Nickel(II) Isocyanide complexes as ethylene polymerization catalysts

Masao Tanabiki, Kazuhiro Tsuchiya, Yasuaki Kumanomido, Kouki Matsubara, Yukihiro Motoyama, Hideo Nagashima

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Isocyanide complexes of nickel, NiBr2(CNAr)2, are found to be active catalysts for polymerization of ethylene in the presence of methylaluminoxane (MAO). The catalytic activity and properties of polyethylene formed vary with substituents on the aryl group, in particular, at the 2- or 2,6-positions. The nickel complexes having 2,6-diphenylphenyliso-cyanide and its analogues are catalysts showing moderate activity and giving high molecular weight polyethylene (Mv > 106), whereas those bearing 2-phenylphenylisocyanide and its analogues give polyethylene with Mw = 103-104.

Original languageEnglish
Pages (from-to)3976-3981
Number of pages6
Issue number16
Publication statusPublished - Aug 2 2004

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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