JP2000502390A - ポリエーテルポリオールエステルの反応蒸留によるアルカノリシス - Google Patents
ポリエーテルポリオールエステルの反応蒸留によるアルカノリシスInfo
- Publication number
- JP2000502390A JP2000502390A JP09523669A JP52366997A JP2000502390A JP 2000502390 A JP2000502390 A JP 2000502390A JP 09523669 A JP09523669 A JP 09523669A JP 52366997 A JP52366997 A JP 52366997A JP 2000502390 A JP2000502390 A JP 2000502390A
- Authority
- JP
- Japan
- Prior art keywords
- distillation column
- polyether polyol
- methanol
- alkanol
- methyl acetate
- 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.)
- Granted
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
- C08G65/04—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 only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/20—Tetrahydrofuran
-
- 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
- C08G65/32—Polymers modified by chemical after-treatment
-
- 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
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/3311—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing a hydroxy group
- C08G65/3312—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing a hydroxy group acyclic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.次の工程: (a)蒸留搭の上部に、少なくとも1種のポリエーテルポリオールのジエステ ル及び効果的な量の少なくとも1種のアルカリ金属又はアルカリ土類金属酸化物 、水酸化物又はアルコキシド触媒をC1〜C4アルカノールと共に供給して、該ポ リエーテルポリオールのジエステルをジヒドロキシポリエーテルポリオールに転 化する工程、 (b)該蒸留搭の下部に熱アルカノールの蒸気を添加し、該ポリエーテルポリ オールのジエステルのアルカノリシスによって生成したアルカノールエステルを 該蒸留搭中で上方へ押し流す工程、 (c)該蒸留搭の搭頂でアルカノール及びアルカノリシスによって生成したア ルカノールエステルを回収する工程、並びに (d)該蒸留搭の底部からアルカノリシスによって生成したアルカノールエス テルを含まないジヒドロキシポリエーテルポリオールを回収する工程 を含んで成る、ポリエーテルポリオールのジエステルを対応するジヒドロキシポ リエーテルポリオールに転化する方法。 2.次の工程: (a)蒸留搭からの搭頂留出物を、更にアルカノールエステルからの未反応ア ルカノールの分離と回収にかける工程、及び (b)分離において製造されたアルカノールを蒸留搭へ循環する工程を更に含 んで成る請求項1に記載の方法。 3. 該ポリエーテルポリオールのジエステルが、ポリテトラメチレンエーテル の二酢酸エステルであり、該触媒がナトリウムメトキシドであ り、そして該アルカノールはメタノールであり、従って酢酸メチルを含まないポ リテトラメチレンエーテルグリコールを回収する請求項1に記載の方法。 4. 該ポリエーテルポリオールのジエステルが、テトラヒドロフランと3−メ チルテトラヒドロフランの二酢酸エステル共重合体であり、該触媒がナトリウム メトキシドであり、そして該アルカノールはメタノールであり、従って酢酸メチ ルを含まないコポリマーエーテルグリコールを回収する請求項1に記載の方法。 5.次の工程: (a)蒸留搭からの搭頂留出物を、酢酸メチルからの未反応メタノールの共沸 分離と回収にかける工程、及び (b)共沸分離において製造された、500ppm未満の酢酸メチルを含有す るメタノールを蒸留搭へ循環する工程 を更に含んで成る請求項3に記載の方法。 6. 共沸分離において製造されそして蒸留搭へ循環された該メタノールが10 0ppm未満の酢酸メチルを含有する請求項5に記載の方法。 7.次の工程: (a)蒸留搭からの搭頂留出物を、更に酢酸メチルからの未反応メタノールの 共沸分離と回収にかける工程、及び (b)共沸分離において製造された、500ppm未満の酢酸メチルを含有す るメタノールを蒸留搭へ循環する工程 を更に含んで成る請求項4に記載の方法。 8. 共沸分離において製造されそして蒸留搭へ循環された該メタノールが10 0ppm未満の酢酸メチルを含有する請求項7に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/572,556 US5852218A (en) | 1995-12-14 | 1995-12-14 | Alkanolysis of polyether polyol esters by reactive distillation |
US08/572,556 | 1995-12-14 | ||
PCT/US1996/019464 WO1997023559A2 (en) | 1995-12-14 | 1996-12-05 | Alkanolysis of polyether polyol esters by reactive distillation |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000502390A true JP2000502390A (ja) | 2000-02-29 |
JP3911026B2 JP3911026B2 (ja) | 2007-05-09 |
Family
ID=24288365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52366997A Expired - Fee Related JP3911026B2 (ja) | 1995-12-14 | 1996-12-05 | ポリエーテルポリオールエステルの反応蒸留によるアルカノリシス |
Country Status (10)
Country | Link |
---|---|
US (1) | US5852218A (ja) |
EP (1) | EP0866824B1 (ja) |
JP (1) | JP3911026B2 (ja) |
KR (1) | KR100488135B1 (ja) |
CN (1) | CN1080278C (ja) |
AU (1) | AU1683897A (ja) |
DE (1) | DE69611936T2 (ja) |
RU (1) | RU2162862C2 (ja) |
TW (1) | TW377362B (ja) |
WO (1) | WO1997023559A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006098437A1 (ja) * | 2005-03-17 | 2006-09-21 | Mitsubishi Chemical Corporation | ポリエーテルポリオール類の製造方法 |
JP2006291189A (ja) * | 2005-03-17 | 2006-10-26 | Mitsubishi Chemicals Corp | ポリエーテルポリオール類の製造方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19742342A1 (de) * | 1997-09-25 | 1999-04-01 | Basf Ag | Kontinuierliche Herstellung von Polytetrahydrofuran über eine Umesterungskaskade mit gezielter Schaumzerstörung |
DE19817113A1 (de) * | 1998-04-17 | 1999-10-21 | Basf Ag | Herstellung von Polytetrahydrofuran mit endständigen Hydroxylgruppen durch Wechsel von kontinuierlicher und disperser Phase |
