ES2111385T3 - Proceso para purificar polioles. - Google Patents

Proceso para purificar polioles.

Info

Publication number
ES2111385T3
ES2111385T3 ES95900754T ES95900754T ES2111385T3 ES 2111385 T3 ES2111385 T3 ES 2111385T3 ES 95900754 T ES95900754 T ES 95900754T ES 95900754 T ES95900754 T ES 95900754T ES 2111385 T3 ES2111385 T3 ES 2111385T3
Authority
ES
Spain
Prior art keywords
polyol
extractor
compound
monool
polyoxyalkylene
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
ES95900754T
Other languages
English (en)
Inventor
Patrick Margriet Gas Goegebeur
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of ES2111385T3 publication Critical patent/ES2111385T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/38—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/46—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
    • C08G65/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

SE PRESENTA UN PROCESO PARA REDUCIR EL NIVEL DE IONES DE METAL Y/O COMPUESTOS DE METAL EN UN MONOOL O POLIOL DE POLIOXIALQUILENO QUE TIENE UN PESO MOLECULAR MEDIO DE ENTRE 500-25000 PUENTEANDO EL MONOOL O POLIOL EN CONTACTO CON UN COMPUESTO EXTRACTOR QUE ES UN POLIOL O UNA MEZCLA DE POLIOLES QUE TIENE UN PESO MOLECULAR MEDIO DE AL MENOS 500 Y QUE ES INMISCIBLE CON EL MONOOL O POLIOL DE POLIOXIALQUILENO, MEZCLANDO EL COMPUESTO EXTRACTOR Y EL MONOOL O POLIOL DE POLIOXIALQUILENO, PERMITIENDO QUE EL COMPUESTO EXTRACTOR Y EL MONOOL O POLIOL DE POLIOXALQUILENO SE SEPAREN Y ELIMINANDO EL COMPUESTO EXTRACTOR.
ES95900754T 1993-12-13 1994-11-17 Proceso para purificar polioles. Expired - Lifetime ES2111385T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939325468A GB9325468D0 (en) 1993-12-13 1993-12-13 Process for purifying polyols

Publications (1)

Publication Number Publication Date
ES2111385T3 true ES2111385T3 (es) 1998-03-01

Family

ID=10746521

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95900754T Expired - Lifetime ES2111385T3 (es) 1993-12-13 1994-11-17 Proceso para purificar polioles.

Country Status (13)

Country Link
US (1) US5449841A (es)
EP (1) EP0734407B1 (es)
JP (1) JPH09506644A (es)
KR (1) KR960706521A (es)
CN (1) CN1052016C (es)
AU (1) AU679134B2 (es)
CA (1) CA2175191A1 (es)
DE (1) DE69407622T2 (es)
ES (1) ES2111385T3 (es)
GB (1) GB9325468D0 (es)
HK (1) HK1004607A1 (es)
MY (1) MY111426A (es)
WO (1) WO1995016724A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291797B1 (en) 1996-08-13 2001-09-18 Nippon Sheet Glass Co., Ltd. Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device
KR19980059285A (ko) * 1996-12-31 1998-10-07 박영구 반응 혼합물로부터 폴리올 화합물을 분리 정제하는 방법
AU6666298A (en) 1997-02-25 1998-09-09 Exxon Chemical Patents Inc. Corona discharge treated films having excellent coefficients of friction
US5962749A (en) * 1997-12-24 1999-10-05 Bayer Corporation Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols
US6806348B2 (en) 2003-02-11 2004-10-19 Basf Corporation Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol
CN1321099C (zh) * 2005-09-28 2007-06-13 蓝仁水 从稀水溶液中浓缩低级多元醇的工艺方法
US10150837B2 (en) 2016-06-23 2018-12-11 Covestro Llc Processes for removing water from a polyether polyol
CN109575268A (zh) 2018-11-02 2019-04-05 佳化化学（滨州）有限公司 一种聚醚多元醇的精制方法及精制装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174670A1 (en) * 1972-03-06 1973-10-19 Maries Kuhlmann Wyandott Polyols purificn - by centrifuging a water/polyol/solvent mixt
US4038329A (en) * 1975-11-17 1977-07-26 Eastman Kodak Company Process for purification of neopentyl glycol
DE3607946A1 (de) * 1986-03-11 1987-09-17 Basf Ag Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden
JPH0193133A (ja) * 1987-10-05 1989-04-12 Nec Corp 半導体装置の製造方法
EP0394487B2 (en) * 1988-10-25 2005-02-16 Asahi Glass Co., Ltd. Elastic polyurethane foam and process for its production
US4908150A (en) * 1989-02-02 1990-03-13 Lever Brothers Company Stabilized lipolytic enzyme-containing liquid detergent composition
EP0385526A3 (en) * 1989-02-27 1991-09-11 Unilever N.V. Enzymatic liquid detergent composition
US5010047A (en) * 1989-02-27 1991-04-23 Arco Chemical Technology, Inc. Recovery of double metal cyanide complex catalyst from a polymer
US5099075A (en) * 1990-11-02 1992-03-24 Olin Corporation Process for removing double metal cyanide catalyst residues from a polyol
US5144093A (en) * 1991-04-29 1992-09-01 Olin Corporation Process for purifying and end-capping polyols made using double metal cyanide catalysts
US5288921A (en) * 1992-06-16 1994-02-22 Imperial Chemical Industries Plc Process for reducing unsaturation on polyols
US5248833A (en) * 1992-09-22 1993-09-28 Arco Chemical Technology, L.P. Process for purifying polyols made with double metal cyanide catalysts

Also Published As

Publication number Publication date
CN1137279A (zh) 1996-12-04
US5449841A (en) 1995-09-12
DE69407622D1 (de) 1998-02-05
KR960706521A (ko) 1996-12-09
CN1052016C (zh) 2000-05-03
CA2175191A1 (en) 1995-06-22
EP0734407B1 (en) 1997-12-29
MY111426A (en) 2000-04-29
HK1004607A1 (en) 1998-11-27
AU679134B2 (en) 1997-06-19
DE69407622T2 (de) 1998-04-23
GB9325468D0 (en) 1994-02-16
WO1995016724A1 (en) 1995-06-22
EP0734407A1 (en) 1996-10-02
AU8144394A (en) 1995-07-03
JPH09506644A (ja) 1997-06-30

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