【摘 要】
：
以廉价的硅溶胶和三氯化钛分别作为硅源和钛源,四丙基溴化铵(TPABr)为模板剂,二乙胺、正丁胺、氨水等作为碱源,在无机体系中合成了TS-1分子筛.采用XRD,IR,UV-vis,SEM,元素分
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以廉价的硅溶胶和三氯化钛分别作为硅源和钛源,四丙基溴化铵(TPABr)为模板剂,二乙胺、正丁胺、氨水等作为碱源,在无机体系中合成了TS-1分子筛.采用XRD,IR,UV-vis,SEM,元素分析和N2吸附/脱附等对合成的分子筛进行了表征.详细考察了碱源、硅钛比、N2保护、晶种、模板剂用量、硅源及晶化时间等因素对分子筛合成的影响.结果表明,以无机原料合成的TS-1与用传统有机原料合成的TS-1具有同样的特征.碱度的控制是合成的关键,配胶时需N2保护,加入晶种对合成有明显的导向作用,模板剂最低用量有一临界值,硅溶胶作硅源合成的TS-1晶粒比较大.
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