Concepedia

Well-defined ethylene polymerisation catalysts derived from bis(imido) chromium(VI) precursors

Martyn P. Coles, Christopher I. Dalby, V.C. Gibson, W. Clegg, M.R.J. Elsegood

Journal of the Chemical Society Chemical Communications · 1995 · 72 citations · 17 references

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Abstract

Well-defined, cationic alkyl chromium polymerisation catalysts are generated upon treatment of the chromium(VI) dialkyl complexes Cr(NR)2(CH2R′)2(R = But, R′= Ph; R = 2,6-Pri2C6H3, R′= Ph, H) with the borate salts [Ph3C][B(C6F5)4] or [PhNMe2H][B(C6F5)4].

References

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“Living Polymers” on Polymerization with Extremely Productive Ziegler Catalysts

Hansjörg Sinn, Walter Kaminsky, Hans‐Jürgen Vollmer et al. · Angewandte Chemie International Edition in English · 1980 · 659 citations

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Cation-like homogeneous olefin polymerization catalysts based upon zirconocene alkyls and tris(pentafluorophenyl)borane

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Faster data collection without loss of precision. An extension of the learnt profile method

W. Clegg · Acta Crystallographica Section A · 1981 · 465 citations

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Ethylene polymerization by a cationic dicyclopentadienyl zirconium(IV) alkyl complex

Richard F. Jordan, Chandrasekhar S. Bajgur, R.D. Willett et al. · Journal of the American Chemical Society · 1986 · 367 citations

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