Comparative Effect of Hydrophilic and Lipophilic Nanosized Titanium Dioxide on the Properties of Coated Paper

Abstract:

In this paper, the effect of the charge of hydrophilic and lipophilic nanosized TiO₂ on the optical properties and printability of coated paper was investigated. The parameters including brightness, opacity, surface strength and sizing degree were used to evaluate the optical properties and printability of coated paper. The effects of hydrophilic and lipophilic TiO₂ on the properties of coated paper were discussed. It was shown that the optical properties and printability of coated paper increase persistently with the change of nanosized TiO₂ charged from 5% to 15%. Once the charge of nanosized TiO₂ was over 15%, the main properties of coated paper took on a downward tendency. The properties of coated paper were related to the surface properties of nanosized TiO₂ samples. It was found that the lipophilicity of nanosized TiO₂ sample played a more important role in the improvement of the coated paper properties, which was believed to be based on the fact that lipophilic nanosized TiO₂ could be well compatible with the binders used in the paper coating.

• Periodical: Advanced Materials Research (Volume 441)
• Pages: 750-753
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.441.750
• Online since: January 2012
• Authors: Yan Jun Tang, Man Chen, You Ming Li, Yu Zhao, Xiu Mei Zhang
• Keywords: Coated Paper, Hydrophilic, Lipophilic, Nanosized Titanium Dioxide (TiO₂), Paper Coating

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