GB2022106A - Preparation of copolyether glycols - Google Patents

Preparation of copolyether glycols

Info

Publication number
GB2022106A
GB2022106A GB7826510A GB7826510A GB2022106A GB 2022106 A GB2022106 A GB 2022106A GB 7826510 A GB7826510 A GB 7826510A GB 7826510 A GB7826510 A GB 7826510A GB 2022106 A GB2022106 A GB 2022106A
Authority
GB
United Kingdom
Prior art keywords
preparation
copolyether glycols
glycols
copolyether
alkanediol
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
GB7826510A
Other versions
GB2022106B (en
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
Priority to GB7826510A priority Critical patent/GB2022106B/en
Publication of GB2022106A publication Critical patent/GB2022106A/en
Application granted granted Critical
Publication of GB2022106B publication Critical patent/GB2022106B/en
Expired legal-status Critical Current

Links

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
    • 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
    • C08G65/26—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 and other compounds
    • C08G65/2642—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 and other compounds characterised by the catalyst used
    • C08G65/2669—Non-metals or compounds thereof
    • C08G65/2678—Sulfur or compounds thereof
    • 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
    • C08G65/26—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 and other compounds
    • C08G65/2642—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 and other compounds characterised by the catalyst used
    • C08G65/2669—Non-metals or compounds thereof
    • C08G65/2684—Halogens or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)

Abstract

Copolymer glycols are prepared by copolymerizing alkylene oxide or cyclic acetals and tetrahydrofuran, using (1) a polymeric catalyst which contains fluoro-sulfonic acid groups; and (2) a chain terminator which is water or an alkanediol. d
GB7826510A 1978-06-08 1978-06-08 Preparation of copolyether glycols Expired GB2022106B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7826510A GB2022106B (en) 1978-06-08 1978-06-08 Preparation of copolyether glycols

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7826510A GB2022106B (en) 1978-06-08 1978-06-08 Preparation of copolyether glycols

Publications (2)

Publication Number Publication Date
GB2022106A true GB2022106A (en) 1979-12-12
GB2022106B GB2022106B (en) 1982-07-14

Family

ID=10497894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7826510A Expired GB2022106B (en) 1978-06-08 1978-06-08 Preparation of copolyether glycols

Country Status (1)

Country Link
GB (1) GB2022106B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995019381A1 (en) * 1994-01-18 1995-07-20 Eastman Chemical Company Polyether glycols and alcohols derived from 3,4-epoxy-1-butene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995019381A1 (en) * 1994-01-18 1995-07-20 Eastman Chemical Company Polyether glycols and alcohols derived from 3,4-epoxy-1-butene
CN1056627C (en) * 1994-01-18 2000-09-20 伊斯特曼化学公司 Polyether glycols and alcohols derived from 3,4-epoxy-1-butene

Also Published As

Publication number Publication date
GB2022106B (en) 1982-07-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930608