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公开(公告)号：EP4370600A1
公开(公告)日：2024-05-22
申请号：EP22842130.1
申请日：2022-07-12
发明人： FALZONE, Alec , GRUMBLES, Emily , SIMPSON, Wade , SUNSTROM, Joseph , HENDERSHOT, Ronald , YAMANAKA, Taku , KATO, Taketo , YAMADA, Takaya , TERADA, Junpei , TOKUDA, Masato , NISHIMURA, Kenta
IPC分类号： C08L27/18
CPC分类号： Y02E60/10 , C09D127/18 , H01M4/623 , H01M4/622 , H01M4/625 , H01M10/0562 , H01M10/0525
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公开(公告)号：EP4365223A1
公开(公告)日：2024-05-08
申请号：EP22833284.7
申请日：2022-06-30
发明人： TANAKA, Takayuki , MIYAMOTO, Masayoshi , MINAMIYAMA, Tomoki , KUSUNOKI, Takeki , TAIRA, Takahiro , YAMABE, Takuya , YOSHIDA, Hirotoshi , KATO, Taketo , YAMANAKA, Taku , TSUKAMOTO, Mitsuo
摘要： Provided is a method for producing a polytetrafluoroethylene particle, comprising subjecting tetrafluoroethylene to suspension polymerization in an aqueous medium to prepare a suspension-polymerized particle of polytetrafluoroethylene, washing and then crushing the suspension-polymerized particle or crushing the suspension-polymerized particle with washing to prepare a crushed particle, dehydrating the crushed particle to prepare a crushed particle having a water content of 40% by mass or less, and subjecting the dehydrated crushed particle to heat treatment to produce a polytetrafluoroethylene particle.
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3.发明公开
公开(公告)号：EP4257638A3
公开(公告)日：2023-12-13
申请号：EP23189437.9
申请日：2018-03-30
发明人： KATO, Taketo , YONEDA, Satoru , FUJISAWA, Manabu , ASANO, Kazuya , KITAHARA, Takahiro , HIGASHI, Masahiro , YAMAUCHI, Akiyoshi , ISHIHARA, Sumi , KISHIKAWA, Yosuke , NITTA, Shinnosuke , NAKANO, Marina , YOSHIDA, Hirotoshi , NANBA, Yoshinori , ITO, Kengo , OKUI, Chiaki , AOYAMA, Hirokazu , SUKEGAWA, Masamichi , YAMANAKA, Taku , TANAKA, Yuuji , ICHIKAWA, Kenji , FUJIMOTO, Yohei , SATO, Hiroyuki
摘要： The invention aims to provide a novel method for producing a fluoropolymer. The method for producing a fluoropolymer of the invention includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R 1a -CO-R 2 a -CO-R 3 a -A a and a surfactant represented by R 1b -CO-(CR 2b 2 ) n -(OR 3b ) p -(CR 4b 2 ) q -L-Ab.
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4.发明公开
公开(公告)号：EP4257638A2
公开(公告)日：2023-10-11
申请号：EP23189437.9
申请日：2018-03-30
发明人： KATO, Taketo , YONEDA, Satoru , FUJISAWA, Manabu , ASANO, Kazuya , KITAHARA, Takahiro , HIGASHI, Masahiro , YAMAUCHI, Akiyoshi , ISHIHARA, Sumi , KISHIKAWA, Yosuke , NITTA, Shinnosuke , NAKANO, Marina , YOSHIDA, Hirotoshi , NANBA, Yoshinori , ITO, Kengo , OKUI, Chiaki , AOYAMA, Hirokazu , SUKEGAWA, Masamichi , YAMANAKA, Taku , TANAKA, Yuuji , ICHIKAWA, Kenji , FUJIMOTO, Yohei , SATO, Hiroyuki
IPC分类号： C08K5/098
摘要： The invention aims to provide a novel method for producing a fluoropolymer. The method for producing a fluoropolymer of the invention includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R 1a -CO-R 2 a -CO-R 3 a -A a and a surfactant represented by R 1b -CO-(CR 2b 2 ) n -(OR 3b ) p -(CR 4b 2 ) q -L-Ab.
