Title: Thermal Properties and Non-Isothermal Crystallization Kinetics of Poly (δ-Valerolactone) and Poly (δ-Valerolactone)/Titanium Dioxide Nanocomposites.
Authors: Saeed, Waseem Sharaf; Al-Odayni, Abdel-Basit; Alghamdi, Abdulaziz Ali; Alrahlah, Ali; Aouak, Taieb
Abstract: New poly (δ-valerolactone)/titanium dioxide (PDVL/TiO2) nanocomposites with different TiO2 nanoparticle loadings were prepared by the solvent-casting method and characterized by Fourier transform infra-red, differential scanning calorimetry, X-ray diffraction and scanning electron microscopy, and thermogravimetry analyses. The results obtained reveal good dispersion of TiO2 nanoparticles in the polymer matrix and non-formation of new crystalline structures indicating the stability of the crystallinity of TiO2 in the composite. A significant increase in the degree of crystallinity was observed with increasing TiO2 content. The non-isothermal crystallization kinetics of the PDVL/TiO2 system indicate that the crystallization process involves the simultaneous occurrence of two- and three-dimensional spherulitic growths. The thermal degradation analysis of this nanocomposite reveals a significant improvement in the thermal stability with increasing TiO2 loading.
Subjects: CRYSTALLIZATION; TITANIUM oxides
Publication: Crystals (2073-4352), 2018, Vol 8, Issue 12, p452
ISSN: 2073-4352
Publication type: Academic Journal
DOI: 10.3390/cryst8120452

Thermal Properties and Non-Isothermal Crystallization Kinetics of Poly (δ-Valerolactone) and Poly (δ-Valerolactone)/Titanium Dioxide Nanocomposites.

Saeed, Waseem Sharaf; Al-Odayni, Abdel-Basit; Alghamdi, Abdulaziz Ali; Alrahlah, Ali; Aouak, Taieb