Wan Abdul Rahman, Wan Aizan and Sin, L. T. and Rahmat, Abdul Razak and Isa, N. M. and Salleh, M. S. N. and Mokhtar, Munirah (2011) Comparison of rice husk-filled polyethylene composite and natural wood under weathering effects. Journal Of Composite Materials, 45 (13). pp. 1403-1410. ISSN 0021-9983
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Official URL: http://dx.doi.org/10.1177/0021998310381545
The weathering performance of rice husk-filled high-density polyethylene (RHPE) and natural wood was investigated in this study. The injection molded RHPE, in column end-cap (CECap) shapes, was exposed to both natural and accelerated weathering attacks. The durability of RHPE was compared to Kempas wood (Koompassia malaccensis) and neat polyethylene. Wood underwent the greatest losses in properties among the specimens. Four months of outdoor weathering turned the color of RHPE CECap into silvery grey. When the exposure time increased, the color of RHPE composite faded faster than neat polyethylene. The wood surface darkened and RHPE surface flaked off after being exposed to accelerated weathering conditions. Prolonged weathering exposure caused loss of impact strength of the RHPE composites. In general, RHPE is more resistible to weathering attacks as compared to Kempas wood.
|Uncontrolled Keywords:||polyethylene, rice husk, weathering, wood|
|Subjects:||Q Science > QD Chemistry|
|Deposited By:||Liza Porijo|
|Deposited On:||29 Nov 2012 07:15|
|Last Modified:||13 Feb 2017 03:20|
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