MECHANICAL AND FLAMMABILITY PROPERTIES OF LOW DENSITY POLYETHYLENE/ALSTONIA BOONEI WOOD FIBRE COMPOSITES
Journal Title: ASIAN JOURNAL OF NATURAL & APPLIED SCIENCES - Year 2012, Vol 1, Issue 2
Abstract
The mechanical and flame retardancy properties of Low Density Polyethylene (LDPE) reinforced with AlstoniaBoonei (AB) wood fibres were studied. Composite samples of LDPE/AB were prepared with fibre loading of 0,5,10,15, and 20 wt%. Tensile test was used to assess the Young’s Modulus, yield strength, and yield strain. Tensile test results show an increase in Young’s Modulus and yield strength after an initial decrease, yield strain showed decreases and increases alternatively at different fibre loading. Indentation results show indentation values increasing with increasing fibre loading, while hardness tests reveal a decrease in Shore D hardness value with increasing fibre loading. Flammability tests reveal that LDPE/AB wood fibre composite had improved flame resistance properties with increasing fibre loading. The ignition and auto-combustion time increased with increasing fibre loading, while flame propagation rate (FPR), decreased with increasing fibre loading
Authors and Affiliations
M. U. Obidiegwu, C. T Nwosu
Keywords
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