AR246121A1 - Procedimiento para purificar aductos de oxidos de alquilenos respecto de metales y compuestos que contienen halogenos. - Google Patents
Procedimiento para purificar aductos de oxidos de alquilenos respecto de metales y compuestos que contienen halogenos.Info
- Publication number
- AR246121A1 AR246121A1 AR90316711A AR31671190A AR246121A1 AR 246121 A1 AR246121 A1 AR 246121A1 AR 90316711 A AR90316711 A AR 90316711A AR 31671190 A AR31671190 A AR 31671190A AR 246121 A1 AR246121 A1 AR 246121A1
- Authority
- AR
- Argentina
- Prior art keywords
- oxides
- product
- alkylene
- alkylene oxide
- purification
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
-
- 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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
PROCEDIMIENTO PARA LA PURIFICACION DE UN ADUCTO DE OXIDOS DE ALQUILENO, QUE SE HA PREPARADO UTILIZANDO CATALIZADORES METALICOS QUE CONTIENEN HALOGENOS Y QUE CONTIENE COMO IMPUREZAS TANTO COMPUESTOS QUE CONTIENEN HALOGENOS AL IGUAL QUE METALES, DONDE: A) EL ADUCTO DE OXIDOS DE ALQUILENO QUE SE HA DE PURIFICAR SE PONE EN CONTACTO A TEMPERATURA ELEVADA CON COMPUESTOS DE METALES ALCALINOS COMO OXIDOS, HIDROXIDOS Y ALCOHOLATOS; B) EL PRODUCTO ALCALINO PROCEDENTE DE LA ETAPA A) SE LLEVA A UN VALOR DE PH DE A LO SUMO 7 CON UN ACIDO, CON LA CONDICION DE QUE EN EL PRODUCTO AHORA EXISTENTE ESTA PRESENTE UNA CANTIDAD DE AGUA DE POR LO MENOS 0,1% EN PESO, REFERIDA AL PESO DEL PRODUCTO; C) A PARTIR DEL PRODUCTO OBTENIDO SEGUN LAS ETAPAS A) Y B) SE ELIMINAN EL AGUA Y OTROS DISOLVENTES PARA LAS SALES QUE SE HAN FORMADO EN LAS ETAPAS A) Y B) Y SON INSOLUBLES EN EL ADUCTO DE OXIDOS DE ALQUILENO; Y D) A PARTIR DEL PRODUCTO OBTENIDO EN LA ETAPA C), QUE CONSTA EN LO ESENCIAL DEL ADUCTO DE OXIDOS DE A LQUILENO Y DE LAS MENCIONADAS SALES, SE OBTIENE EL PRETENDIDO ADUCTO PURO DE OXIDOS DE ALQUILENO MEDIANTE SEPARACION DE ESTAS SALES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3913937A DE3913937A1 (de) | 1989-04-27 | 1989-04-27 | Verfahren zur reinigung von alkylenoxid-addukten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR246121A1 true AR246121A1 (es) | 1994-03-30 |
Family
ID=6379610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR90316711A AR246121A1 (es) | 1989-04-27 | 1990-04-25 | Procedimiento para purificar aductos de oxidos de alquilenos respecto de metales y compuestos que contienen halogenos. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5012013A (es) |
| EP (1) | EP0394984B1 (es) |
| JP (1) | JPH02304037A (es) |
| KR (1) | KR900016076A (es) |
| AR (1) | AR246121A1 (es) |
| AT (1) | ATE90326T1 (es) |
| AU (1) | AU619400B2 (es) |
| BR (1) | BR9001939A (es) |
| CA (1) | CA2015434A1 (es) |
| DE (2) | DE3913937A1 (es) |
| ES (1) | ES2042132T3 (es) |
| MX (1) | MX173779B (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268510A (en) * | 1992-10-08 | 1993-12-07 | Vista Chemical Company | Process for purification of alkoxylated alcohols |
| US5416241A (en) * | 1994-01-27 | 1995-05-16 | Arco Chemical Technology, L.P. | Method for purifying polyether polyols made with double metal cyanide catalysts |
| KR19980701612A (ko) * | 1995-01-24 | 1998-06-25 | 곤잘로 알베르토 발퀘로 라미레즈 알만도 마르치 | 폴리글리콜 최종처리 방법 |
| SE9902364D0 (sv) * | 1999-06-21 | 1999-06-21 | Astra Ab | New process |
| JP2004514554A (ja) * | 2000-11-30 | 2004-05-20 | ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション | 新規なアンチモン触媒組成物 |
| US7495063B2 (en) * | 2006-02-03 | 2009-02-24 | Dow Global Technologies Inc. | Reduced oligomer concentration in high purity polyalkylene glycols |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000963A (en) * | 1959-05-11 | 1961-09-19 | Jefferson Chem Co Inc | Process for refining crude polymers and adducts of propylene oxide |
| AU520819B2 (en) * | 1977-08-09 | 1982-03-04 | Enimont Anic S.r.l | Extracting aromatic hydrocarbons from mixtures |
| JPS54109907A (en) * | 1978-02-17 | 1979-08-29 | Nippon Saafuakutanto Kougiyou | Purification of alkylene oxide added matter |
| JPS5770124A (en) * | 1980-10-20 | 1982-04-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Purification of polyether-polyol |
-
1989
- 1989-04-27 DE DE3913937A patent/DE3913937A1/de not_active Withdrawn
-
1990
- 1990-04-24 JP JP2106673A patent/JPH02304037A/ja active Pending
- 1990-04-24 AU AU53872/90A patent/AU619400B2/en not_active Ceased
- 1990-04-25 DE DE9090107814T patent/DE59001665D1/de not_active Expired - Fee Related
- 1990-04-25 EP EP90107814A patent/EP0394984B1/de not_active Expired - Lifetime
- 1990-04-25 ES ES199090107814T patent/ES2042132T3/es not_active Expired - Lifetime
- 1990-04-25 CA CA002015434A patent/CA2015434A1/en not_active Abandoned
- 1990-04-25 AT AT90107814T patent/ATE90326T1/de not_active IP Right Cessation
- 1990-04-25 KR KR1019900005806A patent/KR900016076A/ko active IP Right Grant
- 1990-04-25 AR AR90316711A patent/AR246121A1/es active
- 1990-04-26 BR BR909001939A patent/BR9001939A/pt not_active Application Discontinuation
- 1990-04-26 US US07/516,133 patent/US5012013A/en not_active Expired - Fee Related
- 1990-04-27 MX MX020491A patent/MX173779B/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR900016076A (ko) | 1990-11-12 |
| AU619400B2 (en) | 1992-01-23 |
| US5012013A (en) | 1991-04-30 |
| ATE90326T1 (de) | 1993-06-15 |
| CA2015434A1 (en) | 1990-10-27 |
| EP0394984B1 (de) | 1993-06-09 |
| ES2042132T3 (es) | 1993-12-01 |
| AU5387290A (en) | 1990-11-01 |
| BR9001939A (pt) | 1991-07-30 |
| DE3913937A1 (de) | 1990-10-31 |
| DE59001665D1 (de) | 1993-07-15 |
| MX173779B (es) | 1994-03-25 |
| EP0394984A1 (de) | 1990-10-31 |
| JPH02304037A (ja) | 1990-12-17 |
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