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Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
Original Assignee
Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Filing date
Publication date
Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Publication of ES232768A1publicationCriticalpatent/ES232768A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Polyesters Or Polycarbonates
(AREA)
Abstract
Un procedimiento para la degradación de tereftalato polietilénico a éster dimetílico del ácido tereftálico, caracterizado porque el tereftalato polietilénico es calentado bajo presión hasta a lo sumo 210º, en presencia de éster dimetílico del ácido terftálico,asi como en presencia de metanol y catalizadores par ala transesterificación.
ES0232768A1956-01-251956-12-29UN PROCEDIMIENTO PARA LA DEGRADACIoN DE TEREFTALATO POLIETILÉNICO
ExpiredES232768A1
(es)