JPH1077341A5 - - Google Patents

Info

Publication number
JPH1077341A5
JPH1077341A5 JP1997206253A JP20625397A JPH1077341A5 JP H1077341 A5 JPH1077341 A5 JP H1077341A5 JP 1997206253 A JP1997206253 A JP 1997206253A JP 20625397 A JP20625397 A JP 20625397A JP H1077341 A5 JPH1077341 A5 JP H1077341A5
Authority
JP
Japan
Prior art keywords
solvent
extraction
stationary phase
units
molecular weight
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.)
Granted
Application number
JP1997206253A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1077341A (ja
JP4347429B2 (ja
Filing date
Publication date
Priority claimed from IT96MI001672A external-priority patent/IT1283646B1/it
Application filed filed Critical
Publication of JPH1077341A publication Critical patent/JPH1077341A/ja
Publication of JPH1077341A5 publication Critical patent/JPH1077341A5/ja
Application granted granted Critical
Publication of JP4347429B2 publication Critical patent/JP4347429B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP20625397A 1996-08-02 1997-07-31 二官能性高分子の分離方法 Expired - Lifetime JP4347429B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI001672A IT1283646B1 (it) 1996-08-02 1996-08-02 Processo di preparazione di perfluoropolieteri
IT96A001672 1996-08-02

Publications (3)

Publication Number Publication Date
JPH1077341A JPH1077341A (ja) 1998-03-24
JPH1077341A5 true JPH1077341A5 (https=) 2005-05-12
JP4347429B2 JP4347429B2 (ja) 2009-10-21

Family

ID=11374749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20625397A Expired - Lifetime JP4347429B2 (ja) 1996-08-02 1997-07-31 二官能性高分子の分離方法

Country Status (6)

Country Link
US (1) US5910614A (https=)
EP (1) EP0822216B1 (https=)
JP (1) JP4347429B2 (https=)
CA (1) CA2212070C (https=)
DE (1) DE69707215T2 (https=)
IT (1) IT1283646B1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290462B1 (it) * 1997-04-08 1998-12-03 Ausimont Spa Polimeri idrogenati modificati
EP0947533B1 (en) * 1998-04-01 2004-03-03 Shin-Etsu Chemical Co., Ltd. Polymers of hexafluoropropene oxide, their manufacture and use
JP4501111B2 (ja) * 2002-10-18 2010-07-14 旭硝子株式会社 ペルフルオロポリエーテル誘導体
US7038068B2 (en) * 2004-03-16 2006-05-02 Hitachi Global Storage Technologies Netherlands B.V. Method for liquid/liquid extraction of molecular weight fractions of perfluorinated polyethers
ITMI20041370A1 (it) * 2004-07-09 2004-10-09 Solvay Solexis Spa Separazione di perfluioropolirteri -pepe-bifunzionali a termninazione-ch20h dalle loro miscele con pepe monofunzionali-ch2oh
US9345806B2 (en) * 2006-06-08 2016-05-24 Solvay Solexis S.P.A. Manufacture of medical implants
WO2009043928A1 (en) * 2007-10-05 2009-04-09 Solvay Solexis S.P.A. Process for the manufacture of polyol perfluoropolyether derivative
EP2100910A1 (en) * 2008-03-14 2009-09-16 Solvay Solexis S.p.A. Process for the purification of polyol PFPE derivative
KR101699565B1 (ko) * 2009-05-15 2017-01-24 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. 폴리올 ｐｆｐｅ 유도체의 정제 방법
JP5707393B2 (ja) * 2009-05-15 2015-04-30 ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア ポリオールｐｆｐｅ誘導体の精製方法
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
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
US20180319982A1 (en) 2015-11-05 2018-11-08 Solvay Specialty Polymers Italy S.P.A. Method for the manufacture of (per)fluoropolyether modified polyamides and polyamides obtainable with such method
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
JP2019524971A (ja) 2016-08-31 2019-09-05 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． （ペル）フルオロポリエーテル単位とポリ（オルガノシロキサン）単位とを含むポリアミド
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
CN116874765A (zh) * 2022-06-23 2023-10-13 浙江大学 液液萃取分离单羧酸盐端基全氟聚醚和双羧酸盐端基全氟聚醚的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242218A (en) * 1936-08-14 1941-05-20 Auer Laszlo Sizing textiles
US3715378A (en) * 1967-02-09 1973-02-06 Montedison Spa Fluorinated peroxy polyether copolymers and method for preparing them from tetrafluoroethylene
US3665041A (en) * 1967-04-04 1972-05-23 Montedison Spa Perfluorinated polyethers and process for their preparation
US3810874A (en) * 1969-03-10 1974-05-14 Minnesota Mining & Mfg Polymers prepared from poly(perfluoro-alkylene oxide) compounds
NL7100763A (https=) * 1970-01-24 1971-07-27
DE3486428T2 (de) * 1983-12-26 1996-10-10 Daikin Ind Ltd Halogen enthaltendes Polyether
JPS61251666A (ja) * 1985-04-30 1986-11-08 Nippon Steel Chem Co Ltd パ−フルオロ−ｎ−アルキルデカヒドロキノリン類の精製法
IT1188635B (it) * 1986-03-27 1988-01-20 Ausimont Spa Lubrificanti per fluoropolieterei interni per mezzi magnetici di registrazione
IT1251965B (it) * 1991-10-21 1995-05-27 Ausimont Spa Procedimento per separare tra loro le specie non funzionali, monofunzionali e bifunzionali presenti nei perfluoropoliossialchileni.
IT1251964B (it) * 1991-10-21 1995-05-27 Ausimont Spa Procedimento per separare tra loro specie non funzionali, monofunzionali e bifunzionali presenti nei perfluoropoliossialchileni.
GB9407886D0 (en) * 1994-04-21 1994-06-15 Ici Plc Purification process

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