Abstract
Date seeds were collected, washed, ground and sieved to 63 µm. A portion of the particles was subjected to alkaline treatment at 1, 3, 5, 7 and 10 %. FTIR analysis was carried out to assess the extent of chemical modification on the date seed particles. Waste polypropylene (wPP) / date seed particles (DSP) composites were fabricated by compounding and compression moulding using both the untreated and treated particles at 20 % filler loading. Tensile and flexural test, impact test and hardness (HV) of the composites were conducted and evaluated. The alkaline treatment improved tensile and flexural strength, elongation at break, impact strength and hardness while tensile and flexural modulus showed a decrease with increase in alkaline concentration.
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