插层(化学)
嫁接
表面改性
硅烷
高分子化学
化学工程
层状结构
离子交换
化学
分子
材料科学
有机化学
离子
结晶学
物理化学
聚合物
工程类
作者
Man Park,In-Keun Shim,Euy-Young Jung,Jin‐Ho Choy
标识
DOI:10.1016/j.jpcs.2003.10.031
摘要
The intercalation of poorly water-soluble and bulky itraconazole into surface-modified laponite is demonstrated by conventional ion exchange method to evaluate the effects of external surface modification on intercalation reaction. Grafting of octylsilane groups did not significantly affect on the XRD pattern of laponite. However, octylsilane-treated laponite rapidly intercalates intraconozole without any prehydration process. Successful grafting of octylsilane groups mostly on the external surface was further confirmed by TGA curves and IR spectra. The amount of intercalated itraconozole was not affected by octylsilane grafting. Therefore, it is clear that surface modification of laponite with hydrophobic groups greatly enhances the intercalation of bulky hydrophobic molecules into laponite.
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