科研之友
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摘要
An aluminabenzene-alkylzirconium complex having a half-zirconocene structure was synthesized. X-ray crystallographic analysis of this complex revealed a zwitterionic structure consisting of cationic alkylzirconium chloride and four-coordinated aluminate. In the presence of a catalytic amount of this complex, ethylene polymerization could proceed without any additives to form ultra-high molecular weight polyethylene.
- 出版日期2018-4-21
