Synthesis and Characterization of the Epoxy/MgO Nanocomposites ThinFilms for Anti-UV Coatings

Asmaa  A. Abdul Razaq; Zainab Kadhom Hamzh

doi:10.24237/

Authors

Asmaa A. Abdul Razaq Al-Mustansiriya University - College of Science - Department of Physics https://orcid.org/0000-0002-6172-7794
Zainab Kadhom Hamzh Al-Mustansiriya University - College of Science - Department of Physics https://orcid.org/0000-0002-5423-0755

DOI:

https://doi.org/10.24237/

Keywords:

Epoxy/MgO, anti-uv coating, spin coating

Abstract

The Epoxy/MgO nanocomposite thin films were prepared successfully by the spin coating technique. The Epoxy/MgO nanocomposite thin films are doped with different MgO nanoparticle weight ratios (0, 2, 4, and 6% wt). The morphological, functional groups, and optical properties of samples were studied. The FE-SEM images show the homogeneous and smooth surface of the pure sample and the appearance of clusters after being doped with MgO nanoparticles. The FT-IR tests showed functional groups of MgO within the epoxy nanocomposite, which are increasing in intensity with the increase in doping, as for the optical measurements, which include absorbance, transmittance, absorption coefficient, and optical energy gap measurements, they showed that the samples have high absorbance for ultraviolet rays, and this absorbency increases with the increase in the MgO nanoparticle doping while maintaining their absorption for visible wavelengths, absorption coefficient calculations showed high value of ultraviolet rays and its increase with an increase in the MgO doping , while did not notice a clear effect on the optical energy gap with an increase in the MgO doping. This makes the Epoxy/MgO nanocomposite thin films candidates for use in transparent coatings for anti-UV rays.

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