JPS5360979A - Polytetrafluoroethylene fine powder and its preparation - Google Patents

Polytetrafluoroethylene fine powder and its preparation

Info

Publication number
JPS5360979A
JPS5360979A JP13592776A JP13592776A JPS5360979A JP S5360979 A JPS5360979 A JP S5360979A JP 13592776 A JP13592776 A JP 13592776A JP 13592776 A JP13592776 A JP 13592776A JP S5360979 A JPS5360979 A JP S5360979A
Authority
JP
Japan
Prior art keywords
preparation
fine powder
polytetrafluoroethylene fine
polytetrafluoroethylene
alkali
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
JP13592776A
Other languages
English (en)
Other versions
JPS5654016B2 (ja
Inventor
Shun Koizumi
Shigeru Ichiba
Tetsuo Shimizu
Chuzo Okuno
Toshitomo Kadowaki
Katsutoshi Yamamoto
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
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 filed Critical Daikin Industries Ltd
Priority to JP13592776A priority Critical patent/JPS5360979A/ja
Priority to GB46844/77A priority patent/GB1587850A/en
Priority to US05/850,539 priority patent/US4159370A/en
Priority to IT29572/77A priority patent/IT1088880B/it
Priority to DE19772750566 priority patent/DE2750566A1/de
Priority to FR7734154A priority patent/FR2392046A1/fr
Publication of JPS5360979A publication Critical patent/JPS5360979A/ja
Priority to US06/277,391 priority patent/USRE31341E/en
Publication of JPS5654016B2 publication Critical patent/JPS5654016B2/ja
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
JP13592776A 1976-11-11 1976-11-11 Polytetrafluoroethylene fine powder and its preparation Granted JPS5360979A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP13592776A JPS5360979A (en) 1976-11-11 1976-11-11 Polytetrafluoroethylene fine powder and its preparation
GB46844/77A GB1587850A (en) 1976-11-11 1977-11-10 Polytetrafluoroethylene powder and a process for the production thereof
US05/850,539 US4159370A (en) 1976-11-11 1977-11-11 Polytetrafluoroethylene fine powder and process for producing the same
IT29572/77A IT1088880B (it) 1976-11-11 1977-11-11 Polvere fine di politetrafluoroetilene e processo per la produzione della stessa
DE19772750566 DE2750566A1 (de) 1976-11-11 1977-11-11 Polytetrafluoraethylen-feinpulver und verfahren zu seiner herstellung
FR7734154A FR2392046A1 (fr) 1976-11-11 1977-11-14 Poudres fines de polytetrafluoroethylene et procede pour leur production
US06/277,391 USRE31341E (en) 1976-11-11 1981-06-25 Polytetrafluoroethylene fine powder and process for producing the same

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
JPS5360979A true JPS5360979A (en) 1978-05-31
JPS5654016B2 JPS5654016B2 (ja) 1981-12-23

Family

ID=15163096

Family Applications (1)

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

Country Status (6)

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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121741A1 (de) * 1980-05-31 1982-03-04 Daikin Kogyo Co., Ltd., Osaka Verfahren zur herstellung von polytetraflouraethylen als feines pulver
JPS59109506A (ja) * 1982-12-14 1984-06-25 Daikin Ind Ltd 新規なポリテトラフルオロエチレン・フアインパウダ−
JPH0544997U (ja) * 1991-11-22 1993-06-15 株式会社ニフコ パンタグラフ式ジヤツキ
JP2001357729A (ja) * 2000-06-15 2001-12-26 Daikin Ind Ltd 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
WO2013157647A1 (ja) 2012-04-20 2013-10-24 ダイキン工業株式会社 Ｐｔｆｅを主成分とする組成物、混合粉末、成形用材料、及びフィルタ用濾材、エアフィルタユニット、並びに多孔膜の製造方法
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
JP2015127412A (ja) * 2013-11-29 2015-07-09 ダイキン工業株式会社 二軸延伸多孔質膜
WO2018131573A1 (ja) 2017-01-12 2018-07-19 ダイキン工業株式会社 エアフィルタ濾材
WO2020017472A1 (ja) 2018-07-20 2020-01-23 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
WO2020067182A1 (ja) 2018-09-28 2020-04-02 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、エアフィルタユニット、およびこれらの製造方法
WO2022168877A1 (ja) 2021-02-04 2022-08-11 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

