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发明名称
键合有羧甲基-β-环糊精的二氧化钛光催化剂
摘要
本发明介绍了一种键合有羧甲基-β-环糊精的二氧化钛光催化剂。该光催化剂由溶胶凝胶法制备,以钛酸丁酯为无机前驱体,以乙醇为分散剂,以冰醋酸为缓凝剂,引入羧甲基-β-环糊精,制得溶胶,再经水解聚合形成凝胶,最后经陈化、焙烧即得。以甲基橙为有机底物模型,测试了键合有羧甲基-β-环糊精的二氧化钛和单纯二氧化钛的光催化性能,结果表明前者光催化降解甲基橙15min时,脱色率即达到96.0%;30min后,脱色率已大于99.2%,而此时后者的脱色率仅为47.6%。
申请公布号
CN1698961A
申请公布日期
2005.11.23
申请号
CN200510041898.8
申请日期
2005.04.05
申请人
陕西师范大学
发明人
高子伟;米裕莲;高玲香
分类号
B01J31/38
主分类号
B01J31/38
代理机构
代理人
主权项
1.一种键合有羧甲基-β-环糊精的二氧化钛光催化剂,其特征在于:该光催化剂中含有与二氧化钛直接键合的羧甲基-β-环糊精;该光催化剂的制备方法为溶胶凝胶法,以钛酸丁酯为无机前驱体,以乙醇为分散剂,以冰醋酸为缓凝剂,引入羧甲基-β-环糊精,制得溶胶,再经水解聚合形成凝胶,最后经陈化、焙烧即得。
地址
710062陕西省西安市雁塔区长安南路199
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