Mechanical and interfacial properties of plastic composite panels made from esterified bamboo particles |
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Authors: | Ke-Chang Hung Jyh-Horng Wu |
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Institution: | (1) Department of Chemical Technologies, Iranian Research Organization for Science & Technology (IROST), P.O. Box 15815-3538, Tehran, Iran;(2) Department of Wood and Paper Science, Research Institute of Forests & Rangelands (RIFR), Tehran, Iran |
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Abstract: | In this study, different extents of acetylated and butyrylated bamboo particle/plastic composites (BPPC) were produced by
the flat-platen pressing process. The effect of esterification on mechanical and interfacial properties of BPPC was evaluated
by a universal testing machine, X-ray diffractometer (XRD), 13C CP/MAS nuclear magnetic resonance (NMR) spectrometer, and scanning electron microscope (SEM). The results showed that the
internal bond (IB) and wood screw-holding strength of BPPC were significantly increased after acetylation, even though the
weight gain of acetylated bamboo particles was only 2%. In addition, SEM micrographs revealed that acetylated bamboo particles
were effectively trapped by the polymeric matrix on the IB-fractured surface of BPPC. These results indicate that the interfacial
interaction between the bamboo particle and the polymeric matrix can be enhanced through acetylation. |
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