PL171431B1 - Sposób oczyszczania zanieczyszczonych fluorowanych kwasów karboksylowych PL PL - Google Patents

Sposób oczyszczania zanieczyszczonych fluorowanych kwasów karboksylowych PL PL

Info

Publication number
PL171431B1
PL171431B1 PL93298658A PL29865893A PL171431B1 PL 171431 B1 PL171431 B1 PL 171431B1 PL 93298658 A PL93298658 A PL 93298658A PL 29865893 A PL29865893 A PL 29865893A PL 171431 B1 PL171431 B1 PL 171431B1
Authority
PL
Poland
Prior art keywords
water
carried out
oxidizing agent
carboxylic acids
pfos
Prior art date
Application number
PL93298658A
Other languages
English (en)
Polish (pl)
Other versions
PL298658A1 (en
Inventor
Ludwig Mayer
Gernot Loehr
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of PL298658A1 publication Critical patent/PL298658A1/xx
Publication of PL171431B1 publication Critical patent/PL171431B1/pl

Links

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

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)
PL93298658A 1992-04-22 1993-04-21 Sposób oczyszczania zanieczyszczonych fluorowanych kwasów karboksylowych PL PL PL171431B1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4213154A DE4213154C1 (https=) 1992-04-22 1992-04-22

Publications (2)

Publication Number Publication Date
PL298658A1 PL298658A1 (en) 1993-12-13
PL171431B1 true PL171431B1 (pl) 1997-04-30

Family

ID=6457194

Family Applications (1)

Application Number Title Priority Date Filing Date
PL93298658A PL171431B1 (pl) 1992-04-22 1993-04-21 Sposób oczyszczania zanieczyszczonych fluorowanych kwasów karboksylowych PL PL

Country Status (7)

Country Link
US (1) US5312935A (https=)
EP (1) EP0566974B1 (https=)
JP (1) JP3517429B2 (https=)
KR (1) KR930021598A (https=)
CA (1) CA2094557A1 (https=)
DE (2) DE4213154C1 (https=)
PL (1) PL171431B1 (https=)

Families Citing this family (41)

