Process for recovering dialkyl terephthalate from raw material

A process for recovering dialkyl terephthalate may include exposing a polyester composition to depolymerization conditions having one or more glycols to provide one or more depolymerized products. The one or more depolymerized products may be exposed to an alcoholysis process to recover the dialkyl...

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Bibliographische Detailangaben
Hauptverfasser:	HARRIS HANNAH GRACE, MURDOE PERRY MICHAEL, ZHENG PINGUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Zusammenfassung:	A process for recovering dialkyl terephthalate may include exposing a polyester composition to depolymerization conditions having one or more glycols to provide one or more depolymerized products. The one or more depolymerized products may be exposed to an alcoholysis process to recover the dialkyl terephthalate. 回收对苯二甲酸二烷基酯的工艺一种工艺，可以包括将聚酯组合物暴露于具有一种或多种二醇的解聚条件下，以提供一种或多种解聚产物。可以将一种或多种解聚产物暴露于醇解过程以回收对苯二甲酸二烷基酯。