JP2007520552A - フッ酸界面活性剤が付着した吸着性粒子からフッ酸界面活性剤を回収する方法 - Google Patents
フッ酸界面活性剤が付着した吸着性粒子からフッ酸界面活性剤を回収する方法 Download PDFInfo
- Publication number
- JP2007520552A JP2007520552A JP2006552125A JP2006552125A JP2007520552A JP 2007520552 A JP2007520552 A JP 2007520552A JP 2006552125 A JP2006552125 A JP 2006552125A JP 2006552125 A JP2006552125 A JP 2006552125A JP 2007520552 A JP2007520552 A JP 2007520552A
- Authority
- JP
- Japan
- Prior art keywords
- hydrofluoric acid
- acid surfactant
- surfactant
- adsorbent particles
- mixture
- 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.)
- Pending
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 82
- 239000002245 particle Substances 0.000 title claims abstract description 80
- 239000003463 adsorbent Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 239000002253 acid Substances 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 150000002148 esters Chemical class 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000032050 esterification Effects 0.000 claims abstract description 10
- 238000005886 esterification reaction Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000003957 anion exchange resin Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000000274 adsorptive effect Effects 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 36
- 230000008929 regeneration Effects 0.000 description 35
- 238000011069 regeneration method Methods 0.000 description 35
- 229920002313 fluoropolymer Polymers 0.000 description 27
- 239000004811 fluoropolymer Substances 0.000 description 26
- YOALFLHFSFEMLP-UHFFFAOYSA-N azane;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoic acid Chemical compound [NH4+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YOALFLHFSFEMLP-UHFFFAOYSA-N 0.000 description 25
- 239000012530 fluid Substances 0.000 description 18
- 238000011084 recovery Methods 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical compound OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 description 12
- 238000004821 distillation Methods 0.000 description 12
- 239000012071 phase Substances 0.000 description 12
- 239000002351 wastewater Substances 0.000 description 12
- -1 polytetrafluoroethylene Polymers 0.000 description 8
- 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 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 229920001429 chelating resin Polymers 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 239000004744 fabric Substances 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
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- XOCNYZFAMHDXJK-UHFFFAOYSA-N methyl 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound COC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F XOCNYZFAMHDXJK-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000012492 regenerant Substances 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000002843 carboxylic acid group Chemical group 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 238000004375 physisorption Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical group [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 238000000944 Soxhlet extraction Methods 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012609 strong anion exchange resin Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04075377A EP1561742B1 (en) | 2004-02-05 | 2004-02-05 | Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith |
| PCT/US2005/001152 WO2005077880A1 (en) | 2004-02-05 | 2005-01-14 | Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007520552A true JP2007520552A (ja) | 2007-07-26 |
| JP2007520552A5 JP2007520552A5 (enExample) | 2011-06-23 |
Family
