Preliminary study on effect of temperature on hydrophobic coating on metal

Kusnan, Nur Izzati (2017) Preliminary study on effect of temperature on hydrophobic coating on metal. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Hydrophobic coating has become an important approach in coating technology because it can prevent the surface from harmful effect of water and moisture in the environment. It inhibits high water repellency compared to other coatings. In this study, aluminum substrate has been used to analyze the effect of temperature on the hydrophobic coating to solve the problem in automotive industry, where aluminum that used as a vehicle frame and body is leads to the corrosion and oxides when it contact with water and direct sun even it was coated using polymer based paint to improve it mechanical strength. Therefore, the objectives of this study are to study the effect of temperature for polymer surface on hydrophobic properties at different temperature and time, to analyze the effect of temperature on surface morphology and surface roughness and to perform correlation of these microstructure properties with hydrophobicity of polymer surface. There are two different experiment were conducted which are heat treatment with varies the temperature and heat treatment with varies the times to analyze the effect of temperature on hydrophobic coating by measuring the contact angle, surface roughness, surface morphology and correlation of these microstructural properties with hydrophobicity of the surface. The measurement of the contact angle was done using MSP-3020 Digital Microscope Software, where the digital microscope is connecting to the computer and the analysis on the surface morphology and surface roughness were done using Alicona Infinite Focus,

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