ES2077411T3 - Preparacion del glicol de politetrametileneter usando un catalizador acido de circonia. - Google Patents

Preparacion del glicol de politetrametileneter usando un catalizador acido de circonia.

Info

Publication number
ES2077411T3
ES2077411T3 ES92908458T ES92908458T ES2077411T3 ES 2077411 T3 ES2077411 T3 ES 2077411T3 ES 92908458 T ES92908458 T ES 92908458T ES 92908458 T ES92908458 T ES 92908458T ES 2077411 T3 ES2077411 T3 ES 2077411T3
Authority
ES
Spain
Prior art keywords
glycol
politetrametileneter
zirconia
preparation
acid catalyst
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 - Lifetime
Application number
ES92908458T
Other languages
English (en)
Inventor
Melvin Charles Baker
Suriyanarayan Dorai
James Arnold Schultz
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
Application granted granted Critical
Publication of ES2077411T3 publication Critical patent/ES2077411T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08G65/26—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
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • C08G65/266—Metallic elements not covered by group C08G65/2648 - C08G65/2645, 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
    • C08G65/04—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

UN PROCESO PARA POLIMERIZAR TETRAHIDROFURANO PARA PRODUCIR GLICOL ETHER POLITETRAMETILENO O GLICOL ETER POLITETRAMETILENO ESTER ENCAPSULADO. LA REACCION EN MASA SE LLEVA A CABO ENTRE 10 REFERIDO DEL INVENTO, UNA MEZCLA DE ANHIDRIDO ACETICO Y ACIDO ACETICO ESTA PRESENTE EN LA MEZCLA DE REACCION
ES92908458T 1991-02-26 1992-02-06 Preparacion del glicol de politetrametileneter usando un catalizador acido de circonia. Expired - Lifetime ES2077411T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/661,010 US5149862A (en) 1991-02-26 1991-02-26 Preparation of polytetramethylene ether glycol using an acidic zirconia catalyst

Publications (1)

Publication Number Publication Date
ES2077411T3 true ES2077411T3 (es) 1995-11-16

Family

ID=24651828

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92908458T Expired - Lifetime ES2077411T3 (es) 1991-02-26 1992-02-06 Preparacion del glicol de politetrametileneter usando un catalizador acido de circonia.

Country Status (8)

Country Link
US (1) US5149862A (es)
EP (1) EP0573602B1 (es)
JP (1) JP2976383B2 (es)
KR (1) KR100193017B1 (es)
AU (1) AU1581392A (es)
DE (1) DE69203859T2 (es)
ES (1) ES2077411T3 (es)
WO (1) WO1992014773A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5344964A (en) * 1993-11-24 1994-09-06 Industrial Technology Research Institute Method for preparing ester end-capped polyalkylene ether
DE4433606A1 (de) * 1994-09-21 1996-03-28 Basf Ag Verfahren zur Herstellung von Polyetrahydrofuran
DE19527532A1 (de) * 1995-07-27 1997-01-30 Basf Ag Verfahren zur Herstellung von Polyoxytetramethylenglycol
US5684179A (en) * 1995-12-14 1997-11-04 E. I. Du Pont De Nemours And Company Method for recovering diacetate esters of polytetramethylene ethers
TW343201B (en) * 1995-12-14 1998-10-21 Du Pont Improved method for manufacturing diacetate esters of polytetramethylene ethers
DE19641481A1 (de) * 1996-10-09 1998-04-16 Basf Ag Verbessertes Verfahren zur Herstellung von Polytetrahydrofuran
DE19719875A1 (de) * 1997-05-12 1998-11-19 Basf Ag Verfahren zur Polymerisation cyclischer Ether
DE19726507A1 (de) * 1997-06-23 1998-12-24 Basf Ag Verbessertes Verfahren zur Herstellung von Polytetrahydrofuran
TW442513B (en) 1999-05-19 2001-06-23 Dairen Chemical Corp Method for preparing polyether diol
DE10032266A1 (de) 2000-07-03 2002-01-17 Basf Ag Verbessertes Verfahren zur einstufigen Herstellung von Polytetrahydrofuran und Tetrahydrofuran-Copolymeren
DE10324998A1 (de) * 2003-06-03 2004-12-23 Basf Ag Herstellung von Polyetheralkoholen unter Verwendung der DMC-Katalyse
CN102216254A (zh) * 2008-11-18 2011-10-12 因温斯特技术公司 1,2-二氨基环己烷和化学方法
US8551192B2 (en) * 2009-04-15 2013-10-08 Invista North America S.A.R.L. Miscibility of otherwise immiscible compounds
US8609805B2 (en) 2009-04-15 2013-12-17 Invista North America S.A R.L. Copolyether glycol manufacturing process
US8372946B2 (en) * 2009-04-15 2013-02-12 Invista North America S.A R.L. Copolyether glycol manufacturing process
WO2011071503A1 (en) 2009-12-11 2011-06-16 Invista Technologies S.A.R.L. Depolymerization of oligomeric cyclic ethers
JP6263877B2 (ja) * 2013-07-03 2018-01-24 三菱ケミカル株式会社 ポリアルキレンエーテルグリコールジエステルの製造方法
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
DK3589612T3 (da) 2017-02-28 2021-06-21 Bayer Cropscience Ag Fremgangsmåde til fremstilling af fluoralkylnitriler og de tilsvarende fluoralkyltetrazoler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445961C2 (de) * 1974-09-26 1983-12-01 Basf Ag, 6700 Ludwigshafen Verfahren zur Polymerisation von Tetrahydrofuran
US4163115A (en) * 1976-03-31 1979-07-31 E. I. Du Pont De Nemours And Company Preparation of esters of poly-(tetramethylene ether) glycol
DE2951080A1 (de) * 1979-12-19 1981-07-02 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von carbonsaeureestern von alkylenglykolethern
DE3008174A1 (de) * 1980-03-04 1981-09-24 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von carbonsaeureestern von alkylenglykolethern
DE3211635A1 (de) * 1982-03-30 1983-10-06 Bayer Ag Verfahren zur herstellung von polyetrahydrofuranen mit esterendgruppen
US4727199A (en) * 1985-07-10 1988-02-23 Union Carbide Corporation Heterogeneous alkoxylation using anion-bound metal oxides

Also Published As

Publication number Publication date
US5149862A (en) 1992-09-22
JPH06505515A (ja) 1994-06-23
JP2976383B2 (ja) 1999-11-10
WO1992014773A1 (en) 1992-09-03
KR100193017B1 (ko) 1999-06-15
EP0573602B1 (en) 1995-08-02
DE69203859T2 (de) 1996-03-14
DE69203859D1 (de) 1995-09-07
AU1581392A (en) 1992-09-15
EP0573602A1 (en) 1993-12-15

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