Indexed In Scopus
  Scopus ID: 21100926589

Effect of Titanium Dioxide Nanoparticles (TiO2 NPs) on Rheological Characteristics Behavior of Poly Vinyl Acetate (PVAc)

Akram Jassim Jawad, Ahmed Ehsan Jassim and Nizar Jawad Hadi
 

Abstract

Rheological properties investigation of polymer solution with inorganic nanoparticles aqueous mixtures were studied. In the present work, Polyvinyl Acetate (PVAc) was used in a form aqueous solution, while titanium dioxide nanoparticles (TiO2) was used as an inorganic additive. PVAc was loaded with 0, 0.5, 1, 2, 3, and 4 weight percent (wt. %) of TiO2 nanoparticles, where the maximum concentration of TiO2 was 4 wt. % that gives the enough information about the behaviour. Cone on plate Rheometer was applied to measure rheological characteristics of PVAc/TiO2 mixture flow at different shear rates, while Tensometer, pH meter, and Densitometer were used to peer understanding of flow mechanisms. The results were shown a significant change in shear stress shear rate behavior with the TiO2 ratio increasing, especially at 2-3 wt. %. The shear stress decreasing with the shear rate increases. The viscosity tends to decrease with the high shear rate values about 1.14-1.3 s-1 in low concentration of TiO2 nanoparticles about 0.5 wt. %. The pH and surface tension values show an interesting decreasing overall range of PVAc/TiO2 nanoparticles. These results have an important effect on processing and capability production in polymer composites technology, as well as energy conception in polymer and composite technology of PVAc/TiO2 nanoparticles composite.

Published on: November 18, 2020
doi: 10.17756/nwj.2020-080
Citation: Jawad AJ. 2020. Effect of Titanium Dioxide Nanoparticles (TiO2 NPs) on Rheological Characteristics Behavior of Poly Vinyl Acetate (PVAc). NanoWorld J 6(3): 61-65.

 

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