Mesoporous benzene silica functionalized with various amine groups
Mesoporous benzene silica functionalized with various amine groups
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DOI：
10.1016/j.micromeso.2007.03.030
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发表时间：
2008-02
影响因子：
5.2
通讯作者：
D. Coutinho;Chunrong Xiong;K. Balkus
中科院分区：
文献类型：
--
作者：
D. Coutinho;Chunrong Xiong;K. Balkus
以十八烷基三甲基氯化铵为结构导向剂，通过1,4-二（三乙氧基硅基）苯与（3-氨基丙基）三甲氧基硅烷、[3-（2-氨基乙基）丙基]三甲氧基硅烷或n-（3-三乙氧基硅基丙基）4,5-二氢咪唑直接共缩合，合成了含有丙胺、丙二胺和丙基二氢咪唑的功能化介孔苯硅（MBS）杂化物。在官能团负载为10mol%的情况下，制备了有序的功能化介孔MBS。更高的官能团负载产生更大的介孔和嵌入孔壁的胺。透射电镜结果表明，可以观察到单个MBS单孔结构。
Functionalized mesoporous benzene silica (MBS) hybrids containing propylamine, propylethylenediamine, and propyldihydroimidazole were synthesized by the direct co-condensation of 1,4-bis(triethoxysilyl)benzene with (3-aminopropyl)trimethoxysilane, [3-(2-aminoethylamino)propyl]trimethoxysilane, or n-(3-triethoxysilylpropyl)4,5-dihydroimidazole using octadecyltrimethylammonium chloride as the structure directing agent. Well-ordered functionalized mesoporous MBS was produced with functional group loading of 10mol%. Higher functional group loadings yielded larger mesopores and amines embedded in the pore walls. TEM results suggest individual MBS single pore structures may be observed.