Journal
CARBOHYDRATE POLYMERS
Volume 102, Issue -, Pages 537-542Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2013.11.047
Keywords
Nanofibrillated cellulose (NFC); Poly(butylene adipate-co-terephthalate) (PBAT); Bionanocomposites; Rheology; Nanocomposites
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The production of lower cost bionanocomposites based on nanofibrillated cellulose (NFC) is a promising source to develop the next generation of light weight and high performance materials for a variety of defense, infrastructure and energy applications. In this study, a series of bio-nanocomposites were developed by reinforcing NFC from regenerated wood fiber into poly(butylene adipate-co-terephthalate) (PBAT) by injection molding. The incorporation of NFC in PBAT matrix (0.2-1 wt%) increased the storage modulus (G') and dynamic viscosity (eta') as revealed by shear rheology, indicating a percolation threshold around 0.2-0.5 wt% region. DSC analysis showed similar trends with slight improvement of glass transition (T-g) and crystallization temperature (T-c). Percentage crystallinity, as calculated from heat of fusion equation and taking into account 100% crystallized PBAT data improved in overall. This is a fundamental study aimed at understanding the morphological, rheological and thermal evaluation of such nanocomposites for an improved dispersion of NFC as filler in the matrix. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
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