BE1012945A6 (fr) | 1999-10-27 | 2001-06-05 | Pantochim Sa | Procede continu pour convertir un diester d'ether de polytetramethylene en ether glycol de polytetramethylene. |
DE10330721A1 (de) * | 2003-07-08 | 2005-01-27 | Basf Ag | Verfahren zur Gewinnung von Oligomeren des Polytetrahydrofurans oder der Tetrahydrofuran-Copolymere |
JP2010538136A (ja) * | 2007-09-06 | 2010-12-09 | ビーエーエスエフ ソシエタス・ヨーロピア | ポリテトラヒドロフランのモノエステル及び/又はジエステルを含有する混合物の解重合のための方法 |
WO2009129292A1 (en) * | 2008-04-18 | 2009-10-22 | Dow Global Technologies Inc. | Polyol esters and process for making them |
US20140378712A1 (en) * | 2012-01-26 | 2014-12-25 | Invista North America S.A.R.L. | Alkanolysis process |
KR20150024840A (ko) * | 2012-06-22 | 2015-03-09 | 인비스타 테크놀러지스 에스.에이 알.엘. | 생성물 혼합물로부터 촉매를 분리하는 향상된 알칸올 첨가 분해 공정 및 방법 및 이를 위한 장치 |
WO2014205085A1 (en) * | 2013-06-18 | 2014-12-24 | University Of Houston System | Iterative reactive distillation of dynamic ester mixtures |
TW201529636A (zh) | 2013-12-19 | 2015-08-01 | Invista Tech Sarl | 經改良的聚四亞甲基醚二醇製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163115A (en) * | 1976-03-31 | 1979-07-31 | E. I. Du Pont De Nemours And Company | Preparation of esters of poly-(tetramethylene ether) glycol |
JPS54119405A (en) * | 1978-03-09 | 1979-09-17 | Japan Synthetic Rubber Co Ltd | Preparation of diol |
US4230892A (en) * | 1979-07-20 | 1980-10-28 | E. I. Du Pont De Nemours And Company | Alcoholysis process for preparing poly-(tetramethylene ether) glycol |
DE3019767A1 (de) * | 1980-05-23 | 1981-12-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von essigsaeureestern |
US4510333A (en) * | 1984-06-05 | 1985-04-09 | E. I. Du Pont De Nemours And Company | Method for preparing poly(tetramethylene ether) glycol having narrow molecular weight distribution |
US4584414A (en) * | 1984-12-21 | 1986-04-22 | E. I. Du Pont De Nemours And Company | Process for preparing improved poly(tetramethylene ether) glycol by alcoholysis |
US5321181A (en) * | 1985-01-07 | 1994-06-14 | Chemical Research & Licensing Company | Alkylation of organic aromatic compounds |
JPH05194723A (ja) * | 1992-01-21 | 1993-08-03 | Daicel Chem Ind Ltd | ポリオキシテトラメチレングリコ−ルの精製方法 |
US5302255A (en) * | 1992-03-06 | 1994-04-12 | E. I. Du Pont De Nemours And Company | Reducing molecular weight distribution of polyether glycols by short-path distillation |
US5298530A (en) * | 1992-11-25 | 1994-03-29 | Eastman Kodak Company | Process of recovering components from scrap polyester |
-
1995
- 1995-12-14 US US08/572,556 patent/US5852218A/en not_active Expired - Lifetime
-
1996
- 1996-09-25 TW TW85111733A patent/TW377362B/zh not_active IP Right Cessation
- 1996-12-05 RU RU98112788/04A patent/RU2162862C2/ru not_active IP Right Cessation
- 1996-12-05 KR KR19980704464A patent/KR100488135B1/ko not_active IP Right Cessation
- 1996-12-05 EP EP96945580A patent/EP0866824B1/en not_active Expired - Lifetime
- 1996-12-05 JP JP52366997A patent/JP3911026B2/ja not_active Expired - Fee Related
- 1996-12-05 WO PCT/US1996/019464 patent/WO1997023559A2/en active IP Right Grant
- 1996-12-05 CN CN96198975A patent/CN1080278C/zh not_active Expired - Fee Related
- 1996-12-05 DE DE69611936T patent/DE69611936T2/de not_active Expired - Lifetime
- 1996-12-05 AU AU16838/97A patent/AU1683897A/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006098437A1 (ja) * | 2005-03-17 | 2006-09-21 | Mitsubishi Chemical Corporation | ポリエーテルポリオール類の製造方法 |
JP2006291189A (ja) * | 2005-03-17 | 2006-10-26 | Mitsubishi Chemicals Corp | ポリエーテルポリオール類の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP3911026B2 (ja) | 2007-05-09 |
AU1683897A (en) | 1997-07-17 |
TW377362B (en) | 1999-12-21 |
CN1080278C (zh) | 2002-03-06 |
EP0866824B1 (en) | 2001-02-28 |
DE69611936D1 (de) | 2001-04-05 |
DE69611936T2 (de) | 2001-10-04 |
KR19990072133A (ko) | 1999-09-27 |
KR100488135B1 (ko) | 2005-09-26 |
EP0866824A2 (en) | 1998-09-30 |
CN1204348A (zh) | 1999-01-06 |
RU2162862C2 (ru) | 2001-02-10 |
WO1997023559A3 (en) | 1997-09-12 |
US5852218A (en) | 1998-12-22 |
WO1997023559A2 (en) | 1997-07-03 |
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