BE795455A - Procede de preparation de polyalkylene-ethers purs - Google Patents

Procede de preparation de polyalkylene-ethers purs

Info

Publication number
BE795455A
BE795455A BE795455DA BE795455A BE 795455 A BE795455 A BE 795455A BE 795455D A BE795455D A BE 795455DA BE 795455 A BE795455 A BE 795455A
Authority
BE
Belgium
Prior art keywords
preparing pure
polyalkylene ethers
pure polyalkylene
ethers
preparing
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Basf 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.)
Publication date
Priority claimed from DE19722208614 external-priority patent/DE2208614C3/de
Publication of BE795455A publication Critical patent/BE795455A/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
BE795455D 1972-02-24 Procede de preparation de polyalkylene-ethers purs BE795455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722208614 DE2208614C3 (de) 1972-02-24 Verfahren zur Herstellung von reinen Polyalkylenäthern

Publications (1)

Publication Number Publication Date
BE795455A true BE795455A (fr) 1973-08-16

Family

ID=5836874

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795455D BE795455A (fr) 1972-02-24 Procede de preparation de polyalkylene-ethers purs

Country Status (4)

Country Link
US (1) US3833669A (OSRAM)
BE (1) BE795455A (OSRAM)
CA (1) CA969558A (OSRAM)
FR (1) FR2173108B1 (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2639083C2 (de) * 1976-08-31 1983-02-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyätherpolyolen und ihre Verwendung als Ausgangsmaterialien für Polyurethankunststoffe
JPS5770124A (en) * 1980-10-20 1982-04-30 Dai Ichi Kogyo Seiyaku Co Ltd Purification of polyether-polyol
DE3107449A1 (de) * 1981-02-27 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von polytetramethylenetherglykolen
JPS6454026A (en) * 1987-08-24 1989-03-01 Dai Ichi Kogyo Seiyaku Co Ltd Production of modified polyester
DE3907911A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Verfahren zur entfernung von katalysatoren aus polyether-polyolen
US5342541A (en) * 1989-03-29 1994-08-30 The Dow Chemical Company Purified hydroxy-functional polyether compounds
US5169989A (en) * 1991-03-01 1992-12-08 Miles Inc. Foam slabstock polyether polyols with improved scorch characteristics
ES2058048T3 (es) * 1992-03-24 1999-06-16 Dow Chemical Co Nuevo procedimiento de acabado para polieteres hidroxi-funcionales.
KR0145350B1 (ko) * 1993-09-07 1998-07-15 사또오 아키오 폴리옥시알킬렌폴리올의 제조방법
US5410093A (en) * 1994-02-17 1995-04-25 E. I. Du Pont De Nemours And Company Method for removing transesterification catalyst from polyether polyols
US7495063B2 (en) * 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols
US7601255B2 (en) * 2006-09-06 2009-10-13 Chemtura Corporation Process for removal of residual catalyst components
EP2669312A1 (en) 2012-05-29 2013-12-04 Huntsman International Llc Process for the production of polyether polyols

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448664A (en) * 1944-05-30 1948-09-07 Carbide & Carbon Chem Corp Polyoxypropylene compounds
GB892557A (en) * 1959-12-31 1962-03-28 Ici Ltd Purification process
GB916552A (en) * 1960-04-01 1963-01-23 Ici Ltd Purification of polyethers

Also Published As

Publication number Publication date
FR2173108B1 (OSRAM) 1979-05-04
CA969558A (en) 1975-06-17
US3833669A (en) 1974-09-03
DE2208614B2 (de) 1976-01-22
FR2173108A1 (OSRAM) 1973-10-05
DE2208614A1 (de) 1973-09-06

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