发明名称 GROUP IV ZWITTERION ANSA METALLOCENE (ZAM) CATALYSTS FOR ALPHA-OLEFIN POLYMERIZATION
摘要 <p>Single component metallocene catalysts for α-olefin polymerization are disclosed. Prior art cation metallocene catalysts have required a separate anion co-catalyst like methyl aluminoxane (MAO). However, because the inventive zwitterion ansa metallocene (ZAM) catalysts have a 'built-in' anion co-catalyst functionality, the need for a separate anion co-catalyst is eliminated.</p>
申请公布号 WO1998006759(A1) 申请公布日期 1998.02.19
申请号 US1997013793 申请日期 1997.08.08
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