J47/00

CPC分类号： C08F214/08 ,  C08F6/02 ,  C08F6/16 ,  C08F6/20 ,  C08F14/18 ,  C08L27/12 ,  C08F2/20 ,  C08F2/16

摘要： The present invention provides a method of obtaining good aqueous fluoropolymer dispersions low in fluorinated surfactant content by efficiently removing the fluorinated surfactant through pH adjustment. The present invention is related to a method of producing an aqueous fluoropolymer dispersion comprising a contact treatment for brining a raw aqueous fluoropolymer dispersion into contact with an anion exchanger, and the contact treatment being carried out while a pH of the raw aqueous fluoropolymer dispersion is adjusted to 2 to 9.

摘要翻译： 本发明提供通过pH调节有效地除去氟化表面活性剂而获得氟化表面活性剂含量低的含氟氟聚合物分散体的方法。 本发明涉及一种含氟聚合物含水分散体的制造方法，其特征在于，包括将原料含氟聚合物水性分散体与阴离子交换体接触的接触处理，在对所述原料含氟聚合物水分散体的pH进行调整的同时进行接触处理 至2至9。

公开(公告)号：US20090239994A1

公开(公告)日：2009-09-24

申请号：US12476172

申请日：2009-06-01

申请人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

发明人： Nobuhiko Tsuda ,  Chie Sawauchi ,  Yasuhiko Sawada ,  Tetsuo Shimizu

IPC分类号： C08L27/18

CPC分类号： C08F6/20 ,  C08F6/16 ,  C08F14/18 ,  C08F14/26 ,  C08F214/26 ,  C08L27/12 ,  C08F2/16

摘要： The present invention provides a method of producing a fluoropolymer aqueous dispersion by which the fluorine-containing emulsifier contained in the fluoropolymer aqueous dispersion as obtained after polymerization can be efficiently removed as well as a fluoropolymer aqueous dispersion low in fluorine-containing emulsifier concentration. The present invention is a method of producing a fluoropolymer aqueous dispersion which comprises carrying out a concentration treatment comprising a concentration operation of a pretreatment fluoropolymer aqueous dispersion, wherein the pretreatment fluoropolymer aqueous dispersion is obtained by carrying out a polymerization in an aqueous medium in the presence of a fluorine-containing surfactant (A), the fluorine-containing surfactant (A) is a fluorine-containing surfactant having an octanol/water partition coefficient of 1.5 to 3.5.

摘要翻译： 本发明提供一种含氟聚合物水性分散体的制造方法，其中可以有效地除去聚合后得到的含氟聚合物水分散体中所含的含氟乳化剂以及含氟乳化剂浓度低的含氟聚合物水分散体。 本发明是一种含氟聚合物水性分散体的制造方法，其特征在于，进行包含预处理含氟聚合物水分散液的浓缩操作的浓缩处理，其中，所述预处理含氟聚合物水分散体是通过在水性介质中进行聚合而得到的 含氟表面活性剂（A）的含氟表面活性剂（A）为辛醇/水分配系数为1.5〜3.5的含氟表面活性剂。

公开(公告)号：US08540901B2

公开(公告)日：2013-09-24

申请号：US13314237

申请日：2011-12-08

申请人： Chie Sawauchi ,  Nobuhiko Tsuda

发明人： Chie Sawauchi ,  Nobuhiko Tsuda

IPC分类号： H01B1/00 ,  C08L27/12

CPC分类号： C08J3/03 ,  C08J2327/12 ,  C09D127/18

摘要： The present invention provides an aqueous fluororesin dispersion comprising a melt-processable fluororesin which is low in fluorinated surfactant concentration and excellent in dispersion stability even when the concentration of the melt-processable fluororesin is high. The present invention is related to an aqueous fluororesin dispersion comprising a melt-processable fluororesin particle dispersed in an aqueous medium, wherein a concentration of the melt-processable fluororesin is 55 to 75% by mass relative to the aqueous fluororesin dispersion, and a fluorinated surfactant content in the aqueous fluororesin dispersion is not higher than a level corresponding to 100 ppm of the melt-processable fluororesin.

