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The effect of rice husk addictive on physical properties and applicability of Low Density Polyethylene

Musa, Shahrul Ahmizan (2004) The effect of rice husk addictive on physical properties and applicability of Low Density Polyethylene. Universiti Teknologi Petronas. (Unpublished)

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Abstract

In this particular project, a polymer composite called polyethylene-rice husk (RH-LDPE) were produced by using lignocellulosic materials such as rice husk flour as the reinforcing fillers and low density polyethylene as the matrix or polyols. From this material, a particle-reinforced composite will be used to determine testing data for the mechanical properties of the composite as the filler's volume and size are varies. The properties investigated are tensile modulus and impact strength. These properties are investigated according to the standard testing, namely the ASTM (American Society for Testing and Materials) standard.The effect of percentage of rice husk (by weight), and rice husk size on the tensile and impact properties were investigated. For most tests, the properties increased as the weight percentage of rice husk (RH) and sizes were increased. However, after exceeding a threshold value, the properties started to decrease. This phenomenon was attributed to two factors, which is percentage of rice husk (by weight) and percentage of rice husk OH groups. As the weight percentage of rice husk (RH) increased, the absorption and swelling decreased thus making the mechanical properties decreased. the size of rice husk (RH) also played a significant role in the properties, where smaller size rice husk produced composites with higher strength. This is due to greater surface area for interaction between the two materials. The result of the project shows that the possibility of using lignocellulosic materials as reinforcing fillers in the thermoplastic polymer composite is high. By using low density polyethylene (LDPE) as the matrix and rice husk as the reinforcing filler, a better particle-reinforced composites are managed to be produced in order to determine testing data for the physical and mechanical properties of the composite.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Corrosion engineering - Degradation of materials due to temperature, stress and environment
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:08
Last Modified: 25 Jan 2017 09:47
URI: http://utpedia.utp.edu.my/id/eprint/8706

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