以离子交换法合成层状多孔二氧化硅  

The Preparation of Layed Porous Silica by Ion Exchange Method

作　　者：王莉玮[1] 王子忱[1] 沙晓祥[1] 赵敬哲[1] 杨桦[1] 赵慕愚[1] 向前 

机构地区：[1]吉林大学化学系 [2]长春工业高等专科学校应用化学系

出　　处：《吉林大学自然科学学报》1999年第1期87-90,共4页Acta Scientiarum Naturalium Universitatis Jilinensis

基　　金：国家自然科学基金;吉林省科技发展规划基金

摘　　要：通过层状硅酸盐晶体的碱金属离子和有机物阳离子进行交换，导致层状硅酸盐的片层结构发生弯曲，形成具有三维结构的孔．合成的ＳｉＯ２比表面大于１０００ｍ２／ｇ，具有层状结构，而且耐热性能好。A layered porous complex was prepared from layed sodium polysilicate (Na 2Si 2O 5) by ion exchange with hexadecyltrimethylammonoium bromide. The silica layers in the complex were bent during the organic intercalation. The bent layers were condensed to form a three dimensional silica network. The effect of the reaction concentration, reaction temperature, reaction time and washing times on the specific surface area were described.

关 键 词：二氧化硅 离子交换法 多孔二氧化硅 催化剂 层状 

分 类 号：O613.720.6[理学—无机化学] O643.36[理学—化学]