RU2288923C2 - Способ получения водной дисперсии фторполимеров - Google Patents
Способ получения водной дисперсии фторполимеров Download PDFInfo
- Publication number
- RU2288923C2 RU2288923C2 RU2002127791/04A RU2002127791A RU2288923C2 RU 2288923 C2 RU2288923 C2 RU 2288923C2 RU 2002127791/04 A RU2002127791/04 A RU 2002127791/04A RU 2002127791 A RU2002127791 A RU 2002127791A RU 2288923 C2 RU2288923 C2 RU 2288923C2
- Authority
- RU
- Russia
- Prior art keywords
- dispersion
- fluoropolymer
- aqueous
- emulsifier
- fluorinated
- Prior art date
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 62
- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 50
- 239000004811 fluoropolymer Substances 0.000 title claims abstract description 50
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 40
- 238000004821 distillation Methods 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 13
- 239000012875 nonionic emulsifier Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims description 29
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 11
- 229920001973 fluoroelastomer Polymers 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 230000008016 vaporization Effects 0.000 claims 2
- 125000002091 cationic group Chemical group 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001404 mediated effect Effects 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 49
- 239000000047 product Substances 0.000 description 14
- 238000007720 emulsion polymerization reaction Methods 0.000 description 11
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 9
- 150000001298 alcohols Chemical class 0.000 description 8
- -1 alkane carboxylic acids Chemical class 0.000 description 8
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 6
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 125000002877 alkyl aryl group Chemical group 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 238000005349 anion exchange Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 1
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 1
- BZPCMSSQHRAJCC-UHFFFAOYSA-N 1,2,3,3,4,4,5,5,5-nonafluoro-1-(1,2,3,3,4,4,5,5,5-nonafluoropent-1-enoxy)pent-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)=C(F)OC(F)=C(F)C(F)(F)C(F)(F)C(F)(F)F BZPCMSSQHRAJCC-UHFFFAOYSA-N 0.000 description 1
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- DAVCAHWKKDIRLY-UHFFFAOYSA-N 1-ethenoxy-1,1,2,2,3,3,3-heptafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)OC=C DAVCAHWKKDIRLY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920002113 octoxynol Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- 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
- C08F6/16—Purification
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10018853A DE10018853C2 (de) | 2000-04-14 | 2000-04-14 | Herstellung wässriger Dispersionen von Fluorpolymeren |
| DE10018853.2 | 2000-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2002127791A RU2002127791A (ru) | 2004-04-10 |
| RU2288923C2 true RU2288923C2 (ru) | 2006-12-10 |
Family
ID=7638956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2002127791/04A RU2288923C2 (ru) | 2000-04-14 | 2001-04-10 | Способ получения водной дисперсии фторполимеров |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP1274771B1 (enExample) |
| JP (1) | JP2003531232A (enExample) |
| CN (1) | CN1177883C (enExample) |
| AT (1) | ATE301151T1 (enExample) |
| AU (1) | AU2001249959A1 (enExample) |
| CA (1) | CA2403957A1 (enExample) |
| DE (2) | DE10018853C2 (enExample) |
| PL (1) | PL357819A1 (enExample) |
| RU (1) | RU2288923C2 (enExample) |
| TW (1) | TW575613B (enExample) |
| WO (1) | WO2001079332A1 (enExample) |
| ZA (1) | ZA200209244B (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7279522B2 (en) | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
| WO2004050719A1 (ja) * | 2002-11-29 | 2004-06-17 | Daikin Industries, Ltd. | 含フッ素ポリマー水性エマルション精製方法、精製エマルション及び含フッ素加工品 |
