CHDM-PETG and NPG-PETG on-line production conversion method and equipment and application of CHDM-PETG and NPG-PETG on-line production conversion method

The invention discloses a CHDM-PETG and NPG-PETG on-line production switching method and equipment and application thereof, the on-line production switching method provided by the invention solves the problem of on-line switching between two PETG slices, namely CHDM-PETG and NPG-PETG in a PETG conti...

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Bibliographische Detailangaben
Hauptverfasser:	JIANG RUIJI, GONG QIANG, HU YUNGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a CHDM-PETG and NPG-PETG on-line production switching method and equipment and application thereof, the on-line production switching method provided by the invention solves the problem of on-line switching between two PETG slices, namely CHDM-PETG and NPG-PETG in a PETG continuous production process through a method of controlling operation steps, material ratio and material adding time, and improves the production efficiency. Two different types of PETG can be produced by using the same set of device, and online production switching of two types of PETG slices is realized in the same set of device without stopping production, so that the device is initiated for the industry, and the related technical blank is filled. Moreover, the switching steps between the two types of PETG products are simple, the time is short, the generated transition materials are few, the efficient operation, high accuracy and convenient operation of the PETG production switching products are ensured, and the m