BR9510295A - Processo de acabamento de poliglicol - Google Patents

Processo de acabamento de poliglicol

Info

Publication number
BR9510295A
BR9510295A BR9510295A BR9510295A BR9510295A BR 9510295 A BR9510295 A BR 9510295A BR 9510295 A BR9510295 A BR 9510295A BR 9510295 A BR9510295 A BR 9510295A BR 9510295 A BR9510295 A BR 9510295A
Authority
BR
Brazil
Prior art keywords
polyglycol
finishing process
finishing
polyglycol finishing
Prior art date
Application number
BR9510295A
Other languages
English (en)
Inventor
Oliveira Abel De
Souza Sergio Ferauche
Ricardo Araujo
Original Assignee
Dow Quimica S A
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 Dow Quimica S A filed Critical Dow Quimica S A
Priority to BR9510295A priority Critical patent/BR9510295A/pt
Publication of BR9510295A publication Critical patent/BR9510295A/pt

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
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
    • 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
BR9510295A 1995-01-24 1995-01-24 Processo de acabamento de poliglicol BR9510295A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9510295A BR9510295A (pt) 1995-01-24 1995-01-24 Processo de acabamento de poliglicol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/BR1995/000005 WO1996023019A1 (en) 1995-01-24 1995-01-24 Polyglycol finishing process
BR9510295A BR9510295A (pt) 1995-01-24 1995-01-24 Processo de acabamento de poliglicol

Publications (1)

Publication Number Publication Date
BR9510295A true BR9510295A (pt) 1997-11-11

Family

ID=4060384

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9510295A BR9510295A (pt) 1995-01-24 1995-01-24 Processo de acabamento de poliglicol

Country Status (5)

Country Link
JP (1) JPH10512613A (pt)
KR (1) KR19980701612A (pt)
AU (1) AU1750895A (pt)
BR (1) BR9510295A (pt)
WO (1) WO1996023019A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL358256A1 (en) * 2000-05-15 2004-08-09 Shell Internationale Research Maatschappij B.V. Process for the preparation of polyether polyols
DE10338827A1 (de) * 2003-08-21 2005-04-21 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
CN102887995B (zh) 2011-07-19 2016-08-03 因温斯特技术公司 聚醚多元醇过滤中的改进的产物回收方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229216A1 (de) * 1982-08-05 1984-02-09 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von rohen polyether-polyolen
US4877906A (en) * 1988-11-25 1989-10-31 Arco Chemical Technology, Inc. Purification of polyols prepared using double metal cyanide complex catalysts
DE3913937A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur reinigung von alkylenoxid-addukten
DE4014484A1 (de) * 1990-05-07 1991-11-14 Basf Ag Verfahren zur reinigung von polyalkylenetherglykolen
ES2058048T3 (es) * 1992-03-24 1999-06-16 Dow Chemical Co Nuevo procedimiento de acabado para polieteres hidroxi-funcionales.

Also Published As

Publication number Publication date
JPH10512613A (ja) 1998-12-02
AU1750895A (en) 1996-08-14
KR19980701612A (ko) 1998-06-25
WO1996023019A1 (en) 1996-08-01

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Legal Events

Date Code Title Description
FD5 Application fees: dismissal - article 86 of industrial property law
HIX Notification cancelled
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements