NOVEL TRIARYLPHOSPHINE OR TRIARYLARSINE, α-OLEFINIC POLYMERIZATION CATALYST USING THE SAME, AND PRODUCTION METHOD OF α-OLEFINIC POLYMERIZATION CATALYST USING THE SAME

摘要

PROBLEM TO BE SOLVED: To develop an α-olefinic polymerization catalyst which has both a high molecular weight and a high comonomer content, can produce an α-olefin-methacrylic acid-based copolymer and has a high polymerization activity.

SOLUTION: The catalyst for copolymerizing an α-olefin and a polar group-containing monomer is made, for example, by using, as a catalyst composition, a metal complex having as a ligand a triphenylphosphine containing a sulfonyl group, such as [di(2-isopropylphenyl)](3-isopropyl-2-sulfonylphenyl)phosphine.

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