MY130045A - Process for reducing the level of unsaturation in a polyether polyol by ultrafiltration - Google Patents
Process for reducing the level of unsaturation in a polyether polyol by ultrafiltrationInfo
- Publication number
- MY130045A MY130045A MYPI94001506A MYPI9401506A MY130045A MY 130045 A MY130045 A MY 130045A MY PI94001506 A MYPI94001506 A MY PI94001506A MY PI9401506 A MYPI9401506 A MY PI9401506A MY 130045 A MY130045 A MY 130045A
- Authority
- MY
- Malaysia
- Prior art keywords
- unsaturation
- ultrafiltration
- reducing
- level
- polyether polyol
- 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
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4866—Polyethers having a low unsaturation value
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
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)
- Separation Using Semi-Permeable Membranes (AREA)
- Polyesters Or Polycarbonates (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939312256A GB9312256D0 (en) | 1993-06-15 | 1993-06-15 | Novel polyols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY130045A true MY130045A (en) | 2007-05-31 |
Family
ID=10737145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI94001506A MY130045A (en) | 1993-06-15 | 1994-06-13 | Process for reducing the level of unsaturation in a polyether polyol by ultrafiltration |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5767324A (https=) |
| EP (1) | EP0703936B1 (https=) |
| JP (1) | JPH08511046A (https=) |
| CN (1) | CN1044000C (https=) |
| AU (1) | AU676744B2 (https=) |
| CA (1) | CA2162864A1 (https=) |
| DE (1) | DE69417888T2 (https=) |
| ES (1) | ES2130427T3 (https=) |
| GB (2) | GB9312256D0 (https=) |
| MY (1) | MY130045A (https=) |
| TW (1) | TW319783B (https=) |
| WO (1) | WO1994029362A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712216A (en) * | 1995-05-15 | 1998-01-27 | Arco Chemical Technology, L.P. | Highly active double metal cyanide complex catalysts |
| EP0677543B2 (en) * | 1994-04-12 | 2006-11-15 | Mitsui Chemicals, Inc. | Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams |
| US5670601A (en) * | 1995-06-15 | 1997-09-23 | Arco Chemical Technology, L.P. | Polyurethane elastomers having improved green strength and demold time and polyoxyalkylene polyols suitable for their preparation |
| US6821308B2 (en) * | 1997-04-02 | 2004-11-23 | Bayer Antwerp N.V. | Polyoxyalkylene monoethers with reduced water affinity |
| KR100396361B1 (ko) * | 1998-07-21 | 2003-09-02 | 가부시키가이샤 저펜에너지 | 암모니아 냉매를 사용하는 냉동기용 윤활제 |
| JP2001192684A (ja) * | 2000-01-12 | 2001-07-17 | Japan Energy Corp | アンモニア冷凍装置 |
| EP1370600B1 (de) * | 2000-11-22 | 2004-10-13 | Basf Aktiengesellschaft | Verfahren zur aufarbeitung von polyetheralkoholen |
| DE60317652T2 (de) * | 2003-06-30 | 2008-10-30 | Repsol Quimica S.A. | Verfahren zur Reinigung von Polyetherpolyolen |
| US7999471B2 (en) | 2005-12-12 | 2011-08-16 | Raytheon Company | Multi-cell electronic circuit array and method of manufacturing |
| US7495063B2 (en) * | 2006-02-03 | 2009-02-24 | Dow Global Technologies Inc. | Reduced oligomer concentration in high purity polyalkylene glycols |
| WO2008074791A1 (en) | 2006-12-20 | 2008-06-26 | Shell Internationale Research Maatschappij B.V. | Process for removing poly(propylene oxide) from propylene oxide by membrane separation |
| GB201413954D0 (en) | 2014-08-06 | 2014-09-17 | Imp Innovations Ltd | Process for preparing polymers |
