HK1007742A1 - Purification of fluorinated carboxylic acids - Google Patents

Purification of fluorinated carboxylic acids

Info

Publication number
HK1007742A1
HK1007742A1 HK98106874A HK98106874A HK1007742A1 HK 1007742 A1 HK1007742 A1 HK 1007742A1 HK 98106874 A HK98106874 A HK 98106874A HK 98106874 A HK98106874 A HK 98106874A HK 1007742 A1 HK1007742 A1 HK 1007742A1
Authority
HK
Hong Kong
Prior art keywords
purification
carboxylic acids
fluorinated carboxylic
fluorinated
acids
Prior art date
Application number
HK98106874A
Other languages
English (en)
Inventor
Ludwig Mayer
Gernot Lohr
Original Assignee
Dyneon Gmbh
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 Dyneon Gmbh filed Critical Dyneon Gmbh
Publication of HK1007742A1 publication Critical patent/HK1007742A1/xx

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)
HK98106874A 1992-04-22 1998-06-26 Purification of fluorinated carboxylic acids HK1007742A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK1007742A1 true HK1007742A1 (en) 1999-04-23

Family

ID=6457194

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98106874A HK1007742A1 (en) 1992-04-22 1998-06-26 Purification of fluorinated carboxylic acids

Country Status (8)

Country Link
US (1) US5312935A (fr)
EP (1) EP0566974B1 (fr)
JP (1) JP3517429B2 (fr)
KR (1) KR930021598A (fr)
CA (1) CA2094557A1 (fr)
DE (2) DE4213154C1 (fr)
HK (1) HK1007742A1 (fr)
PL (1) PL171431B1 (fr)

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
DE19824615A1 (de) * 1998-06-02 1999-12-09 Dyneon Gmbh Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern
DE19824614A1 (de) 1998-06-02 1999-12-09 Dyneon Gmbh Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern
EP1481958B1 (fr) * 1998-07-06 2008-03-26 Solvay Fluor GmbH Préparation de composés organiques à faible teneur en fluorure
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
US6833418B2 (en) 2002-04-05 2004-12-21 3M Innovative Properties Company Dispersions containing perfluorovinyl ether homopolymers and use thereof
US6822059B2 (en) 2002-04-05 2004-11-23 3M Innovative Properties Company Dispersions containing bicomponent fluoropolymer particles and use thereof
WO2004007639A1 (fr) * 2002-06-13 2004-01-22 Yamasaki Industries Co., Ltd. Couvercle de four de carbonisation du coke favorisant un accroissement de la temperature des particules de charbon a proximite dudit couvercle
CN100381366C (zh) * 2002-06-19 2008-04-16 笹仓机械工程有限公司 含氟乳化剂的回收方法
CA2502358C (fr) * 2002-10-18 2012-03-13 John F. Valliant Procede de purification de composes radiomarques
ATE529451T1 (de) * 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
DE602004021467D1 (de) * 2004-03-01 2009-07-23 3M Innovative Properties Co Verfahren zum Beschichten eines Gegenstands mit einer fluorhaltigen Kunststoffsdispersion
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
US20080015304A1 (en) * 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
GB0525978D0 (en) * 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
GB0514398D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
US7671112B2 (en) * 2005-07-15 2010-03-02 3M Innovative Properties Company Method of making fluoropolymer dispersion
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
US20070276103A1 (en) * 2006-05-25 2007-11-29 3M Innovative Properties Company Fluorinated Surfactants
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
US7820851B2 (en) * 2006-09-28 2010-10-26 Perkinelmer Health Sciences, Inc. Isotopically labeled polyfluorinated compound useful as an imaging tracer
JP5226701B2 (ja) * 2007-02-16 2013-07-03 スリーエム イノベイティブ プロパティズ カンパニー 水からフッ素性化学物質を除去するためのシステム及びプロセス
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
WO2009157416A1 (fr) 2008-06-24 2009-12-30 旭硝子株式会社 Procédé de purification d’un composé contenant du fluor
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
JP6532524B2 (ja) 2014-04-18 2019-06-19 スリーエム イノベイティブ プロパティズ カンパニー 分枝状フッ素化乳化剤の回収
WO2017217333A1 (fr) * 2016-06-16 2017-12-21 ダイキン工業株式会社 Procédé de production d'un fluor c2–c20 contenant un acide organique, et d'une composition contenant un fluor c2–c20 contenant un acide organique

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
JPH0625072A (ja) 1994-02-01
EP0566974A1 (fr) 1993-10-27
KR930021598A (ko) 1993-11-22
US5312935A (en) 1994-05-17
JP3517429B2 (ja) 2004-04-12
DE4213154C1 (fr) 1993-06-17
PL298658A1 (en) 1993-12-13
PL171431B1 (pl) 1997-04-30
DE59300654D1 (de) 1995-11-02
EP0566974B1 (fr) 1995-09-27
CA2094557A1 (fr) 1993-10-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)