Impact test analysis on pure and recycled HDPE materials

Ngah Deman, Enda Nur Malia (2018) Impact test analysis on pure and recycled HDPE materials. Masters thesis, Universiti Teknikal Malaysia Melaka.

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Abstract

Nowadays High Density Polyethylene (HOPE) plastic have been widely used in many industries. Lower cost of the raw material and increased in environmental awareness are defined as the key factor in the use of HOPE plastic in the industries. Characteristic of HDPE plastic them self, such as lightweight, strong, tough, easy to find the supplies of HOPE plastic and easy to mold making it more preferable rather than metal. Although this material has its advantages, but it also has its drawbacks to considered. Time consuming in decaying the HDPE plastic waste will greatly affect the environment and nonetheless to the manufactures as it will also incur additional cost in managing to dispose of the plastic and cause the manufacturer profit affected. Hence, the recycling process is one of the ways to overcome this problem. Mixing the recycled HOPE and pure HDPE with a certain percentage of both material is one of method that mostly widely used methods. In this study, pure HDPE and recycled HOPE were undergoing the mixing process based on the required percentages that has been determined. The specimens were produced using the hot press machine and the specimen were also tested by the Izod impact test to obtain an optimum percentage. There are three main samples of mixing material in different percentage and each sample has three specimens that has been tested using the Izod impact test. This experiment was conducted based on ASTM 0 256. The parameter involved in this study are temperature and time. The result showed that the optimization for impact test on pure HDPE was 0.139 ftib/in2 using the 197.23°C for temperature and 6.41 minute for time, while the yield for recycled HDPE was 0.654 ftib/in2 using 197.25 °(for temperature and 12.61 minute for time, followed by mixture of pure HOPE and recycled HOPE was 0.167 fib/in2 using the 193.23°C for temperature and 6.21 minute for time. The output show that the flexural properties are enhanced by increased with the recycled HOPE material. However, the impact strength of the composites decreased as the 100% of recycled HDPE are increased. SEM micrographs revealed good interfacial bonding between pure HDPE and recycled HDPE matrix.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Plastics, Polymers
Subjects:	T Technology > T Technology (General) T Technology > TP Chemical technology
Divisions:	Library > Tesis > FKP
Depositing User:	Mohd. Nazir Taib
Date Deposited:	22 Jan 2020 11:19
Last Modified:	07 Nov 2022 10:59
URI:	http://eprints.utem.edu.my/id/eprint/23958
Statistic Details:	View Download Statistic

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