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|Title:||The effect of treatment on kenaf ﬁber using green approach and their reinforced epoxy composites||Authors:||Kotharangannagari, Venkata Krishna
|Keywords:||Kenaf ﬁbers;Thermal properties;Polymer matrix;Composites and mechanical properties||Issue Date:||2016||Publisher:||Elsevier||Source:||Kotharangannagari, V.K. and Kanny, K. 2016. The effect of treatment on kenaf ﬁber using green approach and their reinforced epoxy composites. Composites Part B : Engineering. 104: 111-117.||Journal:||Composites. Part B, Engineering||Abstract:||
In this study we show the novel treatment (surface modiﬁcation) of kenaf ﬁber using amino acids and the studies of kenaf ﬁber reinforced epoxy composites. The kenaf ﬁber was treated at room temperature for 24 h, using two amino acids namely glutamic acid (acid) and lysine (base). Thermogravimetric analysis (TGA) of the treated kenaf ﬁber (glutamic acid treated and lysine treated) showed more weight loss than compared to untreated ﬁber. The tensile studies of the composites suggested improved me-chanical properties in both the cases, glutamic acid treated and lysine treated kenaf ﬁber than compared to untreated samples. Dynamic mechanical analysis (DMA) of the composites suggested that the storage modulus, loss modulus and tand were most inﬂuenced by the chemical treatment. The morphological studies of the kenaf ﬁbers before and after treatment were examined using scanning electron microscopy (SEM) and revealed that the chemical treatment for 24 h, removed any impurity from theﬁbers surface. In addition, morphological studies of fractured mechanical testing composite samples using SEM were performed to understand the de-bonding of ﬁber/matrix adhesion. The results, conﬁrmed that the lysine treatment is more effective than the glutamic acid treatment on kenaf ﬁbers.
|Appears in Collections:||Research Publications (Engineering and Built Environment)|
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