期刊
MATERIALS & DESIGN
卷 65, 期 -, 页码 377-386出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2014.08.076
关键词
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Nanocomposites of high density polyethylene (HDPE) along with lightweight hollow fly ash cenospheres and acid functionalized multi-walled carbon nanotubes (MWCNT) have been developed. In order to enhance the interfacial adhesion, an epoxy functionalized HDPE has been added to the composites while the cenospheres have been surface modified using aminosilane coupling agent. Improvement in mechanical properties for the nanocomposites using both cenospheres and MWCNT was seen and were further analysed using micromechanical models. The addition of both cenospheres and MWCNT together exhibited synergism which led to lowering of peak heat release rates as observed by cone calorimetry. A uniform char layer was formed by using both the fillers together. The nanocomposites showed enhanced thermal stability. Differential scanning calorimetric analysis indicated lowered crystallinity percentage values of the HDPE phase due to improved interfacial interactions. (C) 2014 Elsevier Ltd. All rights reserved.
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