JPWO2023277137A5 - - Google Patents
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- Publication number
- JPWO2023277137A5 JPWO2023277137A5 JP2023532057A JP2023532057A JPWO2023277137A5 JP WO2023277137 A5 JPWO2023277137 A5 JP WO2023277137A5 JP 2023532057 A JP2023532057 A JP 2023532057A JP 2023532057 A JP2023532057 A JP 2023532057A JP WO2023277137 A5 JPWO2023277137 A5 JP WO2023277137A5
- Authority
- JP
- Japan
- Prior art keywords
- polytetrafluoroethylene
- powder
- polytetrafluoroethylene powder
- manufacturing
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- -1 polytetrafluoroethylene Polymers 0.000 claims 27
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 26
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 26
- 239000000843 powder Substances 0.000 claims 25
- 238000004519 manufacturing process Methods 0.000 claims 15
- 239000002245 particle Substances 0.000 claims 14
- 239000000725 suspension Substances 0.000 claims 7
- 239000000178 monomer Substances 0.000 claims 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 5
- 150000001875 compounds Chemical class 0.000 claims 4
- 229910052731 fluorine Inorganic materials 0.000 claims 4
- 239000011737 fluorine Substances 0.000 claims 4
- 229920000642 polymer Polymers 0.000 claims 4
- 238000010298 pulverizing process Methods 0.000 claims 3
- 239000004094 surface-active agent Substances 0.000 claims 3
- 238000010557 suspension polymerization reaction Methods 0.000 claims 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 3
- 239000012736 aqueous medium Substances 0.000 claims 2
- 150000001768 cations Chemical class 0.000 claims 2
- 238000000748 compression moulding Methods 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 230000005484 gravity Effects 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021109109 | 2021-06-30 | ||
| PCT/JP2022/026257 WO2023277137A1 (ja) | 2021-06-30 | 2022-06-30 | ポリテトラフルオロエチレンパウダーの製造方法およびポリテトラフルオロエチレンパウダー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023277137A1 JPWO2023277137A1 (https=) | 2023-01-05 |
| JPWO2023277137A5 true JPWO2023277137A5 (https=) | 2024-03-25 |
Family
ID=84692771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023532057A Pending JPWO2023277137A1 (https=) | 2021-06-30 | 2022-06-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240150505A1 (https=) |
| EP (1) | EP4365222A4 (https=) |
| JP (1) | JPWO2023277137A1 (https=) |
| CN (1) | CN117561295A (https=) |
| WO (1) | WO2023277137A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025070821A1 (ja) * | 2023-09-29 | 2025-04-03 | ダイキン工業株式会社 | ガスケット、及び、電気化学デバイス |
| CN120515690A (zh) * | 2024-02-20 | 2025-08-22 | 大金工业株式会社 | 聚四氟乙烯粉末的制造方法、聚四氟乙烯粉末和成型体 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3271341A (en) | 1961-08-07 | 1966-09-06 | Du Pont | Aqueous colloidal dispersions of polymer |
| US3250808A (en) | 1963-10-31 | 1966-05-10 | Du Pont | Fluorocarbon ethers derived from hexafluoropropylene epoxide |
| JPS6116840A (ja) * | 1984-07-04 | 1986-01-24 | Nippon Valqua Ind Ltd | ポリテトラフルオロエチレン製多孔質膜の製造方法 |
| US4743658A (en) * | 1985-10-21 | 1988-05-10 | E. I. Du Pont De Nemours And Company | Stable tetrafluoroethylene copolymers |
| JPH075743B2 (ja) * | 1986-12-22 | 1995-01-25 | ダイキン工業株式会社 | テトラフルオロエチレン系共重合体粉末およびその製造法 |
| JP3931382B2 (ja) * | 1996-09-18 | 2007-06-13 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粉末及びその製造方法 |
