中性条件下两亲二嵌段共聚物模板法合成介孔二氧化硅

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI:10.1080/10587250108024701

Xiuguo Cui, Gohyup Yoo, W. Cho, C. Ha

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引用次数: 0

摘要

摘要采用模板法在中性水溶液中合成了一种线性二嵌段共聚物聚乙二醇-丙二醇。Barrett-Joyner-Halenda(BJH)法吸附N2表现为单分散的孔径分布。高分辨率扫描电镜显示，孔隙大小在20 ~ 80nm之间。结果通过三嵌段共聚物聚乙二醇-乙丙二醇-乙乙二醇与模板进行了比较。

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Synthesis of Mesoporous Silica by Templating of Amphiphilic Diblock Copolymer Under Neutral Condition

Abstract Mesoporous silicas have been synthesized by templating of a linear diblock copolymer, poly(ethylene glycol-b-propylene glycol) in the neutral aqueous solution. The N2 adsorption behavior with the Barrett-Joyner-Halenda(BJH) method showed monodisperse pore size distribution. The high-resolution scanning electron micrograph showed that the pore size ranges 20 to 80nm. The results were compared to those templates by a triblock copolymer, poly(ethylene glycol-b-propylene glycol-b-ethylene glycol).

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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals

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