| 用两性与非离子混合表面活性剂合成ZrO2介孔材料 |
| Synthesis of Mesoporous Zirconia with Mixed Amphoteric-nonionic Surfactants as Templates |
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| 摘要: 以两性表面活性剂CAPB（椰油酰胺丙基甜菜碱）与非离子型表面活性剂（嵌段聚合物P123）复配的混合表面活性剂作为结构导向剂，以ZrOCl2·8H2O为锆源，运用水热合成法合成了ZrO2介孔材料。利用透射电镜(TEM)、N2等温吸附、X射线衍射分析（XRD）等方法，研究了反应温度、Zr/表面活性剂的物质的量之比对合成产物结构及性能的影响。结果表明：反应温度为40 ℃，Zr/CAPB 物质的量比为1.0时，可获得六方结构Z |
| 关键词: 氧化锆 介孔材料 混合表面活性剂 |
| 基金项目: |
| Abstract: Using the mixture of amphoteric surfantant cocamidopropyl betaine(CAPB) and nonionic surfantant triblock copolymer Pluronic P123 as templates, and zirconyl chloride octahydrate (ZrOCl2·8H2O) as zirconium resource, ordered mesoporous zirconia with hexagonal structure was synthesized by hydrothermal process. The influences of reaction temperature and molar ratio of Zr/surfactants on the structures and properties of mesoporous zirconia were studied by adsorption-desorption isotherms of N2, transmission electron micrographs (TEM) and X-ray diffraction (XRD).Evidence showed that ordered and hexagonal mesoporous zirconia was synthesized when the molar ratio of Zr/CAPB was 1.0 and the reaction temperature was 40 ℃. When the molar ratio of Zr/P123 was optimal, the pore size, pore volume and surface area of the mesoporous zirconia were increased while a well ordered structure of pore array was maintained. |
| Keywords: ZrO2 mesoporous material mixed surfactants |
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| 朱海涛,刘世权,尹衍升.用两性与非离子混合表面活性剂合成ZrO2介孔材料[J].无机化学学报,2004,20(11):1284-1288. |
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