KR970002543B1 - Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups - Google Patents

Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups Download PDF

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Publication number
KR970002543B1
KR970002543B1 KR93702404A KR930702404A KR970002543B1 KR 970002543 B1 KR970002543 B1 KR 970002543B1 KR 93702404 A KR93702404 A KR 93702404A KR 930702404 A KR930702404 A KR 930702404A KR 970002543 B1 KR970002543 B1 KR 970002543B1
Authority
KR
South Korea
Prior art keywords
sulfonic acid
acid groups
catalyst containing
ether glycol
polytetramethylene ether
Prior art date
Application number
KR93702404A
Other languages
English (en)
Inventor
Suriyanarayan Dorai
Marianne Marsi
Gerfried Pruckmayr
Willard Quon
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of KR970002543B1 publication Critical patent/KR970002543B1/ko

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Classifications

    • 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
    • C08G65/04—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 from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/16—Cyclic ethers having four or more ring atoms
    • C08G65/20—Tetrahydrofuran
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
KR93702404A 1991-02-13 1993-08-12 Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups KR970002543B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/654,496 US5118869A (en) 1991-02-13 1991-02-13 Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups
PCT/US1992/000695 WO1992014548A1 (en) 1991-02-13 1992-02-06 Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups

Publications (1)

Publication Number Publication Date
KR970002543B1 true KR970002543B1 (en) 1997-03-06

Family

ID=24625108

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93702404A KR970002543B1 (en) 1991-02-13 1993-08-12 Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups

Country Status (8)

Country Link
US (1) US5118869A (ko)
EP (1) EP0571506B1 (ko)
JP (1) JP2669720B2 (ko)
KR (1) KR970002543B1 (ko)
AU (1) AU1377492A (ko)
DE (1) DE69203343T2 (ko)
ES (1) ES2075687T3 (ko)
WO (1) WO1992014548A1 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335287B4 (de) * 1992-10-16 2005-03-17 E.I. Du Pont De Nemours And Co., Wilmington Block-Copolyether über Oxonium-Kupplung von Poly(tetramethylenether)glycolen
US5502137A (en) * 1994-11-25 1996-03-26 Eastman Chemical Company Polyether glycols and alcohols derived from 3,4-epoxy-1-butene, tetrahydrofuran and an initiator
TW343201B (en) * 1995-12-14 1998-10-21 Du Pont Improved method for manufacturing diacetate esters of polytetramethylene ethers
US5684179A (en) * 1995-12-14 1997-11-04 E. I. Du Pont De Nemours And Company Method for recovering diacetate esters of polytetramethylene ethers
EP0876417B1 (en) * 1996-01-24 1999-09-22 E.I. Du Pont De Nemours And Company Process for the polymerization of cyclic ethers
JP3936402B2 (ja) * 1996-10-15 2007-06-27 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 高フッ素化イオン交換ポリマー粒子含有組成物
US6277512B1 (en) 1999-06-18 2001-08-21 3M Innovative Properties Company Polymer electrolyte membranes from mixed dispersions
US8609805B2 (en) 2009-04-15 2013-12-17 Invista North America S.A R.L. Copolyether glycol manufacturing process
BRPI0923998A2 (pt) * 2009-04-15 2016-01-26 Invista Tech Sarl método para tratar resina de ácido perfluorosulfônico, resina de ácido perfluorosulfônico e processo para fabricar poliéter glicol ou copoliéter glicol
US8372946B2 (en) * 2009-04-15 2013-02-12 Invista North America S.A R.L. Copolyether glycol manufacturing process
KR20120102072A (ko) 2009-12-11 2012-09-17 인비스타 테크놀러지스 에스.에이.알.엘. 올리고머 시클릭 에테르의 해중합
CN102850540A (zh) 2011-07-01 2013-01-02 因温斯特技术公司 用于防止催化剂分离系统中压力累积的改进方法
CN105121110B (zh) 2013-02-11 2017-05-03 因温斯特技术公司 微粒化树脂、其制造和用途
CN103554464A (zh) * 2013-11-14 2014-02-05 国电新能源技术研究院 一种催化四氢呋喃开环聚合的催化体系
TW201529636A (zh) 2013-12-19 2015-08-01 Invista Tech Sarl 經改良的聚四亞甲基醚二醇製造方法
TWI646125B (zh) 2014-01-06 2019-01-01 盧森堡商英威達技術有限公司 共聚醚酯聚醇製法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163115A (en) * 1976-03-31 1979-07-31 E. I. Du Pont De Nemours And Company Preparation of esters of poly-(tetramethylene ether) glycol
JPS52138598A (en) * 1976-03-31 1977-11-18 Du Pont Process for preparing poly*tetramethylene ether*glycol
US4120903A (en) * 1977-03-30 1978-10-17 E. I. Du Pont De Nemours And Company Method for preparing poly(tetramethylene ether) glycol
US4202964A (en) * 1978-03-16 1980-05-13 E. I. Du Pont De Nemours And Company Method for reducing oligomeric cyclic ether content of a polymerizate
FR2429234A1 (fr) * 1978-06-20 1980-01-18 Du Pont Procede perfectionne pour la preparation de copolyether-glycols
US4255240A (en) * 1979-06-04 1981-03-10 E. I. Du Pont De Nemours And Company Ion-exchange structures of copolymer blends
DE3236432A1 (de) * 1982-10-01 1984-04-05 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von polyoxybutylen-polyoxyalkylenglykolcarbonsaeurediester
EP0235998A3 (en) * 1986-02-25 1988-06-08 The Dow Chemical Company Supported fluorocarbonsulfonic acid polymers and methods for their preparation

Also Published As

Publication number Publication date
EP0571506B1 (en) 1995-07-05
EP0571506A1 (en) 1993-12-01
JPH06505291A (ja) 1994-06-16
DE69203343T2 (de) 1996-02-22
ES2075687T3 (es) 1995-10-01
US5118869A (en) 1992-06-02
WO1992014548A1 (en) 1992-09-03
DE69203343D1 (de) 1995-08-10
AU1377492A (en) 1992-09-15
JP2669720B2 (ja) 1997-10-29

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