| EP1441014A1 (en) * | 2003-01-22 | 2004-07-28 | 3M Innovative Properties Company | Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant |
| EP1452571B1 (en) * | 2003-02-28 | 2005-08-17 | 3M Innovative Properties Company | Fluoropolymer dispersion containing no or little low molecular weight fluorinated surfactant |
| ITMI20032050A1 (it) | 2003-10-21 | 2005-04-22 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri. |
| EP1529785B1 (en) | 2003-10-24 | 2011-03-16 | 3M Innovative Properties Company | Aqueous dispersions of polytetrafluoroethylene particles |
| ATE529451T1 (de) | 2003-11-17 | 2011-11-15 | 3M Innovative Properties Co | Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren |
| ITMI20040031A1 (it) | 2004-01-14 | 2004-04-14 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri |
| ATE433350T1 (de) * | 2004-03-01 | 2009-06-15 | 3M Innovative Properties Co | Verfahren zum beschichten eines gegenstands mit einer fluorhaltigen kunststoffsdispersion |
| JP4788139B2 (ja) * | 2004-12-17 | 2011-10-05 | 旭硝子株式会社 | ポリテトラフルオロエチレン水性分散液 |
| ITMI20050705A1 (it) | 2005-04-20 | 2006-10-21 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri |
| US8814861B2 (en) | 2005-05-12 | 2014-08-26 | Innovatech, Llc | Electrosurgical electrode and method of manufacturing same |
| US8338518B2 (en) | 2005-06-10 | 2012-12-25 | Arkema Inc. | Aqueous process for making a stable fluoropolymer dispersion |
| US20060281845A1 (en) * | 2005-06-10 | 2006-12-14 | Ramin Amin-Sanayei | Aqueous process for making fluoropolymers |
| GB0523853D0 (en) | 2005-11-24 | 2006-01-04 | 3M Innovative Properties Co | Fluorinated surfactants for use in making a fluoropolymer |
| GB0525978D0 (en) | 2005-12-21 | 2006-02-01 | 3M Innovative Properties Co | Fluorinated Surfactants For Making Fluoropolymers |
| US7671112B2 (en) | 2005-07-15 | 2010-03-02 | 3M Innovative Properties Company | Method of making fluoropolymer dispersion |
| GB0514398D0 (en) | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| JP2007231072A (ja) * | 2006-02-28 | 2007-09-13 | Three M Innovative Properties Co | コーティング組成物及びそれを使用した物品 |
| EP1845116A1 (en) * | 2006-04-11 | 2007-10-17 | Solvay Solexis S.p.A. | Fluoropolymer dispersion purification |
| US7754795B2 (en) | 2006-05-25 | 2010-07-13 | 3M Innovative Properties Company | Coating composition |
| US8119750B2 (en) | 2006-07-13 | 2012-02-21 | 3M Innovative Properties Company | Explosion taming surfactants for the production of perfluoropolymers |
| US20100113691A1 (en) * | 2008-11-06 | 2010-05-06 | E. I. Du Pont De Nemours And Company | Fluoro olefin polymerization |
| US8329813B2 (en) | 2009-05-08 | 2012-12-11 | E I Du Pont De Nemours And Company | Thermal reduction of fluoroether carboxylic acids or salts from fluoropolymer dispersions |
| RU2012120435A (ru) | 2009-10-16 | 2013-11-27 | Асахи Гласс Компани, Лимитед | Способ получения водной политетрафторэтиленовой дисперсии для процесса коагуляции и водная политетрафторэтиленовая дисперсия для процесса коагуляции |
| US9644055B2 (en) | 2012-05-23 | 2017-05-09 | Daikin Industries, Ltd. | Method for producing aqueous fluorine-containing polymer dispersing element, and purified aqueous fluorine-containing polymer dispersing element |
| JP7311825B2 (ja) * | 2020-09-07 | 2023-07-20 | 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水性分散液 |
| LU601231A1 (en) * | 2023-08-28 | 2025-05-28 | George Alexander Ivey | Composition and Method for Remediation of PFAS Contaminants |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609497A (en) * | 1985-03-14 | 1986-09-02 | E. I. Du Pont De Nemours And Company | Process for separating surfactants used in the manufacture of concentrated fluoropolymer dispersions |
| US4623487A (en) * | 1985-03-14 | 1986-11-18 | E. I. Du Pont De Nemours & Company | Process for recovery of fluorosurfactants |