ID=34673713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006552125A Pending JP2007520552A (ja) | 2004-02-05 | 2005-01-14 | フッ酸界面活性剤が付着した吸着性粒子からフッ酸界面活性剤を回収する方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7754914B2 (enExample) |
| EP (1) | EP1561742B1 (enExample) |
| JP (1) | JP2007520552A (enExample) |
| CN (1) | CN100471831C (enExample) |
| RU (1) | RU2382762C2 (enExample) |
| WO (1) | WO2005077880A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008530313A (ja) * | 2005-02-10 | 2008-08-07 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | フルオロポリマー水性分散液からフッ素系界面活性剤を除去する方法におけるカラム漏出のモニタリング |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7795332B2 (en) | 2005-07-15 | 2010-09-14 | 3M Innovative Properties Company | Method of removing fluorinated carboxylic acid from aqueous liquid |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| US7666928B2 (en) | 2006-05-31 | 2010-02-23 | E.I. Du Pont De Nemours And Company | Staged addition of non-fluorinated anionic surfactant to reduced fluorosurfactant fluoropolymer dispersion |
| 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 |
| US20090281261A1 (en) * | 2008-05-09 | 2009-11-12 | E. I. Du Pont De Nemours And Company | Abatement of Fluoroether Carboxylic Acids or Salts Employed in Fluoropolymer Resin Manufacture |
| WO2015160926A1 (en) * | 2014-04-18 | 2015-10-22 | 3M Innovative Properties Company | Recovery of branched fluorinated emulsifiers |
| CN114835196A (zh) | 2016-04-13 | 2022-08-02 | 新兴化合物处理技术股份有限公司 | 一种用于从水中去除和浓缩全氟和多氟烷基物质(pfas)的可持续系统和方法 |
| AU2021221747A1 (en) * | 2021-06-07 | 2022-12-22 | Enviropacific Services Limited | Processes for recovering pfas from solid sorbents |
| CN115252571B (zh) * | 2022-06-17 | 2023-09-22 | 南京大学 | 一种多孔胺化有机氟胶囊及其制法与应用 |
| WO2025212369A1 (en) | 2024-04-04 | 2025-10-09 | Lanxess Corporation | Compositions for regenerating ion exchange resins loaded with per- and polyfluorinated alkyl substances |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0753465A (ja) * | 1993-06-02 | 1995-02-28 | Hoechst Ag | フッ素化カルボン酸の回収方法 |
| JP2002516885A (ja) * | 1998-06-02 | 2002-06-11 | ダイネオン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト | 廃水からの弗素化アルカン酸の回収方法 |
| JP2002516892A (ja) * | 1998-06-02 | 2002-06-11 | ダイネオン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト | 廃水からの弗素化アルカン酸の回収方法 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882153A (en) * | 1969-09-12 | 1975-05-06 | Kureha Chemical Ind Co Ltd | Method for recovering fluorinated carboxylic acid |
| DE2407834A1 (de) | 1974-02-19 | 1975-09-04 | Kali Chemie Ag | Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren |
| DE2903981A1 (de) | 1979-02-02 | 1980-08-07 | Hoechst Ag | Rueckgewinnung fluorierter emulgatorsaeuren aus basischen anionenaustauschern |
| DE2949907A1 (de) * | 1979-12-12 | 1981-06-19 | Hoechst Ag, 6230 Frankfurt | Fluorpolymere mit schalenmodifizierten teilchen und verfahren zu deren herstellung |
| JPS631296Y2 (enExample) | 1980-03-13 | 1988-01-13 | ||
| US4446109A (en) | 1980-09-22 | 1984-05-01 | Peabody Process Systems, Inc. | System for dry scrubbing of flue gas |
| 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 |
| US4639337A (en) | 1985-03-14 | 1987-01-27 | E. I. Du Pont De Nemours And Company | Process for separating surfactants from liquid used in the manufacture of concentrated fluoropolymer dispersions |
| US5229480A (en) | 1992-09-03 | 1993-07-20 | E. I. Du Pont De Nemours And Company | Vinyl fluoride polymerization |
| IT1265067B1 (it) | 1993-05-18 | 1996-10-30 | Ausimont Spa | Processo di (co)polimerizzazione in emulsione acquosa di monomeri olefinici fluorurati |
