Mesoporous Ga-MCM-41: A very efficient support for the heterogenisation of metallocene catalysts
作者： João M. Campos , João Paulo Lourenço , Auguste Fernandes , M. Rosário Ribeiro
DOI: 10.1016/J.CATCOM.2008.07.038
关键词:
摘要: Abstract Mesoporous Ga-containing silicates prepared by direct synthesis, Ga-MCM-41, are used in combination with metallocene Cp 2 ZrCl to provide very effective supported catalysts for ethylene polymerisation. A pre-treatment methylalumoxane is not required order achieve high polymerisation activity levels these catalysts, whose stability improved when compared the case where a purely siliceous support was immobilisation of metallocene.
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