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BR9001939A - Processo para purificacao de produtos de adicao de oxido de alquileno - Google Patents

Processo para purificacao de produtos de adicao de oxido de alquileno

Info

Publication number
BR9001939A
BR9001939A BR909001939A BR9001939A BR9001939A BR 9001939 A BR9001939 A BR 9001939A BR 909001939 A BR909001939 A BR 909001939A BR 9001939 A BR9001939 A BR 9001939A BR 9001939 A BR9001939 A BR 9001939A
Authority
BR
Brazil
Prior art keywords
purification
alkylene oxide
addition products
oxide addition
products
Prior art date
Application number
BR909001939A
Other languages
English (en)
Inventor
Ignaz Wimmer
Siegfried Billenstein
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of BR9001939A publication Critical patent/BR9001939A/pt

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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BR909001939A 1989-04-27 1990-04-26 Processo para purificacao de produtos de adicao de oxido de alquileno BR9001939A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3913937A DE3913937A1 (de) 1989-04-27 1989-04-27 Verfahren zur reinigung von alkylenoxid-addukten

Publications (1)

Publication Number Publication Date
BR9001939A true BR9001939A (pt) 1991-07-30

Family

ID=6379610

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909001939A BR9001939A (pt) 1989-04-27 1990-04-26 Processo para purificacao de produtos de adicao de oxido de alquileno

Country Status (12)

Country Link
US (1) US5012013A (pt)
EP (1) EP0394984B1 (pt)
JP (1) JPH02304037A (pt)
KR (1) KR900016076A (pt)
AR (1) AR246121A1 (pt)
AT (1) ATE90326T1 (pt)
AU (1) AU619400B2 (pt)
BR (1) BR9001939A (pt)
CA (1) CA2015434A1 (pt)
DE (2) DE3913937A1 (pt)
ES (1) ES2042132T3 (pt)
MX (1) MX173779B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268510A (en) * 1992-10-08 1993-12-07 Vista Chemical Company Process for purification of alkoxylated alcohols
US5416241A (en) * 1994-01-27 1995-05-16 Arco Chemical Technology, L.P. Method for purifying polyether polyols made with double metal cyanide catalysts
AU1750895A (en) * 1995-01-24 1996-08-14 Dow Quimica S.A. Polyglycol finishing process
SE9902364D0 (sv) * 1999-06-21 1999-06-21 Astra Ab New process
JP2004514554A (ja) * 2000-11-30 2004-05-20 ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション 新規なアンチモン触媒組成物
US7495063B2 (en) * 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000963A (en) * 1959-05-11 1961-09-19 Jefferson Chem Co Inc Process for refining crude polymers and adducts of propylene oxide
CA1122152A (en) * 1977-08-09 1982-04-20 Romolo Montanari Extracting aromatic hydrocarbons from mixtures containing same
JPS54109907A (en) * 1978-02-17 1979-08-29 Nippon Saafuakutanto Kougiyou Purification of alkylene oxide added matter
JPS5770124A (en) * 1980-10-20 1982-04-30 Dai Ichi Kogyo Seiyaku Co Ltd Purification of polyether-polyol

Also Published As

Publication number Publication date
JPH02304037A (ja) 1990-12-17
DE3913937A1 (de) 1990-10-31
AU619400B2 (en) 1992-01-23
US5012013A (en) 1991-04-30
ATE90326T1 (de) 1993-06-15
MX173779B (es) 1994-03-25
CA2015434A1 (en) 1990-10-27
ES2042132T3 (es) 1993-12-01
EP0394984B1 (de) 1993-06-09
AU5387290A (en) 1990-11-01
DE59001665D1 (de) 1993-07-15
KR900016076A (ko) 1990-11-12
AR246121A1 (es) 1994-03-30
EP0394984A1 (de) 1990-10-31

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law