| Autor: |
Fuchigami, Tomoko, Toki, Motoyuki, Nakanishi, Kazuki |
| Zdroj: |
Journal of Sol-Gel Science & Technology; Dec2000, Vol. 19 Issue 1-3, p337-341, 5p |
| Abstrakt: |
A macroporous silica glass membrane with continuous cylindrical pores was prepared by a sol-gel process using phase separation. The applicability of the sol-gel derived macroporous silica to the membrane emulsification process was evaluated in comparison with a conventional SPG (Silasu Porous Glass) membrane. Aqueous colloidal silica in one side of the membrane was emulsified through the pores under an applied pressure to a toluene bath containing surfactant. With the sol-gel and SPG membranes with respective median pore diameters of 0.6 and 1.0 μm, emulsions with almost the same droplet size centered around 3 μm were obtained. The permeation rate of the sol-gel derived membrane was about 1.6 times faster than SPG, which reflected higher pore volume of the former one. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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