Development and characterization on mechanical of pineapple leaf fibre reinforced thermoplastics sago starch composite

Rozlan, Muhamad Irfan Asyraf (2023) Development and characterization on mechanical of pineapple leaf fibre reinforced thermoplastics sago starch composite. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Natural fibre composites have elevated material engineering research to greater levels. Natural fibres like grass, henequen, and wood have decreased petroleum-based product consumption. Pineapple leaf fibre (PALF), which has been abundantly cultivated in Malaysia, is one of the natural fibre resources. Pineapple leaf fibre (PALF), mainly from the Josapine family, contains a significant amount of cellulose and has solid mechanical qualities. As a result, the PALF from Josephine was employed as reinforced material in this work, with sago starch (SS) and glycerol as thermoplastics. Next, glycerol/starch weight fractions of 25/75 were used to make the thermoplastics sago starch (TPSS). After that, combinations of pineapple leaf fibre with thermoplastics sago starch in 10/90, 20/80, 30/70, 40/60 and 50/50 compositions were set. Prepping the mixture inside the mould will be placed in the hot press machine for a 15-minute preheating process. The mould was then hot pressed for 50 minutes at 25kg/cm2 with a temperature of 190°C, next, cooling process for another 15 minutes. Finally, mould was removed using a hydroulic frame 10-tonne machine to obtain the final sample. Finalised piece sample will be cut into specific testing sizes using a table saw cutting machine. Multiple tests have been performed to verify the bio-composites capabilities. The results demonstrate that including 40 percentage PALF loading maximised the tensile, flexural, and stiffness toughness. However, PALF with a 10 percentage ratio produces the greatest results in impact testing.

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