Nickel(II) Isocyanide complexes as ethylene polymerization catalysts

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

doi:10.1021/om0498394

Nickel(II) Isocyanide complexes as ethylene polymerization catalysts

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

Department of Applied Molecular Chemistry

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

Abstract

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 (M_v > 106), whereas those bearing 2-phenylphenylisocyanide and its analogues give polyethylene with M_w = 10³-10⁴.

Original language	English
Pages (from-to)	3976-3981
Number of pages	6
Journal	Organometallics
Volume	23
Issue number	16
DOIs	https://doi.org/10.1021/om0498394
Publication status	Published - Aug 2 2004

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "Nickel(II) Isocyanide complexes as ethylene polymerization catalysts",

abstract = "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.",

author = "Masao Tanabiki and Kazuhiro Tsuchiya and Yasuaki Kumanomido and Kouki Matsubara and Yukihiro Motoyama and Hideo Nagashima",

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T1 - Nickel(II) Isocyanide complexes as ethylene polymerization catalysts

AU - Tanabiki, Masao

AU - Tsuchiya, Kazuhiro

AU - Kumanomido, Yasuaki

AU - Matsubara, Kouki

AU - Motoyama, Yukihiro

AU - Nagashima, Hideo

PY - 2004/8/2

Y1 - 2004/8/2

N2 - 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.

AB - 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.

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Nickel(II) Isocyanide complexes as ethylene polymerization catalysts

Abstract

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