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POLYMERIZATION CATALYST COMPOSITION, METHOD FOR PRODUCING POLYMERIZATION CATALYST COMPOSITION, AND

2025-06-18 05:274610下载
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A polymerization catalyst composition which contains a rare earth carboxylate, a phosphoric acid ester represented by general formula (1) and water. (In the formula, each R independently represents an alkyl group having from 5 to 20 carbon atoms.)


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