On the fraction of CrII sites involved in the C2H4 polymerization on the Cr/SiO2 Phillips catalyst: a quantification by FTIR spectroscopy

Publisher Website
Google Scholar
Abstract
An estimation of the fraction of CrII sites involved in the C2H4 polymerization on a CrII/SiO2 Phillips catalyst has been obtained by means of in situ alternated CO adsorption and C2H4 polymerization FTIR experiments: about 28% of the total surface sites react fast with C2H4, while a lower fraction, which depends upon the temperature reaction conditions, is more slowly involved, in agreement with XANES results.