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SBA-15 介孔分子筛，具有规则的孔径分布，大的孔径和较厚的孔壁可以作为载体材料和催化材料。 但是SBA-15表面呈惰性且无活性中心,经改性后使其表面含有有机官能团，能对介孔氧化硅的界面性质包括亲水性、疏水性、客体分子的连接性以及化学反应性等进行调控,赋予其新的功能。 本论文首先将β-环糊精与丙烯酰氯结合得到丙烯酰化环糊精，其次将SBA-15上接入巯基得到SH-SBA-15，最后将两者产物结合得本论文最终所需产品，并对产物进行红外表征。 SBA-15；介孔分子筛；环糊精；合成 |
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SBA-15 mesoporous molecular sieves are of regularly distributed pore sizes. Those with large pore sizes and thicker pore walls can be used as carrier materials and catalytic materials. However, SBA-15 surface is inert with an inactive center. After modifications, SBA-15 surface contains organic functional groups and acquires some new features, including regulation of the properties of mesoporous silica, such as hydrophilicity, hydrophobicity, as well as the connectivity and chemical reactions of guest molecules. In this paper, acryloyl cyclodextrin was synthesized with β- cyclodextrin and propylene chloride; SH-SBA-15 was obtained by thiolation of SBA-15 with sulfhydry. Finally, the desired product was obtained by combination of these two products. The final product was characterized with infrared spectroscopy. Keywords: SBA-15; mesoporous molecular sieve; cyclodextrin; synthesis |
22162542392楼2015-05-24 02:35:26
3楼2015-05-25 16:39:39