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Publication number Priority date Publication date Assignee Title
US5663824A (en) * 1993-11-02 1997-09-02 Lucent Technologies Inc. Optical modulators as monolithically integrated optical isolators
DE19824614A1 (de) 1998-06-02 1999-12-09 Dyneon Gmbh Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern
DE19824615A1 (de) * 1998-06-02 1999-12-09 Dyneon Gmbh Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern
EP1094999B1 (de) * 1998-07-06 2004-09-15 Solvay Fluor und Derivate GmbH Herstellung von fluoridarmen organischen verbindungen
US6252105B1 (en) 1998-07-06 2001-06-26 Solvay Fluor Und Derivate Gmbh Synthesis of low-fluoride organic compounds
DE19933696A1 (de) * 1999-07-17 2001-01-18 Dyneon Gmbh Verfahren zur Rückgewinnung fluorierter Emulgatoren aus wässrigen Phasen
US6794550B2 (en) 2000-04-14 2004-09-21 3M Innovative Properties Company Method of making an aqueous dispersion of fluoropolymers
JP5055652B2 (ja) 2000-08-11 2012-10-24 ダイキン工業株式会社 含フッ素界面活性剤の回収方法
US6281374B1 (en) 2000-08-23 2001-08-28 E. I. Du Pont De Nemours And Company Fluorinated alkanoic acid purification process
US6720437B2 (en) 2001-02-07 2004-04-13 E. I. Du Pont De Nemours And Company Fluorinated carboxylic acid recovery and reuse
US7125941B2 (en) * 2001-03-26 2006-10-24 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
US6737489B2 (en) 2001-05-21 2004-05-18 3M Innovative Properties Company Polymers containing perfluorovinyl ethers and applications for such polymers
US7045571B2 (en) 2001-05-21 2006-05-16 3M Innovative Properties Company Emulsion polymerization of fluorinated monomers
US7279522B2 (en) * 2001-09-05 2007-10-09 3M Innovative Properties Company Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant
US6822059B2 (en) 2002-04-05 2004-11-23 3M Innovative Properties Company Dispersions containing bicomponent fluoropolymer particles and use thereof
US6833418B2 (en) 2002-04-05 2004-12-21 3M Innovative Properties Company Dispersions containing perfluorovinyl ether homopolymers and use thereof
WO2004007639A1 (ja) * 2002-06-13 2004-01-22 Yamasaki Industries Co., Ltd. コークス炭化炉蓋近傍部を昇温促進するコークス炭化炉蓋
AU2003244295A1 (en) * 2002-06-19 2004-01-06 Asahi Glass Company, Limited Process for the recovery of fluorine-containing emulsifiers
WO2004035744A2 (en) * 2002-10-18 2004-04-29 Biostream, Inc. Methods for purifying radiolabelled compounds
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
EP1570917B1 (en) * 2004-03-01 2009-06-10 3M Innovative Properties Company Method of coating a substrate with a fluoropolymer dispersion
GB2427170A (en) * 2005-06-17 2006-12-20 3M Innovative Properties Co Fluoropolymer film having glass microspheres
GB0514387D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
GB0514398D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
US7671112B2 (en) * 2005-07-15 2010-03-02 3M Innovative Properties Company Method of making fluoropolymer dispersion
GB0525978D0 (en) * 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
US20080015304A1 (en) 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
GB2430437A (en) * 2005-09-27 2007-03-28 3M Innovative Properties Co Method of making a fluoropolymer
US7728087B2 (en) 2005-12-23 2010-06-01 3M Innovative Properties Company Fluoropolymer dispersion and method for making the same
US7754795B2 (en) * 2006-05-25 2010-07-13 3M Innovative Properties Company Coating composition
US20070276103A1 (en) * 2006-05-25 2007-11-29 3M Innovative Properties Company Fluorinated Surfactants
US8119750B2 (en) * 2006-07-13 2012-02-21 3M Innovative Properties Company Explosion taming surfactants for the production of perfluoropolymers
US7820851B2 (en) * 2006-09-28 2010-10-26 Perkinelmer Health Sciences, Inc. Isotopically labeled polyfluorinated compound useful as an imaging tracer
EP2132143B1 (en) * 2007-02-16 2012-12-26 3M Innovative Properties Company System and process for the removal of fluorochemicals from water
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
FR2921565B1 (fr) * 2007-09-28 2011-05-20 Rhodia Operations Procede de recuperation d'acides fluorocarboxyliques
EP3385249A1 (en) 2008-06-24 2018-10-10 AGC Inc. Method for purifying fluorinated compound
JP5347851B2 (ja) * 2008-09-08 2013-11-20 ダイキン工業株式会社 フルオロカルボン酸の製造方法
CN106232231B (zh) 2014-04-18 2020-11-20 3M创新有限公司 支链氟化乳化剂的回收
WO2017217333A1 (ja) * 2016-06-16 2017-12-21 ダイキン工業株式会社 炭素数２～２０の含フッ素有機酸の製造方法および炭素数２～２０の含フッ素有機酸を含む組成物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833626A (en) * 1968-09-23 1974-09-03 Chem Nunchritz Veb Process for preparing perfluorinated mono-and dicarboxylic acids
US3709795A (en) * 1970-02-02 1973-01-09 Monsanto Co Purification of carboxylic acids by chemical treatment and distillation
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
DE3606174A1 (de) * 1986-02-26 1987-08-27 Hoechst Ag Verfahren zur herstellung von perfluorcarbonsaeuren
JPH0794401B2 (ja) * 1987-10-30 1995-10-11 株式会社トーケムプロダクツ ｎ―ペルフルオロオクタン酸の分離方法

Also Published As

Publication number Publication date
EP0566974A1 (de) 1993-10-27
KR930021598A (ko) 1993-11-22
US5312935A (en) 1994-05-17
DE4213154C1 (https=) 1993-06-17
CA2094557A1 (en) 1993-10-23
JP3517429B2 (ja) 2004-04-12
HK1007742A1 (en) 1999-04-23
JPH0625072A (ja) 1994-02-01
DE59300654D1 (de) 1995-11-02
PL298658A1 (en) 1993-12-13
EP0566974B1 (de) 1995-09-27

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20110421