ES2100120B1 - DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. - Google Patents
DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS.Info
- Publication number
- ES2100120B1 ES2100120B1 ES09401514A ES9401514A ES2100120B1 ES 2100120 B1 ES2100120 B1 ES 2100120B1 ES 09401514 A ES09401514 A ES 09401514A ES 9401514 A ES9401514 A ES 9401514A ES 2100120 B1 ES2100120 B1 ES 2100120B1
- Authority
- ES
- Spain
- Prior art keywords
- aucau
- gross
- purification
- polyolet
- polyols
- 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
Landscapes
- Polyethers (AREA)
Abstract
PROCEDIMIENTO DISCONTINUO DE INTERCAMBIO IONICO PARA LA PURIFICACION DE LOS POLIOLES POLIETERES BRUTOS. UN PROCEDIMIENTO DE PURIFICACION DE LOS POLIOLES POLIETERES BRUTOS ACOMPAÑADOS POR LOS HIDROXIDOS ALCALINOS UTILIZADOS COMO CATALIZADORES EN SU FABRICACION, QUE COMPRENDE LAS SIGUIENTES STUPAS SUCESIVAS: A) MEZCLA DEL POLIOL POLIETER BRUTO CON POSO MOLECULAR 1000-10.000 CON AGUA, O DISOLUCION ACUOSA DE UN ALCOHOL ALIFATICO DE BAJO PESO MOLECULAR Y UNA RESINA DE INTERCAMBIO JONICO FUERTEMENTE ACIDA. B) CALEFACCION DE LA MEZCLA DE A) A 80 - 120°C CON BUENA AGITACION. C) SEPARACION DE LAS FASES DE B) Y TRATAMIENTO DE LAS MISMAS POR LAS TECNICAS CONVENCIONALES CON OBTENCION DEL POLIOL POLIETER PURIFICADO.DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. A PROCESS OF PURIFICATION OF THE GROSS POLYETER POLIOLS ACCOMPANIED BY THE ALKALINE HYDROXIDES USED AS CATALYSTS IN THEIR MANUFACTURING, WHICH INCLUDES THE FOLLOWING SUCCESSIVE STUOLS, AUGUESE, AUCAUOA, AUCOSAUOAU, AUCOSAU-AUCAU, AUCAU-AOAU, AUCOSAU-AUCAU, AUCAU-AUCAU, AUCAU-AUCAU, AUCAU-AUCAU, 10000 ALIPHATIC OF LOW MOLECULAR WEIGHT AND A STRONG ACID IONIC EXCHANGE RESIN. B) HEATING THE MIXTURE OF A) AT 80 - 120 ° C WITH GOOD AGITATION. C) SEPARATION OF PHASES OF B) AND TREATMENT OF THE SAME BY CONVENTIONAL TECHNIQUES TO OBTAIN PURIFIED POLYOL POLYETER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09401514A ES2100120B1 (en) | 1994-07-12 | 1994-07-12 | DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09401514A ES2100120B1 (en) | 1994-07-12 | 1994-07-12 | DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2100120A1 ES2100120A1 (en) | 1997-06-01 |
ES2100120B1 true ES2100120B1 (en) | 1998-04-01 |
Family
ID=8286865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES09401514A Expired - Fee Related ES2100120B1 (en) | 1994-07-12 | 1994-07-12 | DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2100120B1 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS241409B1 (en) * | 1983-01-21 | 1986-03-13 | Ladislav Komora | Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation |
-
1994
- 1994-07-12 ES ES09401514A patent/ES2100120B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2100120A1 (en) | 1997-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19970601 Kind code of ref document: A1 Effective date: 19970601 |
|
FD1A | Patent lapsed |
Effective date: 20100315 |