CA2511860C - Separation of bifunctional perfluoropolyethers (pfpes) having -ch2oh termination from their mixtures with -ch2oh monofunctional pfpes - Google Patents

Separation of bifunctional perfluoropolyethers (pfpes) having -ch2oh termination from their mixtures with -ch2oh monofunctional pfpes Download PDF

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Publication number
CA2511860C
CA2511860C CA2511860A CA2511860A CA2511860C CA 2511860 C CA2511860 C CA 2511860C CA 2511860 A CA2511860 A CA 2511860A CA 2511860 A CA2511860 A CA 2511860A CA 2511860 C CA2511860 C CA 2511860C
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CA
Canada
Prior art keywords
process according
mixture
solid phase
perfluoropolyethers
solvent
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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 - Lifetime
Application number
CA2511860A
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English (en)
French (fr)
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CA2511860A1 (en
Inventor
Alexandre Tchistiakov
Simonetta Fontana
Claudio Tonelli
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Syensqo Specialty Polymers Italy SpA
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Solvay Solexis SpA
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Publication of CA2511860A1 publication Critical patent/CA2511860A1/en
Application granted granted Critical
Publication of CA2511860C publication Critical patent/CA2511860C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA2511860A 2004-07-09 2005-07-08 Separation of bifunctional perfluoropolyethers (pfpes) having -ch2oh termination from their mixtures with -ch2oh monofunctional pfpes Expired - Lifetime CA2511860C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001370A ITMI20041370A1 (it) 2004-07-09 2004-07-09 Separazione di perfluioropolirteri -pepe-bifunzionali a termninazione-ch20h dalle loro miscele con pepe monofunzionali-ch2oh
ITMI2004A001370 2004-07-09

Publications (2)

Publication Number Publication Date
CA2511860A1 CA2511860A1 (en) 2006-01-09
CA2511860C true CA2511860C (en) 2013-10-01

Family

ID=35058410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2511860A Expired - Lifetime CA2511860C (en) 2004-07-09 2005-07-08 Separation of bifunctional perfluoropolyethers (pfpes) having -ch2oh termination from their mixtures with -ch2oh monofunctional pfpes

Country Status (6)

Country Link
US (1) US7288682B2 (https=)
EP (2) EP1810987B1 (https=)
JP (1) JP4928750B2 (https=)
CA (1) CA2511860C (https=)
DE (2) DE602005010113D1 (https=)
IT (1) ITMI20041370A1 (https=)

