ETHYLENE POLYMERIZATION PROCESS IN HIGH-PRESSURE REACTOR

FIELD: polymerization processes. ^ SUBSTANCE: invention provides ethylene polymerization process at pressure between 1000 and 4000 bar and temperature from 140 to 320°C, which is characterized by that water is continuously or stepwise is fed into reactor so that reaction proceeds at such pressure an...

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Bibliographische Detailangaben
Hauptverfasser:	KELER GERNOT, LITTMANN DITER, KHEHFFNER EHKKHARD, MEHLING FRANK-OLAF
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	FIELD: polymerization processes. ^ SUBSTANCE: invention provides ethylene polymerization process at pressure between 1000 and 4000 bar and temperature from 140 to 320°C, which is characterized by that water is continuously or stepwise is fed into reactor so that reaction proceeds at such pressure and temperature, at which water is in supercritical state. ^ EFFECT: improved heat extraction and thereby increased degree of ethylene conversion. ^ 9 cl, 2 tbl, 7 ex