| JP2001048922A (ja) * | 1999-08-13 | 2001-02-20 | Daikin Ind Ltd | 安定な変性ポリテトラフルオロエチレン成形用樹脂粉末およびその製造方法 |
| JP3900883B2 (ja) | 2001-10-05 | 2007-04-04 | ダイキン工業株式会社 | 含フッ素重合体ラテックスの製造方法 |
| EP1449866A4 (en) | 2001-10-24 | 2007-04-11 | Daikin Ind Ltd | PTFE POWDER AND METHOD FOR PRODUCING PTFE POWDER FOR FORMING |
| CN1875035B (zh) | 2003-10-31 | 2010-12-01 | 大金工业株式会社 | 含氟聚合物水性分散体的制造方法及含氟聚合物水性分散体 |
| GB0525978D0 (en) | 2005-12-21 | 2006-02-01 | 3M Innovative Properties Co | Fluorinated Surfactants For Making Fluoropolymers |
| GB0523853D0 (en) | 2005-11-24 | 2006-01-04 | 3M Innovative Properties Co | Fluorinated surfactants for use in making a fluoropolymer |
| GB0514387D0 (en) | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant |
| GB0514398D0 (en) | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant |
| US7671112B2 (en) | 2005-07-15 | 2010-03-02 | 3M Innovative Properties Company | Method of making fluoropolymer dispersion |
| CN100558753C (zh) | 2005-10-17 | 2009-11-11 | 旭硝子株式会社 | 聚四氟乙烯水性乳化液、由其制得的聚四氟乙烯细粉和多孔体 |
| JP5141256B2 (ja) | 2005-10-20 | 2013-02-13 | 旭硝子株式会社 | ポリテトラフルオロエチレン水性分散液およびその製品 |
| WO2007046377A1 (ja) | 2005-10-20 | 2007-04-26 | Asahi Glass Company, Limited | 溶融成形可能なフッ素樹脂の製造方法 |
| JP5211424B2 (ja) | 2005-10-25 | 2013-06-12 | 旭硝子株式会社 | イオン交換膜の製造方法 |
| US20070276103A1 (en) | 2006-05-25 | 2007-11-29 | 3M Innovative Properties Company | Fluorinated Surfactants |
| US8119750B2 (en) | 2006-07-13 | 2012-02-21 | 3M Innovative Properties Company | Explosion taming surfactants for the production of perfluoropolymers |
| EP2079766B1 (en) | 2006-11-09 | 2011-05-18 | E.I. Du Pont De Nemours And Company | Aqueous polymerization of fluorinated monomer using polymerization agent comprising high molecular weight fluoropolyether acid or salt and fluoropolyether acid or salt surfactant |
| WO2010003929A1 (en) | 2008-07-08 | 2010-01-14 | Solvay Solexis S.P.A. | Method for manufacturing fluoropolymers |
| CN102369221B (zh) * | 2009-03-31 | 2014-03-12 | 大金工业株式会社 | 低分子量聚四氟乙烯粉末及其制造方法 |
| WO2013005743A1 (ja) * | 2011-07-05 | 2013-01-10 | 旭硝子株式会社 | フッ素樹脂ペレットの処理方法 |
| KR101627448B1 (ko) * | 2012-03-26 | 2016-06-03 | 다이킨 고교 가부시키가이샤 | 복합 입자, 분체 도료, 도막, 적층체 및 복합 입자의 제조 방법 |
| CN104583246B (zh) | 2012-06-20 | 2016-08-24 | 索尔维特殊聚合物意大利有限公司 | 四氟乙烯共聚物 |
| JP6381526B2 (ja) | 2012-06-20 | 2018-08-29 | ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． | テトラフルオロエチレンコポリマー |
| JP6256355B2 (ja) | 2013-02-05 | 2018-01-10 | 旭硝子株式会社 | ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法 |
| US10844152B2 (en) * | 2015-02-12 | 2020-11-24 | 3M Innovative Properties Company | Tetrafluoroethylene and perfluorinated allyl ether copolymers |
| CN111683996B (zh) * | 2018-02-07 | 2023-11-14 | 大金工业株式会社 | 含有低分子量聚四氟乙烯的组合物的制造方法 |
| EP3527634A1 (en) | 2018-02-15 | 2019-08-21 | 3M Innovative Properties Company | Fluoropolymers and fluoropolymer dispersions |
-
2022
- 2022-06-30 CN CN202280045228.5A patent/CN117561295A/zh active Pending
- 2022-06-30 WO PCT/JP2022/026257 patent/WO2023277137A1/ja not_active Ceased
- 2022-06-30 JP JP2023532057A patent/JPWO2023277137A1/ja active Pending
- 2022-06-30 EP EP22833283.9A patent/EP4365222A4/en active Pending
-
2023
- 2023-12-27 US US18/397,595 patent/US20240150505A1/en active Pending
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