| WO2018145949A1 (en) * | 2017-02-09 | 2018-08-16 | Basf Se | A process for purification of polyether block copolymers |
| CN112724396A (zh) * | 2020-12-28 | 2021-04-30 | 苏州欣影生物医药技术有限公司 | 一种提高聚乙二醇类衍生物分子量分布的纯化方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941849A (en) * | 1972-07-07 | 1976-03-02 | The General Tire & Rubber Company | Polyethers and method for making the same |
| JPS4998898A (https=) * | 1973-01-13 | 1974-09-18 | ||
| JPS6034965B2 (ja) * | 1979-10-25 | 1985-08-12 | 第一工業製薬株式会社 | ポリエ−テルポリオ−ルの精製法 |
| CA1155871A (en) * | 1980-10-16 | 1983-10-25 | Gencorp Inc. | Method for treating polypropylene ether and poly-1,2- butylene ether polyols |
| JPS5770124A (en) * | 1980-10-20 | 1982-04-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Purification of polyether-polyol |
| US4687851A (en) * | 1985-08-15 | 1987-08-18 | The Dow Chemical Company | Polyurethane elastomers prepared from high equivalent weight polyahls |
| US4764567A (en) * | 1986-11-20 | 1988-08-16 | Basf Corporation | Process for the preparation of polyoxyalkylene block polyethers having enhanced properties |
| US5342541A (en) * | 1989-03-29 | 1994-08-30 | The Dow Chemical Company | Purified hydroxy-functional polyether compounds |
| US4946939A (en) * | 1989-05-30 | 1990-08-07 | The Dow Chemical Company | High purity polyether polyols |
| US5106874A (en) * | 1989-06-16 | 1992-04-21 | The Dow Chemical Company | Process for preparing elastomeric polyurethane or polyurethane-urea polymers, and polyurethanes so prepared |
| BR9007432A (pt) * | 1989-06-16 | 1992-07-21 | Dow Chemical Co | Processo para preparar polimeros elastomericos de poliuretana ou poliuretana-ureia e as poliuretanas assim preparadas |
| US5185420A (en) * | 1990-11-02 | 1993-02-09 | Olin Corporation | Thermoplastic polyurethane elastomers and polyurea elastomers made using low unsaturation level polyols prepared with double metal cyanide catalysts |
-
1993
- 1993-06-15 GB GB939312256A patent/GB9312256D0/en active Pending
-
1994
- 1994-05-13 GB GB9409617A patent/GB9409617D0/en active Pending
- 1994-05-17 TW TW083104460A patent/TW319783B/zh active
- 1994-05-24 DE DE69417888T patent/DE69417888T2/de not_active Expired - Fee Related
- 1994-05-24 ES ES94918363T patent/ES2130427T3/es not_active Expired - Lifetime
- 1994-05-24 AU AU69714/94A patent/AU676744B2/en not_active Ceased
- 1994-05-24 EP EP94918363A patent/EP0703936B1/en not_active Expired - Lifetime
- 1994-05-24 WO PCT/EP1994/001665 patent/WO1994029362A1/en not_active Ceased
- 1994-05-24 CA CA002162864A patent/CA2162864A1/en not_active Abandoned
- 1994-05-24 JP JP7501248A patent/JPH08511046A/ja active Pending
- 1994-05-24 CN CN94192459A patent/CN1044000C/zh not_active Expired - Fee Related
- 1994-06-13 MY MYPI94001506A patent/MY130045A/en unknown
-
1996
- 1996-11-06 US US08/744,546 patent/US5767324A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5767324A (en) | 1998-06-16 |
| GB9409617D0 (en) | 1994-07-06 |
| TW319783B (https=) | 1997-11-11 |
| WO1994029362A1 (en) | 1994-12-22 |
| EP0703936B1 (en) | 1999-04-14 |
| DE69417888T2 (de) | 1999-09-30 |
| CA2162864A1 (en) | 1994-12-22 |
| GB9312256D0 (en) | 1993-07-28 |
| DE69417888D1 (de) | 1999-05-20 |
| CN1044000C (zh) | 1999-07-07 |
| CN1125455A (zh) | 1996-06-26 |
| AU6971494A (en) | 1995-01-03 |
| JPH08511046A (ja) | 1996-11-19 |
| ES2130427T3 (es) | 1999-07-01 |
| AU676744B2 (en) | 1997-03-20 |
| EP0703936A1 (en) | 1996-04-03 |
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