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Novel amorphous silica with extremely large mesopores were prepared using the gel skeletal reinforcement method with hexamethyldisiloxane (HMDS) and acetic anhydride (AA) system as reinforcing reagents. Pore volume and pore diameter increased with increasing the amounts of HMDS added. When three times higher moles of HMDS than that of silica source TEOS were used, pore volume and pore diameter of...
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