Abstract
The aim of this study is to develop bio-film based on high-density polyethylene (HDPE) and oil palm mesocarp fibre (OPMF). Rheological and mechanical properties of the biofilm were investigated using melt flow index and tensile test respectively. The produced films were characterized using scanning electron microscopy and differential scanning calorimetry (DSC). In addition, biodegradation and absorption properties were studied. OPMF is dried and then added to HDPE to be compounded using a twin-screw extruder. Maleic anhydride was used as compatibilizer during the melt mixing. The film samples were prepared using hot compression moulding process. Young’s modulus was found to increase with addition of OPMF and vice versa for tensile strength and elongation at break of the film sample. The reason behind the reduction of tensile strength and elongation at break is the low effective cross sectional area of HDPE matrix. Melting point value was increased after the addition of OPMF into the film as shown in DSC analysis. The rising of water absorption rate of the films is greatly relative to the content of OPMF as a result of high affinity of OPMF to water.
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