| 介孔SiO2负载SO4^2-／ZrO2固体超强酸催化剂的制备及其酯化催化活性研究 |
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| 引用本文： | 王卫星,曾幸荣,刘安华,龚克成.介孔SiO2负载SO4^2-／ZrO2固体超强酸催化剂的制备及其酯化催化活性研究[J].合成材料老化与应用,2006,35(3):16-20. |
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| 作者姓名： | 王卫星 曾幸荣 刘安华 龚克成 |
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| 作者单位： | 华南理工大学化工与能源学院 广东广州510640(王卫星)，华南理工大学材料学院 广东广州510640(曾幸荣，刘安华，龚克成) |
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| 基金项目： | 华南理工大学自然科学基金资助项目(322E5040320) |
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| 摘 要： | 以稻壳SiO2为原料,非离子表面活性剂TX-100为模板,制备了介孔SiO2(MSU-2)及其负载SO42-/ZrO2固体超强酸催化剂。以乙酸和正丁醇的酯化反应为探针,研究了载体类型、ZrO2的负载量、催化剂用量和反应时间对催化剂性能的影响。结果发现,当SO42-/ZrO2的负载量在10wt%以上时,催化剂具有超强酸性;SO42-/ZrO2负载量为20wt%时,催化剂(SO42-/ZrO2/MS-60)具有最优的催化酯化反应活性。
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| 关 键 词： | 介孔SiO2 稻壳SiO2 非离子表面活性剂 SO42-/ZrO2 乙酸丁酯 |
Preparation of Mesoporous Silica Supported SO_4~(2-)/ZrO_2 Solid Superacid Catalysts and Their Activity on Esterification of Acetic Acid with N-butanol |
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| WANG Wei-xing,ZENG Xing-rong,LIU An-hua,GONG Ke-cheng.Preparation of Mesoporous Silica Supported SO_4~(2-)/ZrO_2 Solid Superacid Catalysts and Their Activity on Esterification of Acetic Acid with N-butanol[J].Synthetic Materials Aging and Application,2006,35(3):16-20. |
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| Authors: | WANG Wei-xing ZENG Xing-rong LIU An-hua GONG Ke-cheng |
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| Affiliation: | WANG Wei-xing~1,ZENG Xing-rong~2,LIU An-hua~2,GONG Ke-cheng~2 |
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| Abstract: | Mesoporous silica and Solid superacid catalysts have been prepared from rice husk silica in the presence of nonionic surfactant as structure director.The effects of supports,the loading of ZrO_2,dosage of catalysts and reaction time on the catalysts' activity for esterification of acetic acid with n-butanol were studied.The results showed that the catalysts have superacidities when the loading of SO~(2-)_4/ZrO_2 on mesoporous silica was more than 10wt%;the best result for the esterification of acetic acid with n-butanol can be obtained when the loading of SO~(2-)_4/ZrO_2 on MS-60 was 20wt%. |
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| Keywords: | mesoporous silica rice husk silica nonionic surfactant SO_4~(2-)/ZrO_2 butylacetate |
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