DE3679487D1 - Herstellung feinteiliger tetrafluorethylenpulverharze. - Google Patents

Herstellung feinteiliger tetrafluorethylenpulverharze.

Info

Publication number
DE3679487D1
DE3679487D1 DE8686306913T DE3679487T DE3679487D1 DE 3679487 D1 DE3679487 D1 DE 3679487D1 DE 8686306913 T DE8686306913 T DE 8686306913T DE 3679487 T DE3679487 T DE 3679487T DE 3679487 D1 DE3679487 D1 DE 3679487D1
Authority
DE
Germany
Prior art keywords
tetrafluorethylene
partic
fine
production
powder resins
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.)
Expired - Lifetime
Application number
DE8686306913T
Other languages
English (en)
Inventor
Satish Chandra Malhotra
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3679487D1 publication Critical patent/DE3679487D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE8686306913T 1985-09-09 1986-09-08 Herstellung feinteiliger tetrafluorethylenpulverharze. Expired - Lifetime DE3679487D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/774,002 US4654406A (en) 1985-09-09 1985-09-09 Preparation of tetrafluoroethylene fine powder

Publications (1)

Publication Number Publication Date
DE3679487D1 true DE3679487D1 (de) 1991-07-04

Family

ID=25099951

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306913T Expired - Lifetime DE3679487D1 (de) 1985-09-09 1986-09-08 Herstellung feinteiliger tetrafluorethylenpulverharze.

Country Status (4)

Country Link
US (1) US4654406A (de)
EP (1) EP0215624B1 (de)
JP (1) JPS62104816A (de)
DE (1) DE3679487D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748217A (en) * 1986-01-27 1988-05-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
GB8628291D0 (en) * 1986-11-26 1986-12-31 Ici Plc Tetrafluoroethylene polymers
DE19528585C2 (de) * 1995-08-03 2002-03-14 Max Planck Gesellschaft Redox-Initiatorsystem für die radikalische Polymerisation und dessen Verwendung
US5955556A (en) 1995-11-06 1999-09-21 Alliedsignal Inc. Method of manufacturing fluoropolymers
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
DE102004013389A1 (de) * 2004-03-17 2005-10-06 Basf Ag Cer-Verbindungen als Initiatoren für die thermische Härtung
US7365044B2 (en) * 2004-03-18 2008-04-29 University Of New Hampshire Chemical for data destruction
EP2840115B1 (de) 2012-04-20 2018-06-06 Daikin Industries, Ltd. Zusammensetzung weitgehend auf basis von ptfe, mischpulver, formmasse, filtermedium für filter, luftfiltereinheit und verfahren zur herstellung einer porösen membran
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
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
JP7227507B2 (ja) 2018-09-28 2023-02-22 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
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
KR20240016337A (ko) 2021-06-04 2024-02-06 다이킨 고교 가부시키가이샤 에어 필터 여과재, 플리트상 여과재, 에어 필터 유닛, 마스크용 여과재, 및 에어 필터 여과재의 재생 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388373A (en) * 1942-04-15 1945-11-06 Goodrich Co B F Catalysts for the addition polymerization of unsaturated organic compounds
US2594560A (en) * 1950-04-27 1952-04-29 Du Pont Low-temperature polymerization of ethylenic compounds using as initiators compositions comprising sodium azide and an oxidant
US2938889A (en) * 1957-06-12 1960-05-31 Du Pont Polymerization of tetrafluoroethylene with selected metal fluorides
US3032543A (en) * 1959-02-04 1962-05-01 Du Pont Polymerization of tetrafluoroethylene

Also Published As

Publication number Publication date
US4654406A (en) 1987-03-31
JPS643884B2 (de) 1989-01-24
JPS62104816A (ja) 1987-05-15
EP0215624A3 (en) 1988-05-04
EP0215624B1 (de) 1991-05-29
EP0215624A2 (de) 1987-03-25

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee