科学研究

SPES-C/MIL-101(Cr)-SO3H杂化膜的制备及渗透汽化乙酸脱水性能研究

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  • 1.郑州轻工业大学材料与化学工程学院,郑州450001;
    2.河南省化工分离过程强化工程技术研究中心,郑州450001
孔华杰(1985-),男,硕士,助理实验师,主要研究方向为功能材料,E-mail:358202265@qq.com。

收稿日期: 2019-10-18

  修回日期: 2020-10-13

  网络出版日期: 2021-01-27

基金资助

国家自然科学基金(21606211和21771166);河南省科技计划基础与前沿技术研究计划(152300410127);郑州轻工业大学博士科研基金项目(2014BSJJ056)

Preparation of SPES-C/MIL-101(Cr)-SO3H hybrid membrane and pervaporation performance for acetic acid dehydration

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  • 1. School of Materials and Chemical Engineering,Zhengzhou University of Light Industry,Zhengzhou 450001;
    2. Henan Engineering Research Center of Chemical Engineering Separation Process Intensification,Zhengzhou 450001

Received date: 2019-10-18

  Revised date: 2020-10-13

  Online published: 2021-01-27

摘要

将磺化金属-有机框架材料MIL-101(Cr)-SO3H成功引入到磺化酚酞侧基聚芳醚砜(SPES-C)中制备了不同填充量的SPES-C/MIL-101(Cr)-SO3H杂化膜并用于渗透汽化乙酸脱水。结果表明:所得杂化膜无明显缺陷。MIL-101(Cr)-SO3H的引入提高了杂化膜的亲水性并增大了杂化膜的自由体积参数。随着MIL-101(Cr)-SO3H填充量的增加,杂化膜的渗透通量不断增大,而分离因子呈先上升后下降的趋势。当MIL-101(Cr)-SO3H填充质量分数小于30%时,渗透通量和分离因子出现反“trade-off”效应。

本文引用格式

孔华杰, 陈哲, 韩光鲁, 吴诗德, 王婕, 谢洋 . SPES-C/MIL-101(Cr)-SO3H杂化膜的制备及渗透汽化乙酸脱水性能研究[J]. 化工新型材料, 2021 , 49(1) : 171 -174 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.01.038

Abstract

The sulfonated metal-organic framework material MIL-101(Cr)-SO3H was successfully introduced into sulfonated polyarylethersulfone with cardo (SPES-C) to prepare SPES-C/MIL-101(Cr)-SO3H hybrid membranes with different loadings and used for pervaporation dehydration of acetic acid.The hybrid membranes had no obvious defects.The introduction of MIL-101(Cr)-SO3H improved the hydrophilicity and the free volume parameter of the hybrid membranes.With the increase of MIL-101(Cr)-SO3H loading,the permeation fluxes of hybrid membranes increased,while the separation factors increased first and then decreased.When MIL-101(Cr)-SO3H loading was less than 30%,the “anti-trade-off” effect appeared between the permeation flux and separation factor.

参考文献

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