Method for producing ethylene polymer predicting and controlling the density of ethylene polymer in real time using on-line analyzer

The present invention relates to a method for producing an ethylene polymer by predicting and controlling the density of an ethylene polymer in real time using an on-line spectroscopic analyzer, and specifically, to a method for producing a polymer with desired properties by measuring properties suc...

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Bibliographische Detailangaben
Hauptverfasser:	PARK DONGKYU, SHIN DAE HO, KWAK DONG HUN, SHIM CHOON SIK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEASURING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method for producing an ethylene polymer by predicting and controlling the density of an ethylene polymer in real time using an on-line spectroscopic analyzer, and specifically, to a method for producing a polymer with desired properties by measuring properties such as the density of the polymer and the content of unreacted materials in real time on-line in a polymerization reactor system and controlling the content of raw materials introduced into a polymerization reaction therefrom. 본 발명은 분광분석기를 이용하여 실시간으로 에틸렌 중합체의 밀도를 예측 및 조절하는 에틸렌 중합체의 제조방법에 관한 것이다. 구체적으로 중합반응기 시스템에서 온-라인으로 실시간 중합체의 밀도, 미반응 물질의 함량 등의 특성을 측정하고, 이로부터 중합반응에 투입되는 원료물질의 함량을 조절함으로써 목적으로 하는 특성의 중합체를 제조하는 방법에 관한 것이다.