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Catalyst composition

2025-06-17 07:163320下载
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The present invention relates to a catalyst composition for polymerization of a conjugated diene, comprising : (A) a metallocene-type complex of a rare earth metal compound; (B) aluminoxane; and (C) a combination of two or more organometallic compounds of group I to group III elements in a periodic table. The present invention provides a catalyst composition for polymerization, for efficiently producing polymers each having a high cis-1, 4-configuration content in microstructure, an appropriate molecular weight for easy processing, and a narrow molecular weight distribution.


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