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广西师范大学学报(自然科学版) ›› 2014, Vol. 32 ›› Issue (3): 74-78.
周黄歆1,2, 梁振华1,2, 彭桂花1,2, 焦杭州1,2
ZHOU Huang-xin1,2, LIANG Zhen-hua1,2, PENG Gui-hua1,2, JIAO Hang-zhou1,2
摘要: 以正硅酸乙酯为硅源,十六烷基三甲基溴化铵作为表面活性剂,研究反应条件如氢氧化钠浓度、反应温度等对介孔二氧化硅颗粒大小和孔径的影响。实验结果表明,在一定范围内,升高反应温度和增加氢氧化钠浓度均使介孔二氧化硅粒径减小,通过添加一定量的三甲苯可以有效增加介孔二氧化硅的孔径。
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