CATALYST COMPOSITION AND METHOD FOR PRODUCING VINYL COMPOUND POLYMER USING THE CATALYST COMPOSITION

PROBLEM TO BE SOLVED: To provide a catalyst composition that reduces variation in catalytic activity, and a method for producing a vinyl compound polymer using the catalyst composition.SOLUTION: A catalyst composition comprises: (A) a half-metallocene-based transition metal compound in which the cen...

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Hauptverfasser:	YOKOTA KIYOHIKO, KURAMOTO MASAHIKO
Format:	Patent
Sprache:	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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a catalyst composition that reduces variation in catalytic activity, and a method for producing a vinyl compound polymer using the catalyst composition.SOLUTION: A catalyst composition comprises: (A) a half-metallocene-based transition metal compound in which the central metal is at least one chosen from metals of groups 3-5 in the periodic table and lanthanoid metals; (B) a compound capable of reacting with an oxygen-containing compound and/or a transition metal compound to form an ionic complex; (C) a compound represented by formula (I): RAl(OR)X[wherein Rand Rare each a 1-8C alkyl group; X is a halogen atom; and m and n satisfy the relations: 0