Progresses in the Preparation and Functionization of Hollow Glass Microspheres as High-performance Fillers with Low Density

The preparation methods and properties of a type of high-performance fillers with low density-hollow glass microspheres are reviewed.Several fabrication processes of hollow glass microspheres are summarized and analyzed.The chemical and physical routes for hollow glass microspheres functionization are also reviewed.The research progresses of functionized core/shell composite microspheres with hollow glass microspheres as the cores are presented,and the possible fields for further study of hollow glass microsphere based composite materials are proposed.