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|Type:||Artigo de periódico|
|Title:||Preparation And Characterization Of Cellulose Acetate/polysiloxane Composites|
|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. © 2013 Springer Science+Business Media Dordrecht.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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