I.r. measurements show that short polymethylene chains (about 20 CH2 units) on a supported chromia catalyst are linked to surface CrII ions via alkylidene groups, and suggest a novel mechanism of chain propagation.
G. Ghiotti, E. Garrone, S. Coluccia, C. Morterra and A. Zecchina, J. Chem. Soc., Chem. Commun., 1979, 1032 DOI: 10.1039/C39790001032
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