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US6013744A Syndiotactic vinylidene aromatic polymerization process 失效
间规亚乙烯芳族聚合方法

Syndiotactic vinylidene aromatic polymerization process
摘要:
A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with a hydrocarbylsilane or di(hydrocarbyl)silane adjuvant to form a monomer/silane mixture and contacting the monomer/silane mixture with a catalyst composition comprising a Group 4 metal complex and an activating cocatalyst.
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