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Unilever NV
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Unilever NV
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Publication of ES231374A1publicationCriticalpatent/ES231374A1/es
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para la preparación de productos de condensación de ácidos grasos, caracterizado porque se caliente anhídridos de ácidos grasos que no contienen grupos hidroxilo libres, o de mezclas que contienen una gran cantidad de estos anhídridos de ácidos grasos, a temperaturas comprendidas entre 180º y 300 º C bajo eliminación del agua formada durante la reacción hasta que el producto reaccional presenta un notable contenido no saponificable, con un peso molecular medio correspondiente al peso molecular calculado de un producto de condensación de a lo menos tres moléculas de ácido graso.
ES0231374A1955-10-071956-10-06PROCEDIMIENTO PARA LA PREPARACIoN DE PRODUCTOS DE CONDENSACION DE áCIDOS GRASOS
ExpiredES231374A1
(es)