Controlled thermal treatment with N2O affords easy active-site engineering of the CrII/SiO2 Phillips catalyst, overcoming some of the structural problems limiting ethylene polymerisation activity and leading to a large increase in the initial rate of polymerisation at room temperature (see figure). The results may be highly relevant to the production of some varieties of polyethylene.
Enhancing the Initial Rate of Polymerisation of the Reduced Phillips Catalyst by One Order of Magnitude
GROPPO, Elena Clara;DAMIN, Alessandro Ali;OTERO AREAN, Carlos;ZECCHINA, Adriano
2011-01-01
Abstract
Controlled thermal treatment with N2O affords easy active-site engineering of the CrII/SiO2 Phillips catalyst, overcoming some of the structural problems limiting ethylene polymerisation activity and leading to a large increase in the initial rate of polymerisation at room temperature (see figure). The results may be highly relevant to the production of some varieties of polyethylene.
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