Arjmandi, Reza and Hassan, Azman and Eichhorn, Stephen J. and Mohamad Haafiz, M. K. and Zakaria, Zainoha and Tanjung, Faisal Amri (2015) Enhanced ductility and tensile properties of hybrid montmorillonite/cellulose nanowhiskers reinforced polylactic acid nanocomposites. Journal of Materials Science, 50 (8). pp. 3118-3130. ISSN 0022-2461
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Official URL: http://dx.doi.org/10.1007/s10853-015-8873-8
Abstract
Montmorillonite (MMT)/cellulose nanowhiskers (CNW) reinforced polylactic acid (PLA) hybrid nanocomposites were prepared by solution casting. CNW were isolated from microcrystalline cellulose using a chemical swelling method. An initial study showed that the optimum MMT content, for mechanical properties, in a PLA/MMT nanocomposite is five parts per hundred parts of polymer (phr). Various amounts of CNW were added to the optimum formulation of PLA/MMT to produce PLA/ MMT/CNW hybrid nanocomposites. FT-IR analysis indicated the formation of some polar interactions, resulting in enhanced tensile properties of the hybrid nanocomposites. The highest tensile strength for the hybrid nanocomposites was obtained for a 1 phr CNW content. Young’s modulus was also found to increase with an increasing CNW content. Interestingly, the strain to failure (or ductility) of the hybrid nanocomposites increased significantly from ~10 to ~90% with the addition of 1 phr CNW. This increase in ductility was proposed to be due to the nucleation of crazes and the formation of shear bands in the PLA.
Item Type: | Article |
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Uncontrolled Keywords: | nanowhiskers, polyesters, reinforcement, tensile strength |
Subjects: | T Technology > TP Chemical technology |
Divisions: | Chemical Engineering |
ID Code: | 55011 |
Deposited By: | Fazli Masari |
Deposited On: | 09 Aug 2016 01:52 |
Last Modified: | 15 Feb 2017 07:24 |
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