摘要
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ＴｉＣｌ_４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２．９３ｕｍ、比表面３５１．０ｍ~２·ｇ^（－１）的含Ｔｉ多孔粘土材料，材料在８６０℃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 2.93um and surface area of 351.0m^2.g^(-1) with the preparation condition of [Ti]=0.82mol.L^(-1), [Ti]/clay=20mmol.g^(-1), and has a good thermal stability to 860℃.
出处
《无机材料学报》
SCIE
EI
CAS
CSCD
北大核心
2000年第4期647-652,共6页
Journal of Inorganic Materials
基金
国家自然科学基金!(59672030)
福建省自然科学基金!(E9810010)
