DE10004229A1 - Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorpolymeren - Google Patents
Verfahren zur Aufarbeitung wäßriger Dispersionen von FluorpolymerenInfo
- Publication number
- DE10004229A1 DE10004229A1 DE2000104229 DE10004229A DE10004229A1 DE 10004229 A1 DE10004229 A1 DE 10004229A1 DE 2000104229 DE2000104229 DE 2000104229 DE 10004229 A DE10004229 A DE 10004229A DE 10004229 A1 DE10004229 A1 DE 10004229A1
- Authority
- DE
- Germany
- Prior art keywords
- dispersion
- gas
- coagulation
- elastomer
- expanding
- 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.)
- Withdrawn
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 29
- 229920001973 fluoroelastomer Polymers 0.000 title claims abstract description 9
- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 9
- 239000004811 fluoropolymer Substances 0.000 title claims abstract description 9
- 230000015271 coagulation Effects 0.000 title claims description 7
- 238000005345 coagulation Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 description 12
- 239000000706 filtrate Substances 0.000 description 10
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical group FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- AYCANDRGVPTASA-UHFFFAOYSA-N 1-bromo-1,2,2-trifluoroethene Chemical group FC(F)=C(F)Br AYCANDRGVPTASA-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 229920006169 Perfluoroelastomer Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- FOKCKXCUQFKNLD-UHFFFAOYSA-N pent-1-enyl hypofluorite Chemical group C(CC)C=COF FOKCKXCUQFKNLD-UHFFFAOYSA-N 0.000 description 1
- CSJWOWRPMBXQLD-UHFFFAOYSA-N perfluoromethylvinylether group Chemical group FC(=C(C(F)(F)F)F)OC(=C(F)C(F)(F)F)F CSJWOWRPMBXQLD-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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
- C08F6/00—Post-polymerisation treatments
- C08F6/14—Treatment of polymer emulsions
- C08F6/22—Coagulation
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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000104229 DE10004229A1 (de) | 2000-02-01 | 2000-02-01 | Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorpolymeren |
| EP01908761A EP1268573A1 (en) | 2000-02-01 | 2001-01-31 | Process for working up aqueous dispersions of fluoropolymers |
| US09/936,639 US6512089B1 (en) | 2000-02-01 | 2001-01-31 | Process for working up aqueous dispersions of fluoropolymers |
| JP2001557927A JP2003522230A (ja) | 2000-02-01 | 2001-01-31 | フルオロポリマーの水性ディスパージョンの仕上げ方法 |
| AU2001236598A AU2001236598A1 (en) | 2000-02-01 | 2001-01-31 | Process for working up aqueous dispersions of fluoropolymers |
| CA002396630A CA2396630A1 (en) | 2000-02-01 | 2001-01-31 | Process for working up aqueous dispersions of fluoropolymers |
| PCT/US2001/003152 WO2001057096A1 (en) | 2000-02-01 | 2001-01-31 | Process for working up aqueous dispersions of fluoropolymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000104229 DE10004229A1 (de) | 2000-02-01 | 2000-02-01 | Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorpolymeren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10004229A1 true DE10004229A1 (de) | 2001-08-02 |
Family
ID=7629375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2000104229 Withdrawn DE10004229A1 (de) | 2000-02-01 | 2000-02-01 | Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorpolymeren |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1268573A1 (enExample) |
| JP (1) | JP2003522230A (enExample) |
| AU (1) | AU2001236598A1 (enExample) |
| CA (1) | CA2396630A1 (enExample) |
| DE (1) | DE10004229A1 (enExample) |
| WO (1) | WO2001057096A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593416B2 (en) | 2000-02-01 | 2003-07-15 | 3M Innovative Properties Company | Fluoropolymers |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6720360B1 (en) * | 2000-02-01 | 2004-04-13 | 3M Innovative Properties Company | Ultra-clean fluoropolymers |
| KR20080015441A (ko) | 2005-05-12 | 2008-02-19 | 닛토덴코 가부시키가이샤 | 폴리테트라플루오로에틸렌 입자 응집물의 제조 방법 및폴리테트라플루오로에틸렌 성형체의 제조 방법 |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| 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 |
| US20080264864A1 (en) | 2007-04-27 | 2008-10-30 | 3M Innovative Properties Company | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464964A (en) * | 1966-06-13 | 1969-09-02 | Pennsalt Chemicals Corp | Coagulation of polytetrafluoroethylene latex |
| US4623678A (en) * | 1985-04-26 | 1986-11-18 | The Dow Chemical Company | Method for shear coagulation of latex resins |
| DE4233824A1 (de) * | 1992-10-08 | 1994-04-14 | Hoechst Ag | Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorthermoplasten |
-
2000
- 2000-02-01 DE DE2000104229 patent/DE10004229A1/de not_active Withdrawn
-
2001
- 2001-01-31 CA CA002396630A patent/CA2396630A1/en not_active Abandoned
- 2001-01-31 WO PCT/US2001/003152 patent/WO2001057096A1/en not_active Ceased
- 2001-01-31 EP EP01908761A patent/EP1268573A1/en not_active Withdrawn
- 2001-01-31 AU AU2001236598A patent/AU2001236598A1/en not_active Abandoned
- 2001-01-31 JP JP2001557927A patent/JP2003522230A/ja not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593416B2 (en) | 2000-02-01 | 2003-07-15 | 3M Innovative Properties Company | Fluoropolymers |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003522230A (ja) | 2003-07-22 |
| CA2396630A1 (en) | 2001-08-09 |
| WO2001057096A1 (en) | 2001-08-09 |
| AU2001236598A1 (en) | 2001-08-14 |
| EP1268573A1 (en) | 2003-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |