ES2066927T3 - Procedimiento para la purificacion de polialquileneterglicoles, que contienen heteropoliacidos. - Google Patents
Procedimiento para la purificacion de polialquileneterglicoles, que contienen heteropoliacidos.Info
- Publication number
- ES2066927T3 ES2066927T3 ES90118531T ES90118531T ES2066927T3 ES 2066927 T3 ES2066927 T3 ES 2066927T3 ES 90118531 T ES90118531 T ES 90118531T ES 90118531 T ES90118531 T ES 90118531T ES 2066927 T3 ES2066927 T3 ES 2066927T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- polyalkyleneeterglicoles
- heteropoliacides
- purification
- contain
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 2
- 229920001281 polyalkylene Polymers 0.000 abstract 1
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Abstract
EL INVENTO SE REFIERE A UN PROCEDIMIENTO QUE SE UTILIZA PARA PURIFICAR POLIALQUILENOETERGLICOLES EN BRUTO, QUE SON CONTAMINADOS POR HETEROPOLIACIDOS O SUS SALES Y CONSISTE EN: MEZCLAR LOS POLIALQUILENOETERGLICOLES EN BRUTO CON HIDROCARBONOS LIQUIDOS Y AGUA Y AISLAR EL POLIALQUILENOETERGLICOL PURIFICADO POR SEPARACION DE FASES, RECOGER LA FASE SUPERIOR RESULTANTE DE LA MEZCLA ANTERIOR.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3933333A DE3933333A1 (de) | 1989-10-06 | 1989-10-06 | Verfahren zur reinigung von polyalkylenetherglykolen, die heteropolysaeuren enthalten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2066927T3 true ES2066927T3 (es) | 1995-03-16 |
Family
ID=6390913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90118531T Expired - Lifetime ES2066927T3 (es) | 1989-10-06 | 1990-09-27 | Procedimiento para la purificacion de polialquileneterglicoles, que contienen heteropoliacidos. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5097077A (es) |
| EP (1) | EP0421268B1 (es) |
| JP (1) | JPH03126722A (es) |
| DE (2) | DE3933333A1 (es) |
| ES (1) | ES2066927T3 (es) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4132015A1 (de) * | 1991-09-26 | 1993-04-01 | Basf Ag | Thermoplastische polyurethan-elastomere mit einem geringen organischen kohlenstoffabgabewert, verfahren zu ihrer herstellung und ihre verwendung |
| DE69424768T2 (de) * | 1993-07-29 | 2001-02-22 | Nippon Shokubai Co. Ltd., Osaka | Polydioxolanhochmolekulargewichte und herstellungsverfahren |
| GB9828020D0 (en) * | 1998-12-18 | 1999-02-10 | Bp Chem Int Ltd | Synthesis of heteropolyacids |
| DE10084903B4 (de) * | 1999-08-19 | 2009-08-13 | Asahi Kasei Kabushiki Kaisha | Polyetherpolyurethan |
| JP4194011B2 (ja) * | 1999-08-19 | 2008-12-10 | 旭化成せんい株式会社 | ポリテトラメチレングリコール組成物 |
| JP2003012783A (ja) * | 1999-08-19 | 2003-01-15 | Asahi Kasei Corp | ポリエーテルエステルエラストマー |
| DE10240775A1 (de) * | 2002-08-30 | 2004-03-11 | Röhm GmbH & Co. KG | Verfahren zur Entfernung von Metallionen aus Polymeren oder Polymerlösungen |
| US20040211729A1 (en) * | 2003-04-25 | 2004-10-28 | Sunkara Hari Babu | Processes for recovering oligomers of glycols and polymerization catalysts from waste streams |
| KR100885870B1 (ko) * | 2007-08-31 | 2009-02-26 | 주식회사 효성 | 전극모세관을 이용한 폴리테트라메틸렌글리콜 제조시헤테로폴리산 회수 방법 |
| CN101348565B (zh) * | 2008-05-30 | 2012-01-11 | 中化国际(苏州)新材料研发有限公司 | 一种含杂多酸的低聚醚的纯化工艺 |
| JP5569787B2 (ja) * | 2009-03-31 | 2014-08-13 | 日油株式会社 | 高分子量ポリエチレングリコール化合物の精製方法 |
| EP3222648B1 (en) | 2014-11-20 | 2020-01-01 | Mitsubishi Chemical Corporation | Polytetramethylene ether glycol, method for producing it, polyester elastomer and polyurethane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1216597A (en) * | 1983-05-23 | 1987-01-13 | Atsushi Aoshima | Process for producing polyetherglycol |
| US4677231A (en) * | 1984-11-13 | 1987-06-30 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for purification of polyether |
| DE3514547A1 (de) * | 1985-04-23 | 1986-10-23 | Basf Ag, 6700 Ludwigshafen | Verfahren zur verminderung des anteils von cyclischen oligomeren ethern in polytetramethylenetherglykolen oder polyoxibutylen-polyoxialkylenglykolen |
| DE3607946A1 (de) * | 1986-03-11 | 1987-09-17 | Basf Ag | Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden |
| DE3728613A1 (de) * | 1987-08-27 | 1989-03-09 | Basf Ag | Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden |
| DE3730888A1 (de) * | 1987-09-15 | 1989-03-30 | Basf Ag | Verfahren zur verminderung des gehaltes an oligomeren cyclischen ethern in copolymeren aus tetrahydrofuran und 1,2-alkylenoxiden |
-
1989
- 1989-10-06 DE DE3933333A patent/DE3933333A1/de not_active Withdrawn
-
1990
- 1990-09-27 EP EP90118531A patent/EP0421268B1/de not_active Expired - Lifetime
- 1990-09-27 ES ES90118531T patent/ES2066927T3/es not_active Expired - Lifetime
- 1990-09-27 DE DE59008295T patent/DE59008295D1/de not_active Expired - Lifetime
- 1990-10-05 US US07/593,127 patent/US5097077A/en not_active Expired - Lifetime
- 1990-10-05 JP JP2266577A patent/JPH03126722A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0421268A3 (en) | 1991-10-16 |
| DE3933333A1 (de) | 1991-04-11 |
| DE59008295D1 (de) | 1995-03-02 |
| EP0421268B1 (de) | 1995-01-18 |
| EP0421268A2 (de) | 1991-04-10 |
| US5097077A (en) | 1992-03-17 |
| JPH03126722A (ja) | 1991-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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