BE795455A - Procede de preparation de polyalkylene-ethers purs - Google Patents
Procede de preparation de polyalkylene-ethers pursInfo
- 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
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)
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 (fr) |
BE (1) | BE795455A (fr) |
CA (1) | CA969558A (fr) |
FR (1) | FR2173108B1 (fr) |
Families Citing this family (13)
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 |
RU2089564C1 (ru) * | 1992-03-24 | 1997-09-10 | Дзе Дау Кемикал Компани | Способ получения гидроксифункциональных полиэфиров |
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 (fr) | 2012-05-29 | 2013-12-04 | Huntsman International Llc | Procédé de production de polyols de polyéther |
Family Cites Families (3)
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 |
-
0
- BE BE795455D patent/BE795455A/fr unknown
-
1972
- 1972-12-07 US US00313105A patent/US3833669A/en not_active Expired - Lifetime
- 1972-12-28 CA CA160,018A patent/CA969558A/en not_active Expired
-
1973
- 1973-02-21 FR FR7306090A patent/FR2173108B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2173108B1 (fr) | 1979-05-04 |
CA969558A (en) | 1975-06-17 |
US3833669A (en) | 1974-09-03 |
DE2208614B2 (de) | 1976-01-22 |
DE2208614A1 (de) | 1973-09-06 |
FR2173108A1 (fr) | 1973-10-05 |
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