Fabricating hydrophobic nanoparticles within mesoporous channel of silica for efficient TSNA removal

Fabricating hydrophobic nanoparticles within mesoporous channel of silica for efficient TSNA removal
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在二氧化硅介孔通道内制造疏水性纳米颗粒以有效去除 TSNA

DOI:
10.1016/j.micromeso.2016.09.031
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发表时间:
2017
影响因子:
5.2
通讯作者:
Zhu Jian Hua
Zhu Jian Hua
中科院分区:
材料科学2区
文献类型:
--
作者:
Li Shuo Hao;Sun Xiao Dan;Wang Lei-jun;Gu Wen-bo;Wang Wei-miao;Yang Zheng Yu;Wang Ying;Zhu Jian Hua

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以甲基三甲氧基硅烷(MTMS)和二甲基二甲氧基硅烷(DMDMS)为原料合成超疏水介孔干凝胶(SG),在SBA-15介孔孔道内制备硅质疏水纳米粒子,以提高其对烟草特有亚硝胺(TSNA)的吸附效率。通过调节前体溶液的浓度来掌握疏水颗粒的分布和所得复合材料的平均疏水性,使SBA-15对TSNA的液体吸附能力提高了150%。
Based on the synthesis ofsuper hydrophobic silicic xerogel (SG) from methyltrimethoxysilane (MTMS) and dimethyldimethoxysilane (DMDMS), siliceous hydrophobic nanoparticles were fabricated within the mesoporous channels of SBA-15, in order to enhance the efficiency of adsorbing tobacco specificN-nitrosamines (TSNA) in aqueous solution. The concentration of precursor solution was adjusted to master the distribution of hydrophobic particles and the mean hydrophobicity of resulting composite, 150% increasing the capacity of SBA-15 in liquid adsorption of TSNA.
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