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公开(公告)号：EP3922435A1
公开(公告)日：2021-12-15
申请号：EP20752387.9
申请日：2020-02-07
发明人： TAIRA, Takahiro , OKUI, Chiaki , YOSHIDA, Hirotoshi , TANAKA, Yuuji , YAMANAKA, Taku , KATO, Taketo
摘要： A composition having a breaking strength of 10.0 N or more, containing a polytetrafluoroethylene, and substantially free from a compound represented by the following general formula (3):
General Formula (3): (H-(CF 2 ) 8 -SO 3 ) q M 2
wherein M 2 is H, a metal atom, NR 5 4 , where each R 5 may be the same or different and is H or an organic group having 1 to 10 carbon atoms, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and q is 1 or 2.-
公开(公告)号：EP3892681A1
公开(公告)日：2021-10-13
申请号：EP19894027.2
申请日：2019-12-04
摘要： The invention provides a method for producing a polytetrafluoroethylene composition including mixing a polytetrafluoroethylene resin and a filler using an airflow mixer to provide a polytetrafluoroethylene composition containing the polytetrafluoroethylene resin and the filler. The invention also provides a polytetrafluoroethylene composition produced by the production method, a polytetrafluoroethylene composition having specific physical properties, as well as a molded article, electrically conductive tube, thermally conductive film, and substrate for CCL each obtainable with the polytetrafluoroethylene composition.
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公开(公告)号：EP3385309B1
公开(公告)日：2020-04-15
申请号：EP17837113.4
申请日：2017-08-04
发明人： YOSHIDA, Ken , YOSHIDA, Hirotoshi , HAGI, Keisuke , TSUJI, Masayuki , KATO, Taketo , TANAKA, Yuuji , YAMANAKA, Taku , KAWAHARA, Kazuya , SUKEGAWA, Masamichi , HOSOKAWA, Kazutaka
IPC分类号： C08F8/50 , C08F14/26 , C08J3/28 , C08J7/12 , C08L27/18 , C08J3/12 , C08L27/22 , C08F8/06 , C08F114/26 , C08F214/26
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8.发明公开
公开(公告)号：EP3385309A1
公开(公告)日：2018-10-10
申请号：EP17837113.4
申请日：2017-08-04
发明人： YOSHIDA, Ken , YOSHIDA, Hirotoshi , HAGI, Keisuke , TSUJI, Masayuki , KATO, Taketo , TANAKA, Yuuji , YAMANAKA, Taku , KAWAHARA, Kazuya , SUKEGAWA, Masamichi , HOSOKAWA, Kazutaka
CPC分类号： C08J3/12 , C08F8/06 , C08F8/50 , C08F14/26 , C08F2500/07 , C08F2500/17 , C08F2800/20 , C08F2810/40 , C08J3/28 , C08J2327/18 , C08J2327/22 , C08F114/26 , C08F214/26
摘要： The invention provides a production method for producing low molecular weight polytetrafluoroethylene enabling easy removal of most of C8-C14 perfluorocarboxylic acids and salts thereof, which are unfortunately generated by irradiation, from the low molecular weight polytetrafluoroethylene. The method for producing low molecular weight polytetrafluoroethylene includes: (1) irradiating polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a melt viscosity of 1 × 10 2 to 7 × 10 5 Pa·s at 380°C; (2) pulverizing the low molecular weight polytetrafluoroethylene; and (3) heating the low molecular weight polytetrafluoroethylene pulverized in the step (2).
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公开(公告)号：EP3279904A1
公开(公告)日：2018-02-07
申请号：EP16773153.8
申请日：2016-03-31
CPC分类号： H01B13/145 , C08L27/18 , C09D127/18 , H01B3/445 , H01B13/0016 , H01B13/14
摘要： The invention provides a method for producing an electric wire with a low dielectric loss. The method for producing an electric wire includes a coating step of coating a core wire with a mixture of a high-molecular-weight polytetrafluoroethylene (A) and a non-fibrillatable low-molecular-weight polytetrafluoroethylene (B); a first heating step of heating the coated core wire up to the first melting point of the low-molecular-weight polytetrafluoroethylene (B) or higher; a second heating step of heating the coated core wire to 150°C to 300°C; and a cooling step of cooling the coated core wire.
摘要翻译： 本发明提供了一种制造具有低介电损耗的电线的方法。 电线的制造方法包括用高分子量聚四氟乙烯（A）和不可原纤化的低分子量聚四氟乙烯（B）的混合物涂覆芯线的涂覆步骤; 将包覆的芯线加热至低分子量聚四氟乙烯（B）的第一熔点或更高的第一加热步骤; 第二加热步骤，将涂覆的芯线加热到150℃至300℃; 以及冷却涂覆芯线的冷却步骤。
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公开(公告)号：EP2657291B1
公开(公告)日：2017-02-01
申请号：EP11851762.2
申请日：2011-12-21
发明人： SAWADA, Yasuhiko , KASAI, Shunji , YAMANAKA, Taku , ONO, Makoto , SHIBUYA, Yoshiyuki , INUI, Kunihiko , CHAEN, Shinichi
CPC分类号： C08L29/10 , B01D67/0027 , B01D71/36 , B01D2323/12 , C08J5/18 , C08J2327/18 , C08L27/18 , C08L2205/02 , C08L2205/025
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