Browsing by Author "Mohd Khairol Mohd Bakri"

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    A study of surface morphology and physical properties of polyvinyl alcohol and methyl cellulose (PVA/MC) thin-film
    (Terengganu: Universiti Malaysia Terengganu, 2009) Mohd Khairol Mohd Bakri
    The application of polymer especially polyvinyl alcohol and methyl cellulose (PY A/MC) has generated much interest in various industry. In this research, characterization and properties of (PYA/MC) has been studied by several techniques. For the first method measurements reveal the surface morphology of PY A/MC in a form of powder and thin film. The image of the both PY A/MC surface has been carried out by Scanning Electron Microscope (SEM). Infrared detector was used to demonstrate the structure of PY A/MC. The result showed the bond group of PY A/MC in range between 500 cm-1 to 4000 cm- 1• The EIS was conducted in order to determine the conductivity of the PY A/MC sample. The conductivity of the samole found to be between 1.035 x 10-5 to 9 x 10-6 scm-1 .