Mechanical, Degradation and Interfacial Properties of Chitosan Fiber-Reinforced Polypropylene Composites

Ruhul A. Khan Nuclear and Radiation Chemistry Division, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, BangladeshCorrespondence[email protected]

Nusrat Sharmin Nuclear and Radiation Chemistry Division, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh

Bapi Sarker Nuclear and Radiation Chemistry Division, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh

M. A. Khan Nuclear and Radiation Chemistry Division, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh

Suvasree Saha Nuclear and Radiation Chemistry Division, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh

Kajal K. Debnath Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

Kamol Dey Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

Musfiqur Rahman Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

Anjan K. Das Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

Fazlul Kabir Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

Ajoy K. Das Department of Applied Chemistry and Chemical Technology, University of Dhaka, Dhaka, Bangladesh

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Abstract

Polypropylene (PP) matrix natural degradable chitosan fiber reinforced unidirectional composites (5% fiber by weight) were fabricated by compression molding. It was found that tensile strength (TS), tensile modulus (TM), elongation at break (%), bending strength (BS), bending modulus (BM) and impact strength (IS) were found to be 30 MPa, 771 MPa, 11%, 35 MPa, 2360 MPa and 6.5 kJ/m² respectively. Degradation tests of the fibers and composites were performed for 2 weeks and 6 months, respectively in aqueous medium at room temperature (25°C). After six months, the mechanical properties of the composites retained almost 65% of their original properties. The interfacial shear strength (IFSS) of the composites was also measured by single fiber fragmentation test (SFFT). The IFSS of the composite system was found to be 0.44 MPa.

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Mechanical, Degradation and Interfacial Properties of Chitosan Fiber-Reinforced Polypropylene Composites

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Mechanical, Degradation and Interfacial Properties of Chitosan Fiber-Reinforced Polypropylene Composites

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