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Engineering Properties of Kaolinitic Clay with Potencial Use in Drugs and Cosmetics

By M. G. Silva-valenzuela, C. M. Matos, L. A. Shah, F. M. S. Carvalho, I. J. Sayeg and F. R. Valenzuela-diaz


ABSTRACT: The Clays are one of the oldest raw materials available. They are minerals abundant around the world and, currently, when the societies are more interested in environmentally correct products, clays appear as an important alternative, because they are environmentally-friendly materials. In this study, our objective is to describe some properties of one Brazilian kaolin clay for use in drugs and cosmetics. The kaolin sample was characterized by X-ray diffraction, optical microscopy, scanning electron microscopy, swelling capacity and cation-exchange capacity. Our results show that the analyzed kaolin sample has potential for use in cosmetics. I

Year: 2014
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