20100119432 | Method for Preparing Hydrophobic Aerogel and Hydrophobic Aerogel Prepared Therefrom - A method for preparing a silica aerogel in the form of permanently hydrophobic powder in a short time, wherein the silica aerogel has a high specific surface area and high functionality, and is prepared by subjecting a wet gel to a solvent exchange process and a silylizing process in a mixture solvent including a silylizing agent at the same time, the wet gel being prepared using a water glass as a raw material and adding a surfactant at a room temperature. | 05-13-2010 |