Process for reducing the odour of polyester resins, and the use thereof

A process for reducing the odour of polyester resins caused by undesired by-products, in which the liquid polyester resins are mixed with water, and the water is removed with warming under reduced pressure. The invention also relates to the use of the polyester resins treated in this way in the prod...

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Bibliographische Detailangaben
Hauptverfasser:	HEINRICH,SIEGFRIED, STUEBEN,JOHANNES, LILIENBECK,KLEMENS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A process for reducing the odour of polyester resins caused by undesired by-products, in which the liquid polyester resins are mixed with water, and the water is removed with warming under reduced pressure. The invention also relates to the use of the polyester resins treated in this way in the production of packaging for foodstuffs.