The Effect Of Interfacial Bonding In The Mechanical Properties Of Degradable Polymer Composites

Fatin Nur Athirah, Dol Malek (2015) The Effect Of Interfacial Bonding In The Mechanical Properties Of Degradable Polymer Composites. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research focus on degradable polymer reinforced biocomposite that have received rapidly attention in term of their industry application. Researcher all around the world have done many research about the degradable polymer reinforced biocomposites because they highly confident that this biocomposites is able to complete with other materials. The materials chose are polylactic acid (PLA) as matrix and pineapple leaf fibre (PLAF) as the reinforcement material to fabricate the biocomposites. Tensile test as per ASTM 03039 was carried out tensile strength and Young's modulus at 36.62 ± 4.99 Mpa plain PLA, 68.13 ± 10.58 Mpa PLAF reinforced PLA and 1.62 GPa plain PLA, 2.80 Gpa PLAF reinforced PLA. Flexural test as per ASTM 0790 carried out flexural strength and flextural modulus at 88.25 ± 10.71 Mpa plain PLA, 40.88 ± 13.21 MPa PLAF reinforced PLA and 1.65 ± 0.55 plain PLA, 2.58 ± 1.41 PLAF reinforced PLA. Impact test as per ASTM 06110 was carried out energy absorption at 0.35 ± 0.04 plain PLA, 0.92 ± 0.12 PALF reinforced PLA. Bonding mechanism present in the PLAF reinforced PLA biocompoistes is well adhered and compatible with the use of alkaline treatment. In other words, addition of fibre improved the interfacial bonding strength which results in harder and stronger composite materials.

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