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氨基功能化MCM-48介孔材料的制备及选择性吸附卷烟主流烟气中氰化氢的性能

Chemistry World(2014)

Cited 23|Views21
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Abstract
以纯硅MCM-48为原料合成了表面氨基功能化的MCM-48材料,进行了X射线衍射(XRD)、氮气吸附、SEM扫描电镜和FT IR红外光谱等表征.FT IR和元素分析的结果表明,3-氨基丙基三乙氧基硅烷通过与纯硅MCM-48表面的Si-OH基团反应,使氨基嫁接在纯硅Si-MCM-48表面.XRD和N2吸附说明纯硅MCM-48在嫁接氨基后仍保持Ia3d立体结构,但与纯硅MCM-48相比,氨基功能化的MCM-48的比表面积、孔容和孔径均有所下降.将氨基功能化的MCM-48作为吸附剂加入卷烟的过滤嘴,对于主流烟气中氰化氢(HCN)具有很好的选择性吸附功能.
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Key words
hydrogen cyanide,selective adsorption,amino-functionalized
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