文档介绍：2006 年第 64 卷化学学报 Vol. 64, 2006 第 13 期, 1389 ~1392 ACTA CHIMICA SINICA No. 13, 1389 ~ 1392 * E-mail: mamy_9589@ Received March 13, 2006; revised April 26, 2006; accepted June 7, 2006. 湖南省教育厅(No. 05C140) 资助项目. ·研究论文· 胶体模板法制备有序大孔 TiO 2 材料麻明友* ( 湖南吉首大学化学化工学院吉首 416000) 摘要以单分散的聚甲基丙烯酸甲酯(PMMA) 微球为胶体模板, 采用钛酸丁酯、水、乙醇、盐酸等配成的混合溶胶填充在微球间间隙, 经水解形成凝胶, 然后通过程序升温焙烧去掉单分散的 PMMA 微球, 可得有序 TiO 2 大孔材料. 实验结果表明, 溶胶的配比为 V (钛酸丁酯) ∶ V ( 水) ∶ V ( 乙醇) ∶ V ( 盐酸) = 5 ∶ 2 ∶ 3 ∶ 1, 在空气中凝胶 20 h. 去掉单分散的 PMMA 微球的程序升温控制的条件为 1 ℃/min 的升温速率升到 250 ℃恒定 3 h, 再以 2 ℃/min 的升温速率升到 450 ℃恒定 8 h, 最后以 10 ℃/min 的降温速率降到室温. 关键词聚甲基丙烯酸甲酯微球; 二氧化钛; 溶胶-凝胶法; 大孔材料 Synthesis of Ordered Macroporous Titania Using Colloid as Template MA, Ming-You * ( College of Chemistry and Chemical Engineering , Jishou University , Jishou 416000 ) Abstract The ordered macroporous titania were synthesi zed using PMMA sphere colloid crystal as tem- plate and the Sol-Gel method. The PMMA spheres were removed by calcinations. The results showed that the sol of Ti(BuO) 4, water, ethanol and hydrochloric acid was prepared according to volume ratio of V[Ti(BuO) 4 ] ∶ V (H 2 O) ∶ V (EtOH) ∶ V(HCl) is 5 ∶ 2 ∶ 3 ∶1 and the gelled time was 20 h in air. Set the tem- perature program of calcinating PMMA spheres as foll ows: the rate of warming temperature was 1 ℃/min from room temperature to 250 ℃ and 2 ℃/min from 250