Advances in Materials

Volume 9, Issue 1, March 2020

  • Comparative Evaluation of the Photodegradation of Stearic Acid by TiO2 - Modified Cement Under UV Irradiation Through Water Contact Angle and Absorbance Studies

    Aniedi Nyong, Edet Nsi, Joachim Awaka-Ama, Godwin Udo

    Issue: Volume 9, Issue 1, March 2020
    Pages: 1-7
    Received: Nov. 22, 2019
    Accepted: Dec. 17, 2019
    Published: Mar. 23, 2020
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    Abstract: The photodegradation of stearic acid has been studied through evaluation of changes in the contact angles of water and from absorbance measurements. The photodegradation of 0.02 M stearic acid coatings and solutions were initiated by TiO2 nanoparticles of average size of 9.80 ± 2.92 nm embedded in cements in 1.66 wt.%, 3.33 wt.%, 5.0 wt.% and 6.67 ... Show More
  • Study on the Cure Behavior of a Novel Photocurable Material Using UPLC-Q-TOF-MS

    Chunfu Chen, Dayong Sun, Masao Kanari, Daoqiang Lu

    Issue: Volume 9, Issue 1, March 2020
    Pages: 8-14
    Received: Feb. 24, 2020
    Accepted: Mar. 10, 2020
    Published: Mar. 23, 2020
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    Abstract: An UPLC-Q-TOF-MS method is developed for cure degree measurement and cure behavior analysis on a novel photocurable adhesive material which is composed of specially designed acrylate oligomers, acrylate monomers, photo-initiators and additives such as ultra-violet absorbent, antioxidant stabilizer, optical stabilizer, etc. The photocurable adhesive... Show More