Characterization of clays and clay minerals in industrial application : substitution non-natural additives by clays in UV protection [[Elektronische Ressource]] / Hoang-Minh Thao

Characterization of Clays and Clay Minerals for Industrial Applications: Substitution non-Natural Additives by Clays in UV Protection Dissertation in fulfilment of the academic grade doctor rerum naturalium (Dr. rer. nat.) at the Faculty of Mathematics and Natural Sciences Ernst-Moritz-Arndt-University Greifswald HOANG-MINH Thao (Hoàng Th ị Minh Th ảo) born on 01.6.1979 in Quang Ninh, Vietnam Greifswald, Germany - 2006 Dekan: Prof. Dr. Klaus Fesser 1. Gutachter: PD. Dr. habil. Jörn Kasbohm 2. Gutachter: Prof. Roland Pusch Tag der Promotion: 17.11.2006 ii CONTENTS vi LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii LIST OF FIGURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi STATEMENT OF ORIGINAL AUTHORSHIP (ERKLÄRUNG). . . . . . . . xii ACKNOWLEDGMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 POSSIBLE FUNCTIONS OF CLAYS, CLAY MINERALS IN 2 2 UV PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.