Chemical Modification of Nypa fruticans Filled Polylactic Acid/Recycled Low-density Polyethylene Biocomposites

Mohamad Syahmie Mohamad Rasidi, Salmah Husseinsyah, Teh Pei Leng


Nypa fruticans (NF) is a lignocellulosic material belonging to the family Palmae or Arecaceae. Effects of NF content and chemical modification using methyl methacrylate (MMA) on tensile, thermal, and morphological properties of biocomposites were investigated. The results showed that the addition of NF decreased the tensile strength, elongation at break, and crystallinity, but increased the Young’s modulus, of biocomposites. Moreover, the addition of NF increased the thermal stability. Meanwhile, the tensile strength and Young’s modulus of the biocomposites treated with MMA were higher than the untreated biocomposites. The treated biocomposites exhibited higher thermal degradation temperature and crystallinity compared to the untreated biocomposites. The morphology study of the tensile-fractured surfaces of biocomposites indicated that chemical modification with MMA enhanced the interfacial interaction between NF and the PLA/rLDPE matrix.


Nypa fruticans; Polylactic acid; Recycled low density polyethylene; Chemical treatment; Biocomposites

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