20120058343 | Preparation Method Of Hydrophobic Hollow Glass Micro Bead And Hydrophobic Hollow Glass Micro Bead Thereof - A preparation method of low cost hydrophobic hollow glass micro bead by means of spray drying includes the steps of adding an atomized mixed solution of boric acid, potassium hydroxide, lithium hydroxide, and calcium hydroxide into a high-speed stirred water glass solution, spray drying the solution, and then treating the surface of the micro bead with an organic silicon water repellent. | 03-08-2012 |