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US9145471B2 (en) 2011-10-28 2015-09-29 Solvay Specialty Polymers Italy S.P.A. Process for enriching the difunctional content of (per) fluopolyether mixtures
EP2914358B1 (en) 2012-11-05 2017-03-08 Solvay Specialty Polymers Italy S.p.A. Process for the purification of (per)fluoropolyethers with carboxylate end groups
JP5668888B1 (ja) 2013-08-23 2015-02-12 ダイキン工業株式会社 パーフルオロ（ポリ）エーテル基含有カルボン酸化合物の分離方法
JP6219221B2 (ja) * 2014-04-10 2017-10-25 信越化学工業株式会社 片末端ヒドロキシル基含有パーフルオロポリエーテル化合物を含む組成物の製造方法
US10351669B2 (en) 2014-11-19 2019-07-16 Solvay Specialty Polymers Italy S.P.A. Amino derivatives of perfluoropolyethers
EP3221382B1 (en) 2014-11-19 2020-05-06 Solvay Specialty Polymers Italy S.p.A. Zwitterionic derivatives of (per)fluoropolyethers
US10533071B2 (en) 2014-11-27 2020-01-14 Solvay Specialty Polymers Italy S.P.A. Mixtures of mono-, bi- and non-functional fluorinated polymers comprising a plurality of (per)fluoropolyether segments
WO2016083279A1 (en) 2014-11-27 2016-06-02 Solvay Specialty Polymers Italy S.P.A. Bifunctional fluorinated polymers comprising a plurality of (per)fluoropolyether segments
WO2016096684A1 (en) 2014-12-15 2016-06-23 Solvay Specialty Polymers Italy S.P.A. Water-based composition comprising a fluorinated polymer
US10723839B2 (en) 2015-07-09 2020-07-28 Solvay Specialty Polymers Italy S.P.A. Process for the synthesis of (per)fluoropolyether amines
WO2017016943A1 (en) 2015-07-24 2017-02-02 Solvay Specialty Polymers Italy S.P.A. Method for recovering sulfonic esters or sulfonyl halides from salts of sulfonic acids
EP3374415A1 (en) 2015-11-11 2018-09-19 Solvay Specialty Polymers Italy S.p.A. Novel hydroxy-terminated (per)fluoropolyether-urethane polymers and their use in clear-coat compositions
CN108699232A (zh) 2016-02-23 2018-10-23 索尔维特殊聚合物意大利有限公司 用于制造氟化聚合物的方法和由其获得的聚合物
WO2017153310A1 (en) 2016-03-08 2017-09-14 Solvay Specialty Polymers Italy S.P.A. Curable liquid formulation and use thereof
EP3222325A1 (en) 2016-03-25 2017-09-27 Solvay Specialty Polymers Italy S.p.A. Lipstick formulations
WO2018038213A1 (ja) 2016-08-25 2018-03-01 ダイキン工業株式会社 パーフルオロ（ポリ）エーテル基含有アルコール化合物の分離方法
WO2018078001A1 (en) 2016-10-28 2018-05-03 Solvay Specialty Polymers Italy S.P.A. Method for preventing corrosion of metal articles
WO2018197341A1 (en) 2017-04-24 2018-11-01 Solvay Specialty Polymers Italy S.P.A. Aromatic sulfone polymers comprising (per)fluoropolyether segments
CN111148778B (zh) 2017-09-01 2023-06-02 索尔维特殊聚合物意大利有限公司 （全）氟聚醚聚合物及其用途
WO2019078171A1 (ja) * 2017-10-16 2019-04-25 国立大学法人京都大学 ポリマー化合物の濃縮もしくは分離方法
WO2019101698A1 (en) 2017-11-23 2019-05-31 Solvay Specialty Polymers Italy S.P.A. A multilayer assembly for electrochemical cells
WO2019101697A1 (en) 2017-11-23 2019-05-31 Solvay Specialty Polymers Italy S.P.A. A method for preventing corrosion of metal articles
WO2019121829A1 (en) 2017-12-22 2019-06-27 Rhodia Operations Methods and compositions for the surface treatment of substrates and articles obtained therewith
TWI825261B (zh) 2019-02-08 2023-12-11 義大利商首威專業聚合物義大利公司 （全）氟聚醚（ｐｆｐｅ）聚合物
KR20230070443A (ko) * 2020-09-16 2023-05-23 에이지씨 가부시키가이샤 분리 방법
TW202225258A (zh) 2020-10-14 2022-07-01 義大利商首威專業聚合物義大利公司 新穎的（全）氟聚醚聚合物及其用途
JP2025517555A (ja) 2022-05-31 2025-06-05 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 新規な（パー）フルオロポリエーテルポリマー及びその使用
US12545601B2 (en) 2023-07-14 2026-02-10 Claros Technologies Inc. Methods and systems of photosensitizer recovery for improved PFAS destruction
US12534390B2 (en) 2023-07-14 2026-01-27 Claros Technologies Inc. Methods and systems of nitrate removal in aqueous systems for improved PFAS destruction
US12351498B2 (en) 2023-07-14 2025-07-08 Claros Technologies Inc. Methods and systems of PFAS destruction using UV irradiation at 222 nanometers

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US3847978A (en) 1968-07-01 1974-11-12 Montedison Spa Perfluorinated linear polyethers having reactive terminal groups at both ends of the chain and process for the preparation thereof
US3810874A (en) 1969-03-10 1974-05-14 Minnesota Mining & Mfg Polymers prepared from poly(perfluoro-alkylene oxide) compounds
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US4647413A (en) 1983-12-27 1987-03-03 Minnesota Mining And Manufacturing Company Perfluoropolyether oligomers and polymers
IT1201498B (it) 1985-11-20 1989-02-02 Ausimont Spa Perfluoropolieteri funzionalizzati e procedimento per la loro preparazione
IT1188635B (it) 1986-03-27 1988-01-20 Ausimont Spa Lubrificanti per fluoropolieterei interni per mezzi magnetici di registrazione
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Also Published As

Publication number Publication date
US20060009660A1 (en) 2006-01-12
CA2511860A1 (en) 2006-01-09
JP4928750B2 (ja) 2012-05-09
DE602005000854T2 (de) 2007-12-20
EP1810987B1 (en) 2008-10-01
EP1810987A1 (en) 2007-07-25
EP1614703B1 (en) 2007-04-11
US7288682B2 (en) 2007-10-30
ITMI20041370A1 (it) 2004-10-09
JP2006022334A (ja) 2006-01-26
EP1614703A1 (en) 2006-01-11
DE602005010113D1 (de) 2008-11-13
DE602005000854D1 (de) 2007-05-24

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