CN1035260C - 减少多元醇不饱和度的方法 - Google Patents
减少多元醇不饱和度的方法 Download PDFInfo
- Publication number
- CN1035260C CN1035260C CN93106537A CN93106537A CN1035260C CN 1035260 C CN1035260 C CN 1035260C CN 93106537 A CN93106537 A CN 93106537A CN 93106537 A CN93106537 A CN 93106537A CN 1035260 C CN1035260 C CN 1035260C
- Authority
- CN
- China
- Prior art keywords
- extraction agent
- polyol
- unsaturation
- polyvalent alcohol
- 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 - Fee Related
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
- C08G65/26—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 from cyclic ethers and other compounds
-
- 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)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89956692A | 1992-06-16 | 1992-06-16 | |
| US899,566 | 1992-06-16 | ||
| US021,833 | 1993-02-24 | ||
| US08/021,833 US5288921A (en) | 1992-06-16 | 1993-02-24 | Process for reducing unsaturation on polyols |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084185A CN1084185A (zh) | 1994-03-23 |
| CN1035260C true CN1035260C (zh) | 1997-06-25 |
Family
ID=26695152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93106537A Expired - Fee Related CN1035260C (zh) | 1992-06-16 | 1993-06-16 | 减少多元醇不饱和度的方法 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5288921A (enExample) |
| EP (1) | EP0576132B1 (enExample) |
| JP (1) | JPH06136116A (enExample) |
| KR (1) | KR100265869B1 (enExample) |
| CN (1) | CN1035260C (enExample) |
| AU (1) | AU659307B2 (enExample) |
| CA (1) | CA2097160A1 (enExample) |
| DE (1) | DE69325313T2 (enExample) |
| ES (1) | ES2133360T3 (enExample) |
| GB (1) | GB9311265D0 (enExample) |
| MY (1) | MY109212A (enExample) |
| TW (1) | TW245725B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9320874D0 (en) * | 1993-10-11 | 1993-12-01 | Ici Plc | Recycling of flexible foam |
| GB9325468D0 (en) * | 1993-12-13 | 1994-02-16 | Ici Plc | Process for purifying polyols |
| EP0677543B2 (en) * | 1994-04-12 | 2006-11-15 | Mitsui Chemicals, Inc. | Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams |
| KR19980059285A (ko) * | 1996-12-31 | 1998-10-07 | 박영구 | 반응 혼합물로부터 폴리올 화합물을 분리 정제하는 방법 |
| DE19710443A1 (de) | 1997-03-13 | 1998-09-17 | Basf Ag | Verfahren zur Behandlung von Polyetherpolyolen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461169A (en) * | 1967-07-28 | 1969-08-12 | Eastman Kodak Co | Solvent extraction of polymeric glycols using acetonitrile |
| US3478109A (en) * | 1967-07-28 | 1969-11-11 | Eastman Kodak Co | Solvent extraction of polymeric glycols using methanol |
| US4279073A (en) * | 1979-12-10 | 1981-07-21 | Rca Corporation | Method for releasing printed wiring boards from printed wiring board racks |
| US4317939A (en) * | 1981-02-23 | 1982-03-02 | Ford Motor Company | Catalyzed dissolution-hydrolysis of polyurethane wastes |
| US4336406A (en) * | 1981-02-24 | 1982-06-22 | Ford Motor Company | Polyol extraction by high boiling alkanes |
| DE3607946A1 (de) * | 1986-03-11 | 1987-09-17 | Basf Ag | Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden |
| EP0362688A3 (en) * | 1988-10-06 | 1990-05-23 | BASF Corporation | Process for preparing high viscosity, low unsaturation polyoxyalkylene block polyethers |
| DE68926107T3 (de) * | 1988-10-25 | 2005-07-07 | Asahi Glass Co., Ltd. | Elastischer polyurethanschaum und verfahren zur herstellung |
| JPH03244620A (ja) * | 1990-02-23 | 1991-10-31 | Asahi Glass Co Ltd | ポリウレタンフォームの製造方法 |
-
1993
- 1993-02-24 US US08/021,833 patent/US5288921A/en not_active Expired - Fee Related
- 1993-05-14 DE DE69325313T patent/DE69325313T2/de not_active Expired - Fee Related
- 1993-05-14 EP EP93303752A patent/EP0576132B1/en not_active Expired - Lifetime
- 1993-05-14 ES ES93303752T patent/ES2133360T3/es not_active Expired - Lifetime
- 1993-05-19 AU AU38657/93A patent/AU659307B2/en not_active Ceased
- 1993-05-27 CA CA002097160A patent/CA2097160A1/en not_active Abandoned
- 1993-05-31 KR KR1019930009655A patent/KR100265869B1/ko not_active Expired - Fee Related
- 1993-06-01 TW TW082104346A patent/TW245725B/zh active
- 1993-06-01 GB GB939311265A patent/GB9311265D0/en active Pending
- 1993-06-04 JP JP5134267A patent/JPH06136116A/ja active Pending
- 1993-06-14 MY MYPI93001158A patent/MY109212A/en unknown
- 1993-06-16 CN CN93106537A patent/CN1035260C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0576132A1 (en) | 1993-12-29 |
| ES2133360T3 (es) | 1999-09-16 |
| CA2097160A1 (en) | 1993-12-17 |
| AU3865793A (en) | 1993-12-23 |
| KR100265869B1 (ko) | 2000-09-15 |
| KR940000503A (ko) | 1994-01-03 |
| GB9311265D0 (en) | 1993-07-21 |
| DE69325313T2 (de) | 1999-11-18 |
| EP0576132B1 (en) | 1999-06-16 |
| TW245725B (enExample) | 1995-04-21 |
| AU659307B2 (en) | 1995-05-11 |
| JPH06136116A (ja) | 1994-05-17 |
| US5288921A (en) | 1994-02-22 |
| CN1084185A (zh) | 1994-03-23 |
| MY109212A (en) | 1996-12-31 |
| DE69325313D1 (de) | 1999-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: IMPERIAL CHEMICAL CORPORATION TO: HENGCIMAN ICI CHEMICALS LTD. |
|
| CP03 | Change of name, title or address |
Address after: The United States Delaware Patentee after: Hentzman ICI Chemical Product Co., Ltd. Address before: London, England, England Patentee before: Imperial Chemical Industries PLC |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |