含钛多孔粘土材料的合成与表征

无机材料学报, 2000, 15(4): 647-652. doi: 10.3321/j.issn:1000-324X.2000.04.013

含钛多孔粘土材料的合成与表征

戴劲草 ^1, , 萧子敬 ^2, , 叶玲 ^3, , 黄继泰 ^4,

1.华侨大学材料物理化学研究所，泉州 362011

2.华侨大学材料物理化学研究所，泉州 362011

3.华侨大学材料物理化学研究所，泉州 362011

4.华侨大学材料物理化学研究所，泉州 362011

基金项目: 福建省自然科学基金(E9810010) 国家自然科学基金(59672030)

关键词： sol-gel法 , TiO2 , 多孔粘土 , 纳米粘土复合材料

Synthesis and Characterization of Titanium Porous Clay

Keywords： sol-gel , TiO2 , porous clay , clay nanocomposite

采用sol-gel法合成了含Ti多孔粘土材料，并利用XRD、IR、DTA等方法对其实验条件进行初步探讨.结果表明，sol-gel法比TiCl4水解法更容易形成大孔结构，在［Ti］=0.82mol·L-1、［Ti］/±=20mmol·g-1的条件下，可得到层间开孔达2.93nm、比表面351.0m2·g-1的含Ti多孔粘土材料，材料在860C之前具有较好的热稳定性.

Titanium porous clays were synthesized by the reaction of Na-montmorillonite with Ti crosslinking agent prepared by sol-gel method. The preparation conditions of titanium porous clay were also researched by means of XRD, IR and DTA etc. The results show that the product synthesized by sol-gel method is easy to form large pore structure than by TiCl4 hydrolysis method, the resulting titanium porous clay possesses interlayer free spacing of 2.93nm and surface area of 351.0m2-1 with the preparation condition of ［Ti］=0.82mol-1, ［Ti］/clay=20mmol-1, and has a good thermal stability to 860C

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