Hybrid supported metallocene catalyst and method for preparing polypropylene using same

Hybrid supported metallocene catalyst and method for preparing polypropylene using same

The present invention relates to a hybrid supported metallocene catalyst and a method for preparing polypropylene using the same, the catalyst exhibiting high activity during propylene polymerization and being useful for preparing polypropylene having high melt strength by introducing a long chain b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KWON DONG-HYUN, KANG MINYOUNG, KIM BYUNG-SEOK, LEE IN SUN, KIM SEOK-HWAN, JEONG YOONOL, KIM SE YOUNG
Format: Patent
Sprache:chi ; eng
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:The present invention relates to a hybrid supported metallocene catalyst and a method for preparing polypropylene using the same, the catalyst exhibiting high activity during propylene polymerization and being useful for preparing polypropylene having high melt strength by introducing a long chain branch into a polypropylene molecule. 本发明涉及一种混合负载型茂金属催化剂以及使用其制备聚丙烯的方法，所述催化剂在丙烯聚合期间展现出高活性，并且可用于通过将长链分支引入聚丙烯分子中而制备具有高熔体强度的聚丙烯。