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http://dx.doi.org/10.17702/jai.2012.13.4.151

Syntheses of Mesoporous Silica Hollow Spheres Using Polystyrene Template  

Chu, Sang-Wook (Department of Polymer Science and Engineering, Pusan National University)
Sung, A-Reum (Department of Polymer Science and Engineering, Pusan National University)
Park, Sung Soo (Department of Polymer Science and Engineering, Pusan National University)
Ha, Chang-Sik (Department of Polymer Science and Engineering, Pusan National University)
Publication Information
Journal of Adhesion and Interface / v.13, no.4, 2012 , pp. 151-155 More about this Journal
Abstract
In the present study, we synthesized mesoporous silica hollow spheres with different wall thickness using polystyrene (PS) spheres as a structure template, tetraethoxysilane (TEOS) as a silica source, cetyltrimethylammonium bromide (CTAB) as a template. Particle size and dispersion of PS spheres were strongly depended on the concentration of surfactant in the aqueous solutions. The size of PS spheres was increased with decreasing concentration of surfactants. Dispersion of PS particle was improved when the surfactant concentration was lower than 0.5 g of surfactant.
Keywords
polystyrene; mesoporous silica; hollow sphere; template;
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