Journal Article10.1016/J.POLYMER.2009.10.054
Metal dependent control of cis-/trans-1,4 regioselectivity in 1,3-butadiene polymerization catalyzed by transition metal complexes supported by 2,6-bis[1-(iminophenyl)ethyl]pyridine
Dirong Gong,Baolin Wang,Chenxi Bai,Jifu Bi,Feng Wang,Weimin Dong,Xuequan Zhang,Liansheng Jiang +7 more
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TL;DR: In this paper, the catalytic activity and regioselectivity are strongly controlled by metal center and cocatalyst (MAO/Co ratio dependent in the case of Co(II) complex).
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About: This article is published in Polymer. The article was published on 10 Dec 2009. The article focuses on the topics: Transition metal.
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Citations
Nickel N-heterocyclic carbene complexes and their utility in homogeneous catalysis
A. P. Prakasham,Prasenjit Ghosh +1 more
TL;DR: An emerging area of the nickel N-heterocyclic carbene (NHC) complexes and their applications in homogeneous catalysis is highlighted in the review as discussed by the authors, which provides an up-to-date account of the developments of the field along with an in-depth analysis to identify potentially interesting areas for the future research in the area.
128
Synthesis, characterization, and butadiene polymerization of iron(III), iron(II) and cobalt(II) chlorides bearing 2,6-bis(2-benzimidazolyl)pyridyl or 2,6-bis(pyrazol)pyridine ligand
TL;DR: In this article, the catalytic activity and selectivity are significantly influenced by the ligand structure, with the latter being tunable within a wide range from cis-1-4 to trans-1,4.
82
The effect of the central donor in bis(benzimidazole)-based cobalt catalysts for the selective cis-1,4-polymerisation of butadiene.
Renan Cariou,Juan J. Chirinos,Vernon C. Gibson,Grant Berent Jacobsen,Atanas K. Tomov,George J. P. Britovsek,Andrew J. P. White +6 more
TL;DR: A series of bis(benzimidazole)-based cobalt(II) dichloride complexes containing a range of different central donors has been synthesized and characterized, shown to catalyse the polymerization of butadiene, in combination with MAO as the co-catalyst, to give cis-1,4-polybutadiene with high selectivity.
82
The enhanced catalytic performance of cobalt catalysts towards butadiene polymerization by introducing a labile donor in a salen ligand.
TL;DR: The catalytic systems have the ability of conducting a high level of active and selective polymerization, reaching an upper limit of polymerization temperature of about 70 °C, and could shed light on developing highly selective and reactive industrially applicable catalysts with an enhanced thermal stability.
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References
Iron and cobalt ethylene polymerization catalysts bearing 2,6-bis(imino)pyridyl ligands : synthesis, structures, and polymerization studies
George J. P. Britovsek,Michael I. Bruce,Vernon C. Gibson,Brian Stephen Kimberley,Peter James Maddox,Sergio Mastroianni,Stuart James Mctavish,Carl Redshaw,Gregory A. Solan,Staffan Stromberg,and Andrew J. P. White,David J. Williams +11 more
TL;DR: In this article, the synthesis, characterization, and ethylene polymerization behavior of a series of iron and cobalt halide complexes, LMXn, bearing chelating 2,6-bis(imino)pyridyl ligands L [L = 2.6-(ArNCR1)2C5H3N] is reported.
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