CN1223571C - 氟代羧酸的回收和重新使用 - Google Patents

氟代羧酸的回收和重新使用 Download PDF

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Publication number
CN1223571C
CN1223571C CN02804653.6A CN02804653A CN1223571C CN 1223571 C CN1223571 C CN 1223571C CN 02804653 A CN02804653 A CN 02804653A CN 1223571 C CN1223571 C CN 1223571C
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CN
China
Prior art keywords
fluorocarboxylic
solution
recovered
fluorocarboxylic acid
polymerization
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.)
Expired - Fee Related
Application number
CN02804653.6A
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English (en)
Chinese (zh)
Other versions
CN1491203A (zh
Inventor
C·W·琼斯
T·－W·付
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of CN1491203A publication Critical patent/CN1491203A/zh
Application granted granted Critical
Publication of CN1223571C publication Critical patent/CN1223571C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
CN02804653.6A 2001-02-07 2002-02-06 氟代羧酸的回收和重新使用 Expired - Fee Related CN1223571C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26695201P 2001-02-07 2001-02-07
US60/266,952 2001-02-07

Publications (2)

Publication Number Publication Date
CN1491203A CN1491203A (zh) 2004-04-21
CN1223571C true CN1223571C (zh) 2005-10-19

Family

ID=23016655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN02804653.6A Expired - Fee Related CN1223571C (zh) 2001-02-07 2002-02-06 氟代羧酸的回收和重新使用

Country Status (6)

Country Link
US (1) US6720437B2 (enExample)
EP (1) EP1366011B1 (enExample)
JP (1) JP4071111B2 (enExample)
CN (1) CN1223571C (enExample)
DE (1) DE60217073T2 (enExample)
WO (1) WO2002062742A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20021581A1 (it) * 2002-07-18 2004-01-19 Ausimont Spa Procedimento di abbattimento di tensioattivi anionici fluorurati
AU2003268760A1 (en) * 2002-11-29 2004-06-23 Daikin Industries, Ltd. Method for purification of aqueous fluoropolymer emulsions, purified emulsions, and fluorine-containing finished articles
US6991732B2 (en) * 2003-07-02 2006-01-31 Arkema Process for the recovery of fluorosurfactants by active charcoal
FR2856934B1 (fr) * 2003-07-02 2005-08-19 Atofina Procede de recuperation de tensioactifs fluores par du charbon actif
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
EP1533325B1 (en) * 2003-11-17 2011-10-19 3M Innovative Properties Company Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant
EP1561742B1 (en) * 2004-02-05 2012-11-21 3M Innovative Properties Company Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith
US7790041B2 (en) * 2004-08-11 2010-09-07 E.I. Du Pont De Nemours And Company Removing fluorosurfactant from aqueous fluoropolymer dispersions
CN101001888B (zh) * 2004-08-11 2010-09-29 纳幕尔杜邦公司 用吸着剂袋从含氟聚合物水性分散体中去除含氟表面活性剂
US20070023360A1 (en) * 2005-08-01 2007-02-01 Noelke Charles J Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches
US20060074178A1 (en) * 2004-09-24 2006-04-06 Agc Chemicals Americas, Inc. Process for preparing aqueous fluoropolymer dispersions and the concentrated aqueous fluoropolymer dispersions produced by such process
US7666927B2 (en) * 2004-12-22 2010-02-23 E.I. Du Pont De Nemours And Company Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines
US7619018B2 (en) * 2004-12-22 2009-11-17 E.I. Du Pont De Nemours And Company Process for removing fluorosurfactant from aqueous fluoropolymer dispersions and reducing scum formation
US7671111B2 (en) * 2005-02-10 2010-03-02 E.I. Du Pont De Nemours And Company Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions
US20060178472A1 (en) * 2005-02-10 2006-08-10 Johnson David W Process for producing low fluorosurfactant-containing aqueous fluoropolymer dispersions with controlled pH
EP1700869A1 (en) * 2005-03-11 2006-09-13 3M Innovative Properties Company Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups
ITMI20050705A1 (it) * 2005-04-20 2006-10-21 Solvay Solexis Spa Processo per la preparazione di dispersori di fluoropolimeri
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
GB2430437A (en) * 2005-09-27 2007-03-28 3M Innovative Properties Co Method of making a fluoropolymer
US7666929B2 (en) * 2006-05-31 2010-02-23 E.I. Du Pont De Nemours And Company Process for reducing fluorosurfactant content of fluropolymer dispersions using anionic surfactant-treated anion exchange resin
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
WO2008101137A1 (en) * 2007-02-16 2008-08-21 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
US11452987B2 (en) 2019-06-19 2022-09-27 The Johns Hopkins University Contaminate sequestering coatings and methods of using the same
US12378138B2 (en) 2019-06-19 2025-08-05 The Johns Hopkins University Contaminant-sequestering coatings and methods of using the same
WO2020260702A1 (en) 2019-06-28 2020-12-30 Katholieke Universiteit Leuven Adsorptive removal of perfluorinated or partially fluorinated surfactants

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL121076C (enExample) 1959-05-05
US3882153A (en) 1969-09-12 1975-05-06 Kureha Chemical Ind Co Ltd Method for recovering fluorinated carboxylic acid
JPS51119164A (en) 1975-04-10 1976-10-19 Nichinan:Kk Method for removing fluorine ions present in water
DE2903981A1 (de) 1979-02-02 1980-08-07 Hoechst Ag Rueckgewinnung fluorierter emulgatorsaeuren aus basischen anionenaustauschern
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
US4623487A (en) 1985-03-14 1986-11-18 E. I. Du Pont De Nemours & Company Process for recovery of fluorosurfactants
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
JPH01190676A (ja) 1988-01-23 1989-07-31 Daikin Ind Ltd ２，２，３，３−テトラフルオロオキセタンの精製方法
JPH0753276B2 (ja) 1989-10-03 1995-06-07 栗田工業株式会社 フッ化物含有水の処理方法
DE4213154C1 (enExample) 1992-04-22 1993-06-17 Hoechst Ag, 6230 Frankfurt, De
JP3466646B2 (ja) 1992-08-25 2003-11-17 栗田工業株式会社 フッ化水素及びフッ化アンモニウム含有水の処理方法
DE4402694A1 (de) 1993-06-02 1995-08-03 Hoechst Ag Verfahren zur Rückgewinnung von fluorierten Carbonsäuren
US5391709A (en) 1993-11-17 1995-02-21 E. I. Du Pont De Nemours And Company Purification process of PTFE using fiber bed and heated air
EP0731081B1 (de) * 1995-03-09 1998-04-15 Dyneon GmbH Rückgewinnung hochfluorierter Carbonsäuren aus der Gasphase

Also Published As

Publication number Publication date
JP2004529873A (ja) 2004-09-30
US6720437B2 (en) 2004-04-13
DE60217073T2 (de) 2007-07-12
DE60217073D1 (de) 2007-02-08
WO2002062742A1 (en) 2002-08-15
EP1366011A1 (en) 2003-12-03
EP1366011B1 (en) 2006-12-27
US20020151748A1 (en) 2002-10-17
JP4071111B2 (ja) 2008-04-02
CN1491203A (zh) 2004-04-21

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20051019

Termination date: 20140206