The Effect of Nano Sized TiO2 Particles on Improving the Stress Resistance and Thermal Stability of Unsaturated Polyester

Rana  J. Mizban; Widad H.  Jassim

doi:10.30526/38.3.3949

Authors

Rana J. Mizban Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq. https://orcid.org/0009-0007-8449-953X
Widad H. Jassim Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq. https://orcid.org/0000-0002-3277-2713

DOI:

https://doi.org/10.30526/38.3.3949

Keywords:

Unsaturated Polyester, Titanium dioxide, Mechanical tests, Thermal conductivity, Thermal stability

Abstract

An unsaturated polyester's (UPE) mechanical and thermal properties were modified by incorporating nanosized titanium dioxide (TiO₂) particles with 1, 2, 3, 4, and 5% weight ratios. 3% of TiO₂ is the best weight percentage that can be added to UPE to improve its impact strength from 8.74 MPa to 8.87 MPa, its hardness value from 82.23% to 86.63%, its tensile strength from 7.698 MPa to 24.76 MPa, and its thermal conductivity from 0.308499 W/m.^oC to 0.566916 W/m^oC. Also, the thermal stability of UPE/3% TiO₂ was improved using thermogravimetric analysis (TGA). XRD measurement was employed to verify the change caused by adding TiO₂ particles to the internal structure of unsaturated polyester. Also, the change in the microstructure of unsaturated polyester after adding TiO₂ nanoparticles was studied using scanning electron microscope analysis, where the TiO₂ nanoparticles showed a good distribution in the matrix, and the TiO₂ had good compatibility in the unsaturated polyester matrix.

Author Biographies

Rana J. Mizban, Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq.

Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq.
Widad H. Jassim , Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq.

Department of Physics, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad, Baghdad, Iraq.

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