【摘要】 通过共浓缩法用正硅酸四乙酯(TEOS)、3-巯丙基三乙氧基硅烷(TMMPS)作为硅源,聚醚F127和十六烷基三甲基溴化铵(CTMABr)作为模板剂合成SBA-16,随后将其磺酸基功能化.合成的材料用粉末X射线衍射、氮气吸附脱附和扫描电镜表征.结果表明,n(TEOS):n(TMMPS)为3～8时,合成的材料为介孔材料,当n(TEOS):n(TMMPS)为7时,该功能化的介孔材料对碱性橙染料的吸附能力最佳;通过不同的pH值下的实验表明,在pH为4～5时,该功能化的介孔材料的吸附能力最好.更多还原

【Abstract】 a series of functionalized SBA-16 were synthesized and subsequently oxidized into sulfonic functionalized mesoporous silica mixing tetraethyl orthosilicate(TEOS) and 3-mercaptopropyltriethoxysilane(TMMPS),with triblock copolymers pluronic(F127) and cetyltrimethyl ammonium bromide(CTMABr) served as the mixing template by combination of hydrothermal and co-condensation method.The materials were characterized by X-ray diffraction,nitrogen gas sorption and SEM.The results show that the resulting functional materials belong to mesoporous materials when n(TEOS):n(TMMPS) is 3-8.The removal of Chrysoidine from water reaches the highest by functionalized mesoporous material when n(TEOS):n(TMMPS) is 7.Compared with different pH values,when the pH value ranges from 4-5 the adsorption reaches the highest.更多还原