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
Application number
ES09401514A
Other languages
Spanish (es)
Other versions
ES2100120A1 (en
Inventor
Lucas Martinez Antonio De
Canizares Pablo Canizares
Romero Juan Francisc Rodriguez
Novella Enrique Costa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Repsol Quimica SA
Original Assignee
Repsol Quimica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Repsol Quimica SA filed Critical Repsol Quimica SA
Priority to ES09401514A priority Critical patent/ES2100120B1/en
Publication of ES2100120A1 publication Critical patent/ES2100120A1/en
Application granted granted Critical
Publication of ES2100120B1 publication Critical patent/ES2100120B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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.

ES09401514A 1994-07-12 1994-07-12 DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS. Expired - Fee Related ES2100120B1 (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ES2100120A1 (en) 1997-06-01

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