Abstract
Abstract This article presents the thermal degradation behavior of hybridized kenaf (bast)/pineapple leaf fiber (PALF) reinforced high density polyethylene (HDPE) composites by thermogravimetric and derivative thermogravimetric analyses (TG/DTG) with respect to the proportions of fiber in the composite, variation in fiber loading and fiber length. It was observed that the thermal decomposition of all the samples had taken place within the scheduled temperature range of 35–615 °C. For hybrid composites prepared at 40% fiber loading, the initial peak between 236.9 and 331 °C corresponds to a mass loss of between 23 and 26%, and expectedly, PALF composite and 1:1 hybrid composite have the highest mass lost at this point. Main decomposition temperature as revealed from DTG curves occurred around 467 °C for all except composite prepared with 0.75 and 2 mm fiber length. The mass loss at this temperature was between 64.4 and 73.7%. However, at 464.87 °C, around 98% of neat HDPE had already degraded. Decompositio...
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