DE69804288T2 - Verfahren zur herstellung eines granulierten polytetrafluoroethylenpulvers - Google Patents
Verfahren zur herstellung eines granulierten polytetrafluoroethylenpulversInfo
- Publication number
- DE69804288T2 DE69804288T2 DE69804288T DE69804288T DE69804288T2 DE 69804288 T2 DE69804288 T2 DE 69804288T2 DE 69804288 T DE69804288 T DE 69804288T DE 69804288 T DE69804288 T DE 69804288T DE 69804288 T2 DE69804288 T2 DE 69804288T2
- Authority
- DE
- Germany
- Prior art keywords
- producing
- polytetrafluoroethylene powder
- granulated
- granulated polytetrafluoroethylene
- powder
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19891097 | 1997-07-24 | ||
JP29010897A JP3666210B2 (ja) | 1997-07-24 | 1997-10-22 | ポリテトラフルオロエチレン造粒粉末の製造法 |
PCT/JP1998/003295 WO1999005203A1 (fr) | 1997-07-24 | 1998-07-23 | Procede permettant de produire une poudre granulaire de polytetrafluoroethylene |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69804288D1 DE69804288D1 (de) | 2002-04-25 |
DE69804288T2 true DE69804288T2 (de) | 2002-09-19 |
Family
ID=26511241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69804288T Expired - Lifetime DE69804288T2 (de) | 1997-07-24 | 1998-07-23 | Verfahren zur herstellung eines granulierten polytetrafluoroethylenpulvers |
Country Status (5)
Country | Link |
---|---|
US (1) | US6203733B1 (de) |
EP (1) | EP0930328B1 (de) |
JP (1) | JP3666210B2 (de) |
DE (1) | DE69804288T2 (de) |
WO (1) | WO1999005203A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11236454A (ja) * | 1998-02-24 | 1999-08-31 | Du Pont Mitsui Fluorochem Co Ltd | ポリテトラフルオロエチレン造粒粉末の製造方法 |
JP4698022B2 (ja) * | 2000-12-27 | 2011-06-08 | 三井・デュポンフロロケミカル株式会社 | 充填材入りポリテトラフルオロエチレン成形用粉末の製造方法 |
JP5135658B2 (ja) * | 2001-08-02 | 2013-02-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレンファインパウダー、それから得られるポリテトラフルオロエチレン成形体およびその製造方法 |
US6911489B2 (en) | 2002-06-10 | 2005-06-28 | Asahi Glass Fluoropolymers Usa, Inc. | Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby |
JP5691160B2 (ja) * | 2009-11-19 | 2015-04-01 | 旭硝子株式会社 | ポリテトラフルオロエチレン造粒粉末の製造方法 |
EP3157985A1 (de) * | 2014-06-17 | 2017-04-26 | The Chemours Company FC, LLC | Partikel mit polytetrafluorethylen und perfluoropolyether |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1100388A (en) | 1964-05-18 | 1968-01-24 | Daikin Ind Ltd | Polytetrafluoroethylene powder and method of preparation thereof |
US3527857A (en) | 1965-10-26 | 1970-09-08 | Hoechst Ag | Process for preparing polytetrafluoroethylene-containing powder |
JPS5650947A (en) * | 1979-09-26 | 1981-05-08 | Du Pont | Solution of perfluorinated polymer |
JP3000609B2 (ja) | 1990-03-08 | 2000-01-17 | ダイキン工業株式会社 | ポリテトラフルオロエチレン粒状粉末の製法 |
JPH04218534A (ja) * | 1990-04-24 | 1992-08-10 | Daikin Ind Ltd | フィラー入りポリテトラフルオロエチレン造粒粉末の製造法および該製造法でえられる造粒粉末 |
JP2909918B2 (ja) * | 1990-05-01 | 1999-06-23 | ダイキン工業株式会社 | ポリテトラフルオロエチレン造粒粉末の製造法 |
EP0455210B1 (de) | 1990-05-01 | 1995-08-02 | Daikin Industries, Limited | Verfahren zur Herstellung von körnigem Polytetrafluoroethylenpulver |
JP3500655B2 (ja) * | 1993-04-26 | 2004-02-23 | 旭硝子株式会社 | 含フッ素重合体の造粒方法 |
DE19547907A1 (de) * | 1995-12-21 | 1997-06-26 | Dyneon Gmbh | Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen |
JPH11236454A (ja) * | 1998-02-24 | 1999-08-31 | Du Pont Mitsui Fluorochem Co Ltd | ポリテトラフルオロエチレン造粒粉末の製造方法 |
-
1997
- 1997-10-22 JP JP29010897A patent/JP3666210B2/ja not_active Expired - Fee Related
-
1998
- 1998-07-23 US US09/269,170 patent/US6203733B1/en not_active Expired - Lifetime
- 1998-07-23 DE DE69804288T patent/DE69804288T2/de not_active Expired - Lifetime
- 1998-07-23 EP EP98933909A patent/EP0930328B1/de not_active Expired - Lifetime
- 1998-07-23 WO PCT/JP1998/003295 patent/WO1999005203A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0930328B1 (de) | 2002-03-20 |
JP3666210B2 (ja) | 2005-06-29 |
DE69804288D1 (de) | 2002-04-25 |
EP0930328A1 (de) | 1999-07-21 |
US6203733B1 (en) | 2001-03-20 |
EP0930328A4 (de) | 2000-01-26 |
JPH1192569A (ja) | 1999-04-06 |
WO1999005203A1 (fr) | 1999-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |