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Perfogit SpA
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Publication of ES210932A1publicationCriticalpatent/ES210932A1/es
Procedimiento para la recuperación de poliesteres caracterizado porque los poliesteres preferiblemente sin adición de catalizador alguno se disuelven a temperatura superior a la ordinaria con un alcohol mono o polivalente preferiblemente de punto de ebullición elevado y la solución obtenida se esterifica de nuevo con alcoholes de bajo peso molecular con adición de catalizadores alcalinos o ácidos.
ES0210932A1952-08-091953-07-31Procedimiento para la recuperacion de los residuos de los poliésteres sintéticos
ExpiredES210932A1
(es)