Synthesis of mesoporous silica by templating of amphiphilic poly (ethylene glycol)-block-poly (propylene glycol)-block-poly(ethylene glycol)

被引:0
作者
Cui, XG [1 ]
Cho, WJ
Ha, CS
机构
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609735, South Korea
[2] Yanbian Univ, Dept Chem Engn, Yangji 133002, Peoples R China
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2000年 / 353卷
关键词
poly (ethylene glycol)-b-poly (propylene glycol)-b- poly (ethylene glycol); templating; mesoporous silica; neutral condition;
D O I
10.1080/10587250008025670
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Mesoporous silicas have been prepared using poly (ethylene glycol)-b-poly (propylene glycol)-b-poly (ethylene glycol) with average molecular weight of 8400 and 5800 as directed structure agent under neutral condition in the presence of methanol. X-ray diffraction experiment indicated that samples are mesoporous silicas with certain ordered structural pore. Thermogracimetric and differential thermal analyses (TGA/DTA) measurement showed two exothermic peaks in the DTA curve, the second peak proved that there is strong interaction between silica framework and organic template.
引用
收藏
页码:309 / 316
页数:8
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