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Type: Artigo de periódico
Title: Preparation and characterization of cellulose acetate/polysiloxane composites
Author: Brandao, LR
Yoshida, IVP
Felisberti, MI
Goncalves, MD
Abstract: Composites of cellulose acetate and polysiloxane were prepared using 3-isocyanatepropyltriethoxysilane, as a coupling agent. The structure, the thermal and dynamic-mechanical behaviors, and the morphology of the obtained composites were investigated. The composites showed phase separation which was confirmed by the presence of siloxane micro- and nano-domains dispersed in the cellulose acetate matrix, with good interfacial adhesion between the phases. The results demonstrated that the incorporation of a polysiloxane phase on a cellulose acetate matrix caused a decrease in the glass transition temperature, storage modulus and hardness. The proposed methodology was seen to be convenient for the preparation of cellulose acetate/polysiloxane composites with useful properties.
Subject: Cellulose acetate
Coupling agent
Country: Holanda
Editor: Springer
Rights: fechado
Identifier DOI: 10.1007/s10570-013-0039-8
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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