| JP2829706B2 (ja) | 1994-07-11 | 1998-12-02 | 三井・デュポンフロロケミカル株式会社 | フルオロポリマー水性エマルジョン及びその製造方法 |
| JP3298321B2 (ja) | 1994-08-31 | 2002-07-02 | ダイキン工業株式会社 | ビニリデンフルオライド系共重合体水性分散液、ビニリデンフルオライド系シード重合体水性分散液およびそれらの製法 |
| IT1270703B (it) | 1994-11-17 | 1997-05-07 | Ausimont Spa | Microemulsioni di fluoropoliossialchileni in miscela con idrocarburi, e loro uso in processi di (co)polimerizzazione di monomeri fluorurati |
| US5895799A (en) | 1995-01-18 | 1999-04-20 | W. L. Gore & Associates, Inc. | Microemulsion polymerization process for the production of small polytetrafluoroethylene polymer particles |
| US5688884A (en) | 1995-08-31 | 1997-11-18 | E. I. Du Pont De Nemours And Company | Polymerization process |
| IT1276072B1 (it) | 1995-10-31 | 1997-10-24 | Ausimont Spa | Processo di (co)polimerizzazione di monomeri fluorurati per ottenere polimeri contenenti idrogeno |
| JPH108041A (ja) | 1996-06-21 | 1998-01-13 | Daikin Ind Ltd | 水分散型フッ素系撥水撥油剤 |
| IT1295535B1 (it) | 1996-07-01 | 1999-05-12 | Ausimont Spa | Processo di polimerizzazione di vinilidenfluoruro (vdf) |
| US5763552A (en) | 1996-07-26 | 1998-06-09 | E. I. Du Pont De Nemours And Company | Hydrogen-containing flourosurfacant and its use in polymerization |
| IT1290428B1 (it) | 1997-03-21 | 1998-12-03 | Ausimont Spa | Grassi fluorurati |
| EP1160258B1 (en) | 1998-10-13 | 2004-07-14 | Daikin Industries, Ltd. | Process for producing fluoropolymer |
| DE19857111A1 (de) | 1998-12-11 | 2000-06-15 | Dyneon Gmbh | Wäßrige Dispersionen von Fluorpolymeren |
| US6429258B1 (en) | 1999-05-20 | 2002-08-06 | E. I. Du Pont De Nemours & Company | Polymerization of fluoromonomers |
| ITMI991269A1 (it) | 1999-06-08 | 2000-12-08 | Ausimont Spa | Miscele di dispersioni di fluoropolimeri |
| DE19932771A1 (de) | 1999-07-14 | 2001-01-18 | Dyneon Gmbh | Verfahren zur Eluierung fluorierter Emulgatoren |
| KR100381453B1 (ko) * | 2000-11-16 | 2003-05-01 | 아신기술 주식회사 | 초산폐수의 처리 방법 및 장치 |
| US6720437B2 (en) | 2001-02-07 | 2004-04-13 | E. I. Du Pont De Nemours And Company | Fluorinated carboxylic acid recovery and reuse |
| EP1561729A1 (en) | 2004-02-05 | 2005-08-10 | 3M Innovative Properties Company | Removal of fluorinated surfactants from waste water |
-
2004
- 2004-02-05 EP EP04075377A patent/EP1561742B1/en not_active Expired - Lifetime
-
2005
- 2005-01-14 CN CNB2005800042732A patent/CN100471831C/zh not_active Expired - Lifetime
- 2005-01-14 JP JP2006552125A patent/JP2007520552A/ja active Pending
- 2005-01-14 US US11/036,432 patent/US7754914B2/en not_active Expired - Fee Related
- 2005-01-14 WO PCT/US2005/001152 patent/WO2005077880A1/en not_active Ceased
- 2005-01-14 RU RU2006128620/04A patent/RU2382762C2/ru not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0753465A (ja) * | 1993-06-02 | 1995-02-28 | Hoechst Ag | フッ素化カルボン酸の回収方法 |
| JP2002516885A (ja) * | 1998-06-02 | 2002-06-11 | ダイネオン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト | 廃水からの弗素化アルカン酸の回収方法 |
| JP2002516892A (ja) * | 1998-06-02 | 2002-06-11 | ダイネオン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディトゲゼルシャフト | 廃水からの弗素化アルカン酸の回収方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008530313A (ja) * | 2005-02-10 | 2008-08-07 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | フルオロポリマー水性分散液からフッ素系界面活性剤を除去する方法におけるカラム漏出のモニタリング |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100471831C (zh) | 2009-03-25 |
| EP1561742A1 (en) | 2005-08-10 |
| EP1561742B1 (en) | 2012-11-21 |
| WO2005077880A1 (en) | 2005-08-25 |
| US7754914B2 (en) | 2010-07-13 |
| CN1918107A (zh) | 2007-02-21 |
| US20050177000A1 (en) | 2005-08-11 |
| RU2006128620A (ru) | 2008-03-20 |
| RU2382762C2 (ru) | 2010-02-27 |
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