Russian Journal of Applied Chemistry

, Volume 89, Issue 9, pp 1536–1543 | Cite as

Photocatalytic degradation of polyhydroxybutyrate films using titanium dioxide nanoparticles as a photocatalyst

  • Zainab Hussain
  • Gamal A. El-Hiti
  • Ahmed Ahmed
  • Nadia Altaee
  • Emad Yousif
Various Technological Processes
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Abstract

Photocatalytic degradation of polyhydroxybutyrate (PHB) polymeric films (30 μm thickness) containing different concentrations of titanium dioxide (TiO2) nanoparticles under ultraviolet (UV) irradiation (λmax = 313 nm) has been studied. The activity of TiO2 (0.001-0.005%) as a photocatalyst was determined by monitoring various functional group indices, weight loss in polymeric films and photodegradation rate constant (kd) with irradiation time. Photodegradation was found to be highly dependent on the TiO2 nanoparticles concentration and the UV irradiation time. The rate of PHB sample photodegradation was highest when the concentration of TiO2 was 0.005% (by weight) and lowest when its concentration was 0.001%.

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • Zainab Hussain
    • 1
  • Gamal A. El-Hiti
    • 2
  • Ahmed Ahmed
    • 3
  • Nadia Altaee
    • 4
  • Emad Yousif
    • 5
  1. 1.Department of Chemistry, College of ScienceMisan UniversityMisanIraq
  2. 2.Cornea Research Chair, Department of Optometry, College of Applied Medical SciencesKing Saud UniversityRiyadhSaudi Arabia
  3. 3.Polymer Research Unit, College of ScienceAl-Mustansiriyah UniversityBagdadIraq
  4. 4.Department of Horticulture and Garden Engineering, College of AgricultureAl-Qasim Green UniversityBabilIraq
  5. 5.Department of Chemistry, College of ScienceAl-Nahrain UniversityBaghdadIraq

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