FR2392046A1 - Poudres fines de polytetrafluoroethylene et procede pour leur production - Google Patents

Poudres fines de polytetrafluoroethylene et procede pour leur production

Info

Publication number
FR2392046A1
FR2392046A1 FR7734154A FR7734154A FR2392046A1 FR 2392046 A1 FR2392046 A1 FR 2392046A1 FR 7734154 A FR7734154 A FR 7734154A FR 7734154 A FR7734154 A FR 7734154A FR 2392046 A1 FR2392046 A1 FR 2392046A1
Authority
FR
France
Prior art keywords
degrees
polytetrafluoroethylene
endothermic
fine powders
production
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.)
Granted
Application number
FR7734154A
Other languages
English (en)
French (fr)
Other versions
FR2392046B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Publication of FR2392046A1 publication Critical patent/FR2392046A1/fr
Application granted granted Critical
Publication of FR2392046B1 publication Critical patent/FR2392046B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • C08F14/26—Tetrafluoroethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
FR7734154A 1976-11-11 1977-11-14 Poudres fines de polytetrafluoroethylene et procede pour leur production Granted FR2392046A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13592776A JPS5360979A (en) 1976-11-11 1976-11-11 Polytetrafluoroethylene fine powder and its preparation

Publications (2)

Publication Number Publication Date
FR2392046A1 true FR2392046A1 (fr) 1978-12-22
FR2392046B1 FR2392046B1 (enExample) 1984-06-01

Family

ID=15163096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734154A Granted FR2392046A1 (fr) 1976-11-11 1977-11-14 Poudres fines de polytetrafluoroethylene et procede pour leur production

Country Status (6)

Country Link
US (2) US4159370A (enExample)
JP (1) JPS5360979A (enExample)
DE (1) DE2750566A1 (enExample)
FR (1) FR2392046A1 (enExample)
GB (1) GB1587850A (enExample)
IT (1) IT1088880B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111339A1 (en) * 1982-12-14 1984-06-20 Daikin Kogyo Co., Ltd. Novel polytetrafluoroethylene fine powder

