New HDPE/MCM41 nanocomposites with improved mechanical performance: synthesis and characterizatio

Ordered mesoporous silicas with a channel structure of well-defined geometries and dimensions at nanometer scale are excellent candidates to host intercalation reactions. In recent years, our research group has shown that mesoporous silicas of the M41S class combined with metallocene complexes give...

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Detalhes bibliográficos
Autor principal: Bento, A. (author)
Outros Autores: Lourenço, J. P. (author), Fernandes, A. (author), Pérez, Ernesto (author), Cerrada, María L. (author), Ribeiro, M. R. (author)
Formato: conferenceObject
Idioma:eng
Publicado em: 2012
Assuntos:
Ethylene polimerisation
MCM-41
Zirconocene
Supported catalyst
Texto completo:http://hdl.handle.net/10400.1/1254
País:Portugal
Oai:oai:sapientia.ualg.pt:10400.1/1254
Descrição
Resumo:Ordered mesoporous silicas with a channel structure of well-defined geometries and dimensions at nanometer scale are excellent candidates to host intercalation reactions. In recent years, our research group has shown that mesoporous silicas of the M41S class combined with metallocene complexes give rise to excellent supported catalysts for ethylene polymerisation. Due to the support characteristics, the reaction is allowed to occur in the channels and in this way hybrid organic-inorganic materials can be prepared within a large range of nanofiller concentration. These HDPE/MCM-41 nanocomposites exhibit an improved mechanical performance and an easier degradability due to the additional role of MCM-41 as a promoter for PE degradation.

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