On the use of ball milling to develop poly(3-hydroxybutyrate-co-3-hydroxyvalerate)-graphene nanocomposites (II)—Mechanical, barrier, and electrical properties
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Otros documentos de la autoría: Ambrosio Martín, Jesús; Gorrasi, Giuliana; López Rubio, Amparo; Fabra, María José; Cabedo, Luis; López Manchado, Miguel Angel; LAGARON, Jose
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Título
On the use of ball milling to develop poly(3-hydroxybutyrate-co-3-hydroxyvalerate)-graphene nanocomposites (II)—Mechanical, barrier, and electrical propertiesAutoría
Fecha de publicación
2015-04Editor
© 2015 Wiley Periodicals, Inc.Cita bibliográfica
AMBROSIO‐MARTÍN, Jesús, et al. On the use of ball milling to develop PHBV–graphene nanocomposites (II)— Mechanical, barrier, and electrical properties. Journal of Applied Polymer Science, 2015, 132.29.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://onlinelibrary.wiley.com/wol1/doi/10.1002/app.42217/fullPalabras clave / Materias
Resumen
In this work, poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) nanocomposites containing functionalized graphene sheets (FGS) were prepared by means of high-energy ball milling. The crystalline structure, oxygen ... [+]
In this work, poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) nanocomposites containing functionalized graphene sheets (FGS) were prepared by means of high-energy ball milling. The crystalline structure, oxygen barrier, mechanical and electrical properties, and biodegradability of the developed nanocomposites were analyzed and correlated with the amount of FGS incorporated and with their morphology, which was reported in a previous study. Addition of FGS into the PHBV matrix did not affect the crystal morphology of the material but led to somewhat enhanced crystallinity. The good dispersion and distribution of the nanofiller within the polymeric matrix, revealed in the first part of this study, was thought to be crucial for the mechanical reinforcing effect of FGS and also resulted in enhanced gas barrier properties at high relative humidity. Additionally, the conducting behavior of the nanocomposites, as interpreted by the percolation theory, displayed a very low percolation threshold set at ∼0.3 vol % of FGS, while the materials exhibited an overall significantly enhanced conductivity. [-]
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Journal of Applied Polymer Science, Volume 132, Issue 29, August 5, 2015Derechos de acceso
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