Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/8912
Título: Hafnocene catalyst for polyethylene and its nanocomposites with SBA-15 by in situ polymerization: immobilization approaches, catalytic behavior and properties evaluation
Autor: Ferreira, Ana E.
Cerrada, María L.
Pérez, Ernesto
Lorenzo, Vicente
Cramail, Henri
Lourenço, J. P.
Quijada, Raul
Ribeiro, M. Rosário
Palavras-chave: Polyethylene
Mesoporous SBA-15
Immobilization approaches
Nanocomposites
Crystallinity
Indentation
Data: 2016
Editora: Elsevier
Resumo: A hafnocene catalyst combined with methylaluminoxane (MAO) has been used as catalytic complex for the preparation of a set of polyethylene homopolymers by in situ polymerization under homogenous conditions and of different nanocomposites with mesoporous SBA- 15 particles, the latter playing the dual role of catalyst support and nanofiller. Distinct immobilization approaches have been explored for obtainment of these nanocomposites. Moreover, catalytic features, thermal stability, melting and crystallization transitions and mechanical behavior have been evaluated for those materials.
Peer review: yes
URI: http://hdl.handle.net/10400.1/8912
DOI: http://dx.doi.org/10.1016/j.eurpolymj.2016.10.033
ISSN: 0014-3057
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0014305716307765
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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