Synthesis of porous hollow silica spheres using polystyrene-methyl acrylic acid latex template at different temperatures |
| |
Authors: | Chen Ge Min Ren Yumin Liu Tingshun Jiang Longbao Yu |
| |
Affiliation: | Faculty of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China |
| |
Abstract: | Porous hollow silica spheres were prepared by using polystyrene-methyl acrylic acid latex as a template and cetyltrimethylammonium bromide as a wall structure-directing agent starting from tetraethoxysilane. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), FT-infrared spectroscopy (FT-IR) and nitrogen adsorption/desorption were used to characterize the hollow silica spheres. When silica-coated latex composites were prepared at room temperature, hollow silica spheres with micropores in the walls were formed after removing the latex templates by calcination. When silica-coated latex composites were aged at a higher temperature of 150 °C, intact mesoporous hollow silica spheres were formed after calcination treatment. |
| |
Keywords: | A. Microporous materials A. Nanostructures B. Chemical synthesis C. Electron microscopy C. Infrared spectroscopy |
本文献已被 ScienceDirect 等数据库收录! |