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Study of mechanical and water absorption properties of bio-composite thin film from waste banana peel


Citation

Chee, Wing Tung (2017) Study of mechanical and water absorption properties of bio-composite thin film from waste banana peel. Undergraduate Final Project Report thesis, Faculty of Earth Science. (Submitted)

Abstract

The purpose of this study was to fabricate bio-composite from waste banana
peel with 0 %, 5 % and 10 % of eggshell filler. Banana peel fibre acts as matrix
while eggshell acts as filler. After boiling dry banana peel, it was blended with
eggshell filler and glycerol which acts as plasticizer. The mixture was poured on
silkscreen and dried in oven. Hand lay-up process was used to laminate the biocomposite
with epoxy. The procedures were repeated by using different ratio of
banana peel and eggshell. The effect of different ratios of waste banana peel and
eggshell filler in bio-composite thin film was determined. The mechanical properties
of the bio-composite were determined by using tensile test and tear resistance test.
The tensile strength and Young’s modulus increased while the percent elongation
decreased as the eggshell filler contents increased. Sample with 10 % of eggshell
filler showed the highest tensile strength. This proved that eggshell was an effective
filler in improving strength of the bio-composite. On the other hand, the tear strength
decreased with the incorporation of eggshell filler. The highest tear strength was
observed for the sample with 0 % of eggshell. The observation for fracture behaviour
of the samples was carried out by using scanning electron microscope. The water
absorption properties of the bio-composite were determined by using water
absorption test. Sample with 10 % of eggshell filler absorbed the highest amount of
water. The percentage of water absorption increased as the filler content increased.

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Additional Metadata

Item Type: Undergraduate Final Project Report
Collection Type: Final Year Project
Date: 2017
Call Number: SEB 2017 008
Supervisor: Dr Mohamad Bashree Abu Bakar
Programme: Bachelor Degree Of Applied Science (Materials Technology)
Institution: Faculty of Earth Science
Faculty/Centre/Office: Faculty of Earth Sciences
URI: http://discol.umk.edu.my/id/eprint/6994
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