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Preparation of Titanium Phosphates with Sodium Triphosphate in Hydrothermal Process and Their Powder Properties for Cosmetics

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Author(s): Hiroaki Onoda | Taisuke Yamaguchi

Journal: Advances in Materials Physics and Chemistry
ISSN 2162-531X

Volume: 03;
Issue: 01;
Start page: 1;
Date: 2013;
Original page

Keywords: Titanium Phosphates | Condensed Phosphate | Hydrothermal Process | Photo Catalytic Activity | Smoothness

ABSTRACT
As a white pigment, titanium oxide is used for cosmetic application. This oxide is well known to have the photo catalytic activity. Therefore, a certain degree of sebum on the skin is decomposed by the ultraviolet radiation in sunlight. In this work, titanium phosphates were prepared with titanium chloride and sodium triphosphate in hydrothermal process as a novel white pigment. Their chemical composition, powder properties, photo catalytic activity, color phase, and smoothness were studied. The obtained phosphates had little photo catalytic activity. The particle size of phosphate pigments consisted a normal distribution at 2 μm by the hydrothermal treatment for 4 and 8 hours. The slipping resistance of samples became small by the hydrothermal treatment.
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