Abstract
De-Oiled Rice Bran (DORB) is the major byproduct of rice bran oil mill industry. It is mainly used as cattle, poultry and fish feed. As an alternate application the suitability of DORB as reinforcing material in composites is explored here. For achieving this goal, DORB reinforced polypropylene (PP) composites were studied in the present research. Composites were manufactured by using of injection molding and an extruder machine. For manufacturing purpose, different weight percentages such as 5, 10, 20 and 30% DORB were added with PP. After that mechanical and water absorption properties were evaluated following ASTM standards. Tensile, Flexure and Charpy impact strengths of composites increased for certain percentages of DORB (Tensile & Flexure strength for 5% and impact strength for 10% of DORB) although gradual decreasing trend were observed for further addition of DORB. Water absorption increased monotonously by addition of DORB. With regard to mechanical strength, DORB can be potential reinforcing materials for natural composites.
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