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618624A (en) * 1979-07-24 1981-02-21 Daikin Ind Ltd Production of filled polytetrafluoroethylene fine powder
JPS5839443B2 (ja) * 1980-05-31 1983-08-30 ダイキン工業株式会社 ポリテトラフルオロエチレンフアインパウダ−の製造方法
US4598011A (en) * 1982-09-10 1986-07-01 Bowman Jeffery B High strength porous polytetrafluoroethylene product having a coarse microstructure
JPS59109534A (ja) * 1982-12-14 1984-06-25 Nitto Electric Ind Co Ltd ポリテトラフルオロエチレン多孔質体
US4576869A (en) 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4640955A (en) 1984-06-18 1987-02-03 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4530981A (en) * 1984-08-13 1985-07-23 E. I. Du Pont De Nemours And Company Process for making tetrafluoroethylene fine powder
US4748217A (en) 1986-01-27 1988-05-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
US4725644A (en) 1986-05-06 1988-02-16 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
EP0254269B1 (en) * 1986-07-21 1993-09-29 Daikin Industries, Limited Polytetrafluoroethylene containing coating composition and use thereof
US5176958A (en) * 1987-06-24 1993-01-05 Daikin Industries Ltd. Modified polytetrafluoroethylene fine powder and process for preparing the same
JP2551005B2 (ja) * 1987-06-24 1996-11-06 ダイキン工業株式会社 変性ポリテトラフルオロエチレンフアインパウダ−及びその製造方法
US5122592A (en) * 1989-09-01 1992-06-16 Allied-Signal Inc. Process for improving the properties of polytetrafluoroethylene
JP2545997Y2 (ja) * 1991-11-22 1997-08-27 株式会社ニフコ パンタグラフ式ジャッキ
US5609624A (en) * 1993-10-08 1997-03-11 Impra, Inc. Reinforced vascular graft and method of making same
US6264684B1 (en) 1995-03-10 2001-07-24 Impra, Inc., A Subsidiary Of C.R. Bard, Inc. Helically supported graft
US6039755A (en) 1997-02-05 2000-03-21 Impra, Inc., A Division Of C.R. Bard, Inc. Radially expandable tubular polytetrafluoroethylene grafts and method of making same
US6451047B2 (en) * 1995-03-10 2002-09-17 Impra, Inc. Encapsulated intraluminal stent-graft and methods of making same
WO1997017392A1 (en) * 1995-11-09 1997-05-15 Daikin Industries, Ltd. Granulated powder of filled polytetrafluoroethylene for molding and process for the production thereof
US6203735B1 (en) 1997-02-03 2001-03-20 Impra, Inc. Method of making expanded polytetrafluoroethylene products
US6177533B1 (en) 1998-11-13 2001-01-23 E. I. Du Pont De Nemours And Company Polytetrafluoroethylene resin
US6136933A (en) * 1998-11-13 2000-10-24 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene
US6398803B1 (en) * 1999-02-02 2002-06-04 Impra, Inc., A Subsidiary Of C.R. Bard, Inc. Partial encapsulation of stents
JP4617538B2 (ja) * 2000-06-15 2011-01-26 ダイキン工業株式会社 高周波信号伝送用製品の絶縁用ポリテトラフルオロエチレン混合粉末およびそれを用いた高周波信号伝送用製品
DE60135894D1 (de) * 2000-10-30 2008-11-06 Asahi Glass Co Ltd Tetrafluoroethylenpolymer für Dehnung
CN101193954B (zh) 2005-05-12 2011-08-10 日东电工株式会社 聚四氟乙烯粒子凝集物的制造方法及聚四氟乙烯成形体的制造方法
JP5343355B2 (ja) * 2005-10-26 2013-11-13 旭硝子株式会社 含フッ素乳化剤の残留量が少ないフッ素樹脂およびその製造方法
EP2022814A1 (en) 2006-05-01 2009-02-11 Nitto Denko Corporation Process for production of polytetrafluoroethylene sheet, and process for production of polytetrafluoroethylene seal tape
ATE514720T1 (de) * 2007-04-13 2011-07-15 Asahi Glass Co Ltd Verfahren zur herstellung von fluorhaltigem polymer unter verwendung von fluorhaltiger carbonsäureverbindung
US8196279B2 (en) 2008-02-27 2012-06-12 C. R. Bard, Inc. Stent-graft covering process
US8628843B2 (en) * 2008-10-24 2014-01-14 Porex Corporation Composite PTFE materials and applications thereof
JP2013101776A (ja) * 2011-11-07 2013-05-23 Nitto Denko Corp 絶縁層被覆電線
TWI639462B (zh) 2012-04-20 2018-11-01 Daikin Industries, Ltd. 以聚四氟乙烯（ｐｔｆｅ）為主成分之組合物、混合粉末及成形用材料
WO2015060364A1 (ja) 2013-10-23 2015-04-30 ダイキン工業株式会社 エンボス加工されたエアフィルタ用濾材、フィルタパック、エアフィルタユニット、およびエンボス加工されたエアフィルタ用濾材の製造方法
EP3075768A4 (en) * 2013-11-29 2017-06-21 Daikin Industries, Ltd. Biaxially-oriented porous film
US9881714B2 (en) 2014-06-19 2018-01-30 Saint-Gobain Performance Plastics Corporation Laser-markable insulation material for wire or cable assemblies
US10256009B2 (en) 2014-06-19 2019-04-09 Saint-Gobain Performance Plastics Corporation Laser-markable insulation material for wire or cable assemblies
JP6673230B2 (ja) 2017-01-12 2020-03-25 ダイキン工業株式会社 エアフィルタ濾材
JP6816746B2 (ja) 2018-07-20 2021-01-20 ダイキン工業株式会社 エアフィルタ濾材、フィルタパック、およびエアフィルタユニット
CN112770827B (zh) 2018-09-28 2026-05-05 大金工业株式会社 空气过滤器滤材、过滤包、空气过滤器单元以及这些的制造方法
JP7181480B2 (ja) 2021-02-04 2022-12-01 ダイキン工業株式会社 エアフィルタ濾材、エアフィルタ濾材の製造方法、マスク用濾材、および、プリーツ状マスク用濾材
WO2022255453A1 (ja) 2021-06-04 2022-12-08 ダイキン工業株式会社 エアフィルタ濾材、プリーツ状濾材、エアフィルタユニット、マスク用濾材、および、エアフィルタ濾材の再生方法
EP4494733A4 (en) 2022-03-15 2025-06-11 Daikin Industries, Ltd. FILTER MEDIA FOR AIR FILTER, AIR FILTER PACK, AND AIR FILTER UNIT
CN120077451A (zh) 2022-10-07 2025-05-30 大金工业株式会社 电介质及其制造方法
JP7787452B2 (ja) 2023-09-29 2025-12-17 ダイキン工業株式会社 エアフィルタ濾材、エアフィルタ濾材の使用方法、および空気処理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
BE678637A (enExample) * 1965-04-01 1966-09-01

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110421C (enExample) * 1957-03-29
US3945985A (en) * 1968-08-29 1976-03-23 Stauffer Chemical Company Method for preparing vinyl halide polymers having improved processing characteristics and polymers prepared thereby
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
US3819594A (en) * 1972-05-17 1974-06-25 Du Pont Tetrafluoroethylene fine powder resin of a copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether)
US3953412A (en) * 1972-08-09 1976-04-27 Takumi Saito Sintered micro-powder of tetrafluoroethylene polymers
US3981853A (en) * 1974-06-17 1976-09-21 E. I. Du Pont De Nemours And Comany Polytetrafluoroethylene molding powder from polytetrafluoroethylene fine powder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
BE678637A (enExample) * 1965-04-01 1966-09-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111339A1 (en) * 1982-12-14 1984-06-20 Daikin Kogyo Co., Ltd. Novel polytetrafluoroethylene fine powder

Also Published As

Publication number Publication date
DE2750566C2 (enExample) 1992-12-10
JPS5360979A (en) 1978-05-31
GB1587850A (en) 1981-04-08
IT1088880B (it) 1985-06-10
USRE31341E (en) 1983-08-09
FR2392046B1 (enExample) 1984-06-01
JPS5654016B2 (enExample) 1981-12-23
US4159370A (en) 1979-06-26
DE2750566A1 (de) 1978-05-18

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