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Citation: QIAN Ming-Xing, HUANG Yong, WANG Mei, QIN Guo-Ping, ZHANG Yu-Liang, HE Ren. Ethylene Oligomerization Catalyzed by Bis(indenyl) diaryloxy Zirconium[J]. Chinese Journal of Applied Chemistry, ;2000, 17(1): 96-98. shu

Ethylene Oligomerization Catalyzed by Bis(indenyl) diaryloxy Zirconium

1.
Laboratory of Comprehensive Utilization of Carbonacenous Resources, Dalian University of Technology, Dalian 116012

Received Date: 25 June 1999
Available Online: 27 September 1999
Fund Project: 国家自然科学基金(29773008) (29773008)大连理工大学教育部碳资源综合利用开放实验室(97007K)资助项目 (97007K)

Compounds Ind₂Zr(OC₆H₄-p-Me)₂, Ind₂Zr(OC₆H₅)₂, Ind₂ZrCl₂ and Cp₂Zr(OC₆H₄-p-Me)₂ have been synthesized and formed respective catalysts A、B、C、D with Et₂AlCl. The effects of polymerization temperature, time and catalyst aging temperature on the catalytic activities and selectivities of the catalysts in ethy lene oligomerization have been investigated. The order of the catalytic activity of the catalysts was A > B > C > D. Under optimal reaction conditions the activity of catalyst A was 1666 g/g·h (oligomer mass obtained by one gram Zr in cataly st per an hour) with selectivity of 92.7% for C₄⁼~C₁₀⁼ olefins and 86.0% for C₄⁼~C₁₀⁼ linear α-olefins.
- ethylene oligomerization,
- Ziegler-Natta catalyst,
- (indenyl) Zr(diaryloxy) compound
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