PREPARATION OF POLYOLEFIN

PURPOSE:To obtain a polyolefin having wide molecular weight distribution, and improved molding and processing properties, by polymerizing an olefin in the presence of a catalyst consisting of a titanium compound, an organoaluminum compound, an electron donor compound, and an unsaturated ether compou...

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Bibliographische Detailangaben
Hauptverfasser: ITOU JIYUNICHI, MITANI KATSUO, HAYASHI TETSUO, ASAEDA EITAROU, SHIGETOMI YOSHIYUKI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To obtain a polyolefin having wide molecular weight distribution, and improved molding and processing properties, by polymerizing an olefin in the presence of a catalyst consisting of a titanium compound, an organoaluminum compound, an electron donor compound, and an unsaturated ether compound by a multiple stage. CONSTITUTION:A polymerizer is charged with (A) a titanium compound such as TiCl4, etc., (B) 1-200mol based on 1mol component A of an organoaluminum compound such as trimethylaluminum, etc., (C)