CIRCULATING REACTOR WITH VARIABLE DIAMETRE FOR POLYMERISATION OF OLEFINS

FIELD: chemistry. ^ SUBSTANCE: invention relates to a method for polymerisation of ethylene, specifically to a method for polymerisation of ethylene in a circulating reactor. Polymerisation takes place at temperature ranging from 20 to 150C, but below the melting point of the obtained polymer and pr...

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Hauptverfasser:	GZELLA VOL'FGANG, MIKHAN SHAKHRAM, VUL'FF-DERING JOAKHIM, MAJERKHOFER MARKUS, KELLE PETER
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: chemistry. ^ SUBSTANCE: invention relates to a method for polymerisation of ethylene, specifically to a method for polymerisation of ethylene in a circulating reactor. Polymerisation takes place at temperature ranging from 20 to 150C, but below the melting point of the obtained polymer and pressure ranging from 5 to 100 bars. The polymer is present in suspension in liquid or supercritical suspension medium. The suspension is circulated by an axial pump. The circulation reactor has a diametre which varies by 10%. The reactor also has one widening and narrowing in an area which is not the area of the axial pump. ^ EFFECT: high reaction product output per unit time. ^ 7 cl, 3 tbl, 3 ex Изобретение относится к способу полимеризации этилена, в частности к способу полимеризации этилена в циркуляционном реакторе. Полимеризацию проводят при температуре от 20 до 150°С, но ниже точки плавления получаемого полимера и давлении от 5 до 100 бар. Полимер присутствует в суспензии в жидкой или суперкритической суспензионной среде. Суспензия циркулирует посредством аксиального насоса. Циркуляционный реактор имеет диаметр, который варьируется на 10%. Также реактор имеет одно расширение и сужение в области, отличной от области аксиального насоса. Способ позволяет получать продукт реакции с высоким выходом в единицу времени. 6 з.п. ф-лы, 3 табл.