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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Altres documents de l'autoria: Ambrosio Martín, Jesús; Gorrasi, Giuliana; López Rubio, Amparo; Fabra, María José; Cabedo, Luis; López Manchado, Miguel Angel; LAGARON, Jose
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7034
comunitat-uji-handle3:10234/8619
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Títol
On the use of ball milling to develop poly(3-hydroxybutyrate-co-3-hydroxyvalerate)-graphene nanocomposites (II)—Mechanical, barrier, and electrical propertiesAutoria
Data de publicació
2015-04Editor
© 2015 Wiley Periodicals, Inc.Cita bibliogràfica
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.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://onlinelibrary.wiley.com/wol1/doi/10.1002/app.42217/fullParaules clau / Matèries
Resum
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. [-]
Publicat a
Journal of Applied Polymer Science, Volume 132, Issue 29, August 5, 2015Drets d'accés
Copyright © 2016 John Wiley & Sons, Inc. All Rights Reserved
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info:eu-repo/semantics/openAccess
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
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