| RU2141490C1 (ru) * | 1993-12-01 | 1999-11-20 | Дюнеон ГмбХ | Водная дисперсия фторполимеров и способ ее получения |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246142A (ja) * | 1985-03-14 | 1986-11-01 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | 弗素系表面活性剤の回収方法 |
| DE19726802C1 (de) * | 1997-06-24 | 1998-06-10 | Dyneon Gmbh | Wäßrige Dispersion von Fluorpolymeren unterschiedlicher Teilchengröße |
| US6169139B1 (en) * | 1998-04-27 | 2001-01-02 | Dupont Dow Elastomers Llc | Fluoroelastomer latex |
| DE19857111A1 (de) * | 1998-12-11 | 2000-06-15 | Dyneon Gmbh | Wäßrige Dispersionen von Fluorpolymeren |
-
2000
- 2000-04-14 DE DE10018853A patent/DE10018853C2/de not_active Expired - Fee Related
-
2001
- 2001-04-10 DE DE60112420T patent/DE60112420T2/de not_active Expired - Lifetime
- 2001-04-10 CN CNB018079970A patent/CN1177883C/zh not_active Expired - Fee Related
- 2001-04-10 WO PCT/US2001/011628 patent/WO2001079332A1/en not_active Ceased
- 2001-04-10 RU RU2002127791/04A patent/RU2288923C2/ru not_active IP Right Cessation
- 2001-04-10 AU AU2001249959A patent/AU2001249959A1/en not_active Abandoned
- 2001-04-10 PL PL01357819A patent/PL357819A1/xx not_active Application Discontinuation
- 2001-04-10 CA CA002403957A patent/CA2403957A1/en not_active Abandoned
- 2001-04-10 EP EP01923247A patent/EP1274771B1/en not_active Expired - Lifetime
- 2001-04-10 JP JP2001576922A patent/JP2003531232A/ja not_active Ceased
- 2001-04-10 AT AT01923247T patent/ATE301151T1/de not_active IP Right Cessation
- 2001-04-13 TW TW090108921A patent/TW575613B/zh not_active IP Right Cessation
-
2002
- 2002-11-13 ZA ZA200209244A patent/ZA200209244B/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609497A (en) * | 1985-03-14 | 1986-09-02 | E. I. Du Pont De Nemours And Company | Process for separating surfactants used in the manufacture of concentrated fluoropolymer dispersions |
| US4623487A (en) * | 1985-03-14 | 1986-11-18 | E. I. Du Pont De Nemours & Company | Process for recovery of fluorosurfactants |
| RU2141490C1 (ru) * | 1993-12-01 | 1999-11-20 | Дюнеон ГмбХ | Водная дисперсия фторполимеров и способ ее получения |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2403957A1 (en) | 2001-10-25 |
| EP1274771A1 (en) | 2003-01-15 |
| EP1274771B1 (en) | 2005-08-03 |
| DE10018853A1 (de) | 2001-10-25 |
| AU2001249959A1 (en) | 2001-10-30 |
| PL357819A1 (en) | 2004-07-26 |
| CN1177883C (zh) | 2004-12-01 |
| DE60112420T2 (de) | 2006-06-01 |
| ZA200209244B (en) | 2003-07-18 |
| TW575613B (en) | 2004-02-11 |
| ATE301151T1 (de) | 2005-08-15 |
| WO2001079332A1 (en) | 2001-10-25 |
| DE60112420D1 (de) | 2005-09-08 |
| DE10018853C2 (de) | 2002-07-18 |
| CN1423671A (zh) | 2003-06-11 |
| JP2003531232A (ja) | 2003-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2288923C2 (ru) | Способ получения водной дисперсии фторполимеров | |
| US6794550B2 (en) | Method of making an aqueous dispersion of fluoropolymers | |
| US6833403B1 (en) | Aqueous dispersions of fluoropolymers | |
| EP1688441B1 (en) | Process for producing aqueous fluoropolymer dispersion and aqueous fluoropolymer dispersion | |
| JP2006522836A (ja) | 溶融加工可能なフルオロポリマーを含み、フッ素化界面活性剤の量を減少させた水性フルオロポリマー分散体 | |
| US20070015866A1 (en) | Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant | |
| US7678848B2 (en) | Process for preparing fluoropolymer dispersions | |
| US20050189299A1 (en) | Process for preparing fluoropolymer dispersions | |
| CN101668783A (zh) | 使用阴离子交换树脂和pH依赖性表面活性剂从含氟聚合物分散体中移除氟化乳化剂的方法和含有pH依赖性表面活性剂的含氟聚合物分散体 | |
| CN102428106B (zh) | 热致减少含氟聚合物分散体中的氟代醚羧酸或盐 | |
| EP3201242B1 (en) | Method of making fluoropolymer dispersions | |
| US20060178472A1 (en) | Process for producing low fluorosurfactant-containing aqueous fluoropolymer dispersions with controlled pH | |
| CA2522837C (en) | Process for removing fluorine-containing emulsifier from aqueous dispersions of fluoropolymers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20090411 |