Families Citing this family (31)

* 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
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
US4640955A (en) 1984-06-18 1987-02-03 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4576869A (en) 1984-06-18 1986-03-18 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
DE3787590T2 (de) * 1986-07-21 1994-03-10 Daikin Ind Ltd Polytetrafluoräthylenhaltige Beschichtungsmasse und ihre Verwendung.
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
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
US6451047B2 (en) * 1995-03-10 2002-09-17 Impra, Inc. Encapsulated intraluminal stent-graft and methods of making same
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
KR19990067250A (ko) * 1995-11-09 1999-08-16 이노우에 노리유끼 필러 충전 폴리테트라플루오로에틸렌 성형용 조립분말 및 그 제법
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
EP1201689B1 (en) * 2000-10-30 2008-09-24 Asahi Glass Company, Limited Tetrafluoroethylene polymer for stretching
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
WO2007049517A1 (ja) * 2005-10-26 2007-05-03 Asahi Glass Company, Limited 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
WO2007126087A1 (ja) * 2006-05-01 2007-11-08 Nitto Denko Corporation ポリテトラフルオロエチレンシートの製造方法およびポリテトラフルオロエチレン製シールテープの製造方法
JP5338659B2 (ja) * 2007-04-13 2013-11-13 旭硝子株式会社 含フッ素カルボン酸化合物を用いた含フッ素ポリマーの製造方法
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
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560454A (ja) * 1957-03-29
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
NL6603792A (ja) * 1965-04-01 1966-10-03
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

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3121741A1 (de) * 1980-05-31 1982-03-04 Daikin Kogyo Co., Ltd., Osaka Verfahren zur herstellung von polytetraflouraethylen als feines pulver
JPS59109506A (ja) * 1982-12-14 1984-06-25 Daikin Ind Ltd 新規なポリテトラフルオロエチレン・フアインパウダ−
JPH0472845B2 (ja) * 1982-12-14 1992-11-19 Daikin Ind Ltd
JPH0544997U (ja) * 1991-11-22 1993-06-15 株式会社ニフコ パンタグラフ式ジヤツキ
JP2001357729A (ja) * 2000-06-15 2001-12-26 Daikin Ind Ltd 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
EP3118256A1 (en) 2012-04-20 2017-01-18 Daikin Industries, Limited Composition having ptfe as main component, mixed powder and material for molding
WO2013157647A1 (ja) 2012-04-20 2013-10-24 ダイキン工業株式会社 Ｐｔｆｅを主成分とする組成物、混合粉末、成形用材料、及びフィルタ用濾材、エアフィルタユニット、並びに多孔膜の製造方法
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
JP2015127412A (ja) * 2013-11-29 2015-07-09 ダイキン工業株式会社 二軸延伸多孔質膜
WO2018131573A1 (ja) 2017-01-12 2018-07-19 ダイキン工業株式会社 エアフィルタ濾材
WO2020017472A1 (ja) 2018-07-20 2020-01-23 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
WO2020067182A1 (ja) 2018-09-28 2020-04-02 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、エアフィルタユニット、およびこれらの製造方法
WO2022168877A1 (ja) 2021-02-04 2022-08-11 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

Also Published As

Publication number Publication date
US4159370A (en) 1979-06-26
DE2750566A1 (de) 1978-05-18
FR2392046A1 (fr) 1978-12-22
IT1088880B (it) 1985-06-10
GB1587850A (en) 1981-04-08
FR2392046B1 (ja) 1984-06-01
USRE31341E (en) 1983-08-09
JPS5654016B2 (ja) 1981-12-23
DE2750566C2 (ja) 1992-12-10

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