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US5679814A Purification of metallocenes 失效
金属茂的纯化

Purification of metallocenes
摘要:
Metallocenes, such as silicon bridged ansa-metallocenes, are purified by heating a slurry of the metallocene at elevated temperature in an aprotic, polar solvent so as to extract impurities from the metallocene into the solvent and then separating the impurity containing solvent from the metallocene.
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