METHOD FOR PRODUCING POLYPROPYLENE

Provided is a method of producing polypropylene. More specifically, provided is a method of efficiently producing high-strength isotactic polypropylene having high crystallinity even with a shorter polymerization time.More specifically, provided is a method of producing polypropylene, including poly...

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Bibliographische Detailangaben
Hauptverfasser:	PARK, Ji Hae, SHIM, So Young, PARK, Hyo Seung, KIM, Hyeong Min, NA, Sung Jae
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Provided is a method of producing polypropylene. More specifically, provided is a method of efficiently producing high-strength isotactic polypropylene having high crystallinity even with a shorter polymerization time.More specifically, provided is a method of producing polypropylene, including polymerizing propylene in the presence of a catalyst composition including a Ziegler-Natta catalyst, an external electron donor, dialkylaluminum hydride, and trialkylaluminum, wherein the polypropylene has a xylene cold soluble content of 3 wt% or less.