摘要翻译： 本发明提供一种包含可熔融加工的氟树脂的含水氟树脂分散体，其即使在可熔融加工的氟树脂的浓度高时，氟化表面活性剂浓度低，分散稳定性也优异。 本发明涉及一种含氟树脂分散体，其包含分散在水性介质中的可熔融加工的氟树脂颗粒，其中可熔融加工的氟树脂的浓度相对于氟树脂水分散体为55〜75质量％，氟化表面活性剂 氟树脂水分散液中的含量不高于可熔融加工的氟树脂的100ppm的水平。

公开(公告)号：US08202955B2

公开(公告)日：2012-06-19

申请号：US12307172

申请日：2007-07-05

申请人： Chie Sawauchi ,  Nobuhiko Tsuda

发明人： Chie Sawauchi ,  Nobuhiko Tsuda

IPC分类号： C08F259/08 ,  C08F2/30

CPC分类号： C08F214/26 ,  C08F6/16 ,  C08F259/08 ,  C09D127/18 ,  C08L27/18 ,  C08F214/18

摘要： The present invention provides an aqueous fluoropolymer dispersion having good mechanical characteristics and storage stability and containing substantially no fluorinated surfactant. The present invention is related to an aqueous fluoropolymer dispersion comprising a dispersed fluoropolymer particle with an average primary particle diameter of 50 to 400 nm, a surface layer of the dispersed fluoropolymer particle being obtained by emulsion polymerization of a monomer composition consisting of 99.999 to 98 mole percent of tetrafluoroethylene and 0.001 to 2 mole percent of a modifier monomer, a fluorinated surfactant content being not higher than 50 ppm, a fluoropolymer content being 20 to 75% by mass, and a nonfluorinated nonionic surfactant content being 2 to 15% by mass relative to 100% by mass of the fluoropolymer.

摘要翻译： 本发明提供具有良好的机械特性和储存稳定性的含氟聚合物水分散体，并且基本上不含氟化表面活性剂。 本发明涉及含氟平均一次粒径为50〜400nm的分散含氟聚合物粒子的水性含氟聚合物分散体，分散的含氟聚合物粒子的表面层是将由99.999〜98摩尔的单体组合物 四氟乙烯百分比和0.001〜2摩尔％的改性剂单体，氟化表面活性剂含量不高于50ppm，含氟聚合物含量为20〜75质量％，非氟化非离子表面活性剂含量相对于2〜15质量％ 至100质量％的含氟聚合物。

公开(公告)号：US20090286932A1

公开(公告)日：2009-11-19

申请号：US12307172

申请日：2007-07-05

申请人： Chie Sawauchi ,  Nobuhiko Tsuda

发明人： Chie Sawauchi ,  Nobuhiko Tsuda

IPC分类号： C08F2/22 ,  C08L27/12

CPC分类号： C08F214/26 ,  C08F6/16 ,  C08F259/08 ,  C09D127/18 ,  C08L27/18 ,  C08F214/18

摘要： The present invention provides an aqueous fluoropolymer dispersion having good mechanical characteristics and storage stability and containing substantially no fluorinated surfactant. The present invention is related to an aqueous fluoropolymer dispersion comprising a dispersed fluoropolymer particle with an average primary particle diameter of 50 to 400 nm, a surface layer of the dispersed fluoropolymer particle being obtained by emulsion polymerization of a monomer composition consisting of 99.999 to 98 mole percent of tetrafluoroethylene and 0.001 to 2 mole percent of a modifier monomer, a fluorinated surfactant content being not higher than 50 ppm, a fluoropolymer content being 20 to 75% by mass, and a nonfluorinated nonionic surfactant content being 2 to 15% by mass relative to 100% by mass of the fluoropolymer.

摘要翻译： 本发明提供具有良好的机械特性和储存稳定性的含氟聚合物水分散体，并且基本上不含氟化表面活性剂。 本发明涉及含氟平均一次粒径为50〜400nm的分散含氟聚合物粒子的水性含氟聚合物分散体，分散的含氟聚合物粒子的表面层是将由99.999〜98摩尔的单体组合物 四氟乙烯百分比和0.001〜2摩尔％的改性剂单体，氟化表面活性剂含量不高于50ppm，含氟聚合物含量为20〜75质量％，非氟化非离子表面活性剂含量相对于2〜15质量％ 至100质量％的含氟聚合物。