IT1088880B - Polvere fine di politetrafluoroetilene e processo per la produzione della stessa - Google Patents

Polvere fine di politetrafluoroetilene e processo per la produzione della stessa

Info

Publication number
IT1088880B
IT1088880B IT29572/77A IT2957277A IT1088880B IT 1088880 B IT1088880 B IT 1088880B IT 29572/77 A IT29572/77 A IT 29572/77A IT 2957277 A IT2957277 A IT 2957277A IT 1088880 B IT1088880 B IT 1088880B
Authority
IT
Italy
Prior art keywords
production
same
polytetrafluoroethylene powder
fine polytetrafluoroethylene
fine
Prior art date
Application number
IT29572/77A
Other languages
English (en)
Italian (it)
Original Assignee
Daikin Ind 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 Ind Ltd filed Critical Daikin Ind Ltd
Application granted granted Critical
Publication of IT1088880B publication Critical patent/IT1088880B/it

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)
IT29572/77A 1976-11-11 1977-11-11 Polvere fine di politetrafluoroetilene e processo per la produzione della stessa IT1088880B (it)

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 (1)

Publication Number Publication Date
IT1088880B true IT1088880B (it) 1985-06-10

Family

ID=15163096

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29572/77A IT1088880B (it) 1976-11-11 1977-11-11 Polvere fine di politetrafluoroetilene e processo per la produzione della stessa

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)

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
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−
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
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
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
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
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
US6136933A (en) * 1998-11-13 2000-10-24 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene
US6177533B1 (en) 1998-11-13 2001-01-23 E. I. Du Pont De Nemours And Company Polytetrafluoroethylene resin
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
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
RU2409592C2 (ru) * 2005-10-26 2011-01-20 Асахи Гласс Компани, Лимитед Фторсодержащий полимер с низким остаточным содержанием фторированного эмульгатора и способ его получения
CN101437877B (zh) 2006-05-01 2011-12-07 日东电工株式会社 聚四氟乙烯片材的制造方法及聚四氟乙烯制密封带的制造方法
WO2008132959A1 (ja) * 2007-04-13 2008-11-06 Asahi Glass Company, Limited 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
WO2010048496A1 (en) * 2008-10-24 2010-04-29 Porex Corporation Composite ptfe material and applications thereof
JP2013101776A (ja) * 2011-11-07 2013-05-23 Nitto Denko Corp 絶縁層被覆電線
EP2840115B1 (en) 2012-04-20 2018-06-06 Daikin Industries, Ltd. Composition mainly composed of ptfe, mixed powder, molding material, filtering medium for filter, air filter unit, and porous membrane manufacturing method
US10245545B2 (en) 2013-10-23 2019-04-02 Daikin Industries, Ltd. Embossed air filter filtration medium, filter pack, air filter unit, and method for manufacturing filtration medium for embossed air filter
CN105793336B (zh) * 2013-11-29 2019-12-24 大金工业株式会社 双向拉伸多孔质膜
US10256009B2 (en) 2014-06-19 2019-04-09 Saint-Gobain Performance Plastics Corporation Laser-markable insulation material for wire or cable assemblies
US9881714B2 (en) 2014-06-19 2018-01-30 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
EP3858456A4 (en) 2018-09-28 2022-07-20 Daikin Industries, Ltd. AIR FILTER FILTER MEDIUM, FILTER PACK, AIR FILTER UNIT AND MANUFACTURING METHOD THEREOF
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
JP7219412B2 (ja) 2021-06-04 2023-02-08 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
TWI873565B (zh) 2022-03-15 2025-02-21 日商大金工業股份有限公司 空氣過濾器濾材、空氣過濾器件及空氣過濾器單元
EP4600973A4 (en) 2022-10-07 2026-03-25 Daikin Ind Ltd DIELECTRIC BODY, AND METHOD FOR MANUFACTURED THEREOF

Family Cites Families (8)

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

Also Published As

Publication number Publication date
JPS5360979A (en) 1978-05-31
DE2750566A1 (de) 1978-05-18
USRE31341E (en) 1983-08-09
US4159370A (en) 1979-06-26
GB1587850A (en) 1981-04-08
FR2392046B1 (enExample) 1984-06-01
DE2750566C2 (enExample) 1992-12-10
JPS5654016B2 (enExample) 1981-12-23
FR2392046A1 (fr) 1978-12-22

Similar Documents

Publication Publication Date Title
IT1082703B (it) Catalizzatore di amminazione e procedimento per la produzione di alchilammine
IT1067196B (it) Cavaturaccioli meccanico e metodo di fabbricazione del medesimo
IT1098269B (it) Processo e dimpianto per la produzione di ammoniaca
IT1079804B (it) Benzofuranil-benzimidazoli e procedimento per la loro produzione ed applicazione
IT1118157B (it) Procedimento per la produzione di mendrane con superficie porosa e prodotto ottenuto
IT1074698B (it) Processo per la preparazione di metaarilossi-benzaldeidi
IT1091124B (it) Miscugli contenenti diorganopolisi lossani e procedimento per la loro produzione ed applicazione
IT1112065B (it) Procedimento per la produzione di triclorosinalo e tetracloruro di silicio
IT1075381B (it) Processo per la produzione di acilcianuri
IT1082694B (it) Procedimento per la produzione di poliammideimmidi
IT1090820B (it) Procedimento per la produzione di circuiti integrati e prodotto ottenuto
IT1075382B (it) Processo per la produzione di acilcianuri
IT1079005B (it) Procedimento ed apparecchio per la produzione di silicio di elevata purezza
IT1114693B (it) Metodo per la fabbricazione di manufatti di politetrafluoroetilene poroso
IT1077188B (it) Processo per la separazione di etilamine e prodotto ottenuti
IT1086757B (it) Procedimento per la produzione di antigeni e prodotto ottenuto
IT1075383B (it) Processo per la produzione di acilcianuri
IT1085374B (it) Procedimento per la produzione di 2-alchil-4-metil-6-idrossipirimidin e oppure di 2-cicloalchil-4-metil-6-idrossipirimidine
IT1113287B (it) Procedimento per la produzione di dibenzocicloottenimmine e prodotto ottenuto
IT1143601B (it) Procedimento per la produzione di cianuro benzoilico
IT1143607B (it) Procedimento per la produzione di tiazoline-(3)
IT1071476B (it) Procedimento per la produzione di alcossianiline
IT1065601B (it) Procedimento per la produzione di diserbanti e prodotto ottenuto
IT1084432B (it) Processo per la produzione di alchibenzeni e prodotto ottenuto.
IT1067342B (it) Processo per la preparazione di 6-aminocapronamide

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951219