An NMR and ESR-investigation of the catalytic system Ni(acac)2, C3H4, (i-Bu)3Al for the polymerization of propadiene

J.G. van Ommen; J.G.M. van Rens; P.J. Gellings

doi:10.1016/0304-5102(81)85078-X

An NMR and ESR-investigation of the catalytic system Ni(acac)2, C3H4, (i-Bu)3Al for the polymerization of propadiene

J.G. van Ommen, J.G.M. van Rens, P.J. Gellings

University of Twente

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Abstract

the formation of an active propadiene polymerization catalyst in the system Ni(acac)2, C3H4, (i-Bu)3Al was studied by means of 1H NMR and ESR spectroscopy. At low temperature two types of nickel(I) complexes could be trapped, probably intermediates in the formation of the catalyst, which is proposed to be a tetrahedrally or octahedrally coordinated paramagnetic Ni(II) complex.

Original language	Undefined
Pages (from-to)	313-321
Journal	Journal of molecular catalysis
Volume	13
Issue number	3
DOIs	https://doi.org/10.1016/0304-5102(81)85078-X
Publication status	Published - 1981

Keywords

IR-68723

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10.1016/0304-5102(81)85078-X

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van Ommen, J. G., van Rens, J. G. M., & Gellings, P. J. (1981). An NMR and ESR-investigation of the catalytic system Ni(acac)2, C3H4, (i-Bu)3Al for the polymerization of propadiene. Journal of molecular catalysis, 13(3), 313-321. https://doi.org/10.1016/0304-5102(81)85078-X

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abstract = "the formation of an active propadiene polymerization catalyst in the system Ni(acac)2, C3H4, (i-Bu)3Al was studied by means of 1H NMR and ESR spectroscopy. At low temperature two types of nickel(I) complexes could be trapped, probably intermediates in the formation of the catalyst, which is proposed to be a tetrahedrally or octahedrally coordinated paramagnetic Ni(II) complex.",

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AU - van Rens, J.G.M.

AU - Gellings, P.J.

PY - 1981

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AB - the formation of an active propadiene polymerization catalyst in the system Ni(acac)2, C3H4, (i-Bu)3Al was studied by means of 1H NMR and ESR spectroscopy. At low temperature two types of nickel(I) complexes could be trapped, probably intermediates in the formation of the catalyst, which is proposed to be a tetrahedrally or octahedrally coordinated paramagnetic Ni(II) complex.

KW - IR-68723

U2 - 10.1016/0304-5102(81)85078-X

DO - 10.1016/0304-5102(81)85078-X

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EP - 321

JO - Journal of molecular catalysis

JF - Journal of molecular catalysis

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