Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/1254
Título: New HDPE/MCM41 nanocomposites with improved mechanical performance: synthesis and characterizatio
Autor: Bento, A.
Lourenço, J. P.
Fernandes, A.
Pérez, E.
Cerrada, María L.
Ribeiro, M. R.
Palavras-chave: Ethylene polimerisation
MCM-41
Zirconocene
Supported catalyst
Data: 2011
Citação: Bento, A.; Lourenço, J. P.; Fernandes, A.; Pérez, E.; Cerrada, M. L.; Ribeiro, M. R. New HDPE/MCM41 nanocomposites with improved mechanical performance: synthesis and characterizatio. Trabalho apresentado em VI International Materials Symposium MATERIAIS 2011. In VI International Materials Symposium MATERIAIS 2011, Guimarães, 2011.
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.
Peer review: yes
URI: http://hdl.handle.net/10400.1/1254
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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