POLYMERIZATION CATALYST FOR CONJUGATED DIENE POLYMER, PROCESS FOR PRODUCING CONJUGATED DIENE POLYMER WITH THE SAME, RUBBER COMPOSITION FOR TIRE, AND RUBBER COMPOSITION FOR GOLF BALL

[Subject] A catalyst for polymerization of conjugated diene is provided, which facilitates manufacture of a conjugated diene polymer with a high 1,4-cis structure content, leaves less aluminum residue on polymerization, and has high activity. A method of manufacturing conjugated diene polymers using...

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Main Authors SUZUKI, MICHINORI, ISHIGUCHI, KOUJI, OKAMOTO, NAOMI, EIKYUU, MITSUHARU, MURAKAMI, MASATO
Format Patent
LanguageEnglish
French
German
Published 15.01.2014
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Summary:[Subject] A catalyst for polymerization of conjugated diene is provided, which facilitates manufacture of a conjugated diene polymer with a high 1,4-cis structure content, leaves less aluminum residue on polymerization, and has high activity. A method of manufacturing conjugated diene polymers using the catalyst is also provided. [Solution] A catalyst for polymerization of conjugated diene comprises (A) an yttrium compound; (B) an ionic compound including a non-coordinate anion and a cation; and (C) an organometallic compound including an element selected from the groups 2, 12 and 13 of the periodic table.
Bibliography:Application Number: EP20050795844