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材料导报  2022, Vol. 36 Issue (17): 21030316-6    https://doi.org/10.11896/cldb.21030316
  高分子与聚合物基复合材料 |
F-ZIF-90/PDMS混合基质膜的制备及强化乙醇传递过程的研究
盛奥, 姜昊基, 赵亚欣, 魏忠*, 李昊, 贾昊, 王贺云*
石河子大学化学化工学院,新疆兵团化工绿色重点实验室,新疆 石河子 832003
Preparation of F-ZIF-90/PDMS Mixed Matrix Membrane and Study on Enhancing Ethanol Transfer Process
SHENG Ao, JIANG Haoji, ZHAO Yaxin, WEI Zhong*, LI Hao, JIA Hao, WANG Heyun*
Xinjiang Bingtuan Chemical Green Key Laboratory, College of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, Xinjiang, China
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摘要 本工作以五氟苯胺与咪唑-2-甲醛(ICA)为反应单体通过醛胺缩合反应制备了氟配体F-ICA,调节F-ICA与Zn2+的物质的量比,通过水热合成反应成功制备了不同粒径的F-ZIF-90粒子,采用物理共混的方法制备F-ZIF-90/PDMS混合基质膜并研究其乙醇分离性能。实验结果表明,掺杂F-ZIF-90粒子增强了混合基质膜的疏水性,降低了乙醇的渗透能垒,强化了乙醇分子的溶解选择性和扩散选择性。当混合基质膜中粒径为300～500 nm的F-ZIF-90纳米粒子填充量为20%(质量分数,下同)时,混合基质膜可获得最佳分离性能(40 ℃,5%乙醇/水溶液),渗透通量为291 g/(m2·h),分离因子为16.2。
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盛奥
姜昊基
赵亚欣
魏忠
李昊
贾昊
王贺云
关键词:  渗透蒸发  混合基质膜  F-ZIF-90纳米粒子  溶解选择性  超疏水性    
Abstract: In this work, the F-ICA was prepared by the condensation reaction of pentafluoroaniline and imidazole-2-carbaldehyde (ICA). F-ZIF-90 particles with different particle sizes were prepared by adjusting the molar ratio of F-ICA to Zn2+. And F-ZIF-90 particles were filled into PDMS to prepare mixed matrix membranes (MMMs) to separate ethanol by pervaporation. The experimental results show that F-ZIF-90 particles can effectively improve the hydrophobicity of the MMMs surface and reduce the diffusion energy barrier of ethanol, which strengthens the dissolution selectivity and the diffusion selectivity of ethanol molecules. The best pervaporation performance of F-ZIF-90/PDMS MMMs (40 ℃, 5% ethanol/water) is achieved with the permeation flux of 291 g/(m2·h) and the separation factor of 16.2 at 20wt% F-ZIF-90 loading with a diameter of 300—500 nm.
Key words:  pervaporation    mixed matrix membrane    F-ZIF-90 nanoparticles    dissolution selectivity    super hydrophobic
出版日期:  2022-09-10      发布日期:  2022-09-10
ZTFLH:  TQ028.3  
基金资助: 国家自然科学基金(21464012);兵团杰出青年基金(2014CD001);教育部长江学者和创新团队发展计划(IRT_15R46);石河子大学双一流学科项目(SHYL-YB201806);石河子大学创新发展项目 (CXFZ201909)
通讯作者:  *steven_weiz@sina.com;whyun@shzu.edu.cn   
作者简介:  盛奥,2017年于哈尔滨工程大学材料科学与工程专业获取工学学士学位,2022年于石河子大学化学化工学院化学工程与技术专业获取工学硕士学位,主要研究方向为复合膜分离方向。
魏忠,2007年毕业于南开大学,获得理学博士学位,现任石河子大学教授,博士研究生导师,国务院政府特殊津贴专家,兵团英才、兵团杰青,兵团青年科技奖获得者,现任化学化工学院院长,新疆兵团化工绿色过程重点实验室(省部共建国家重点实验室培育基地)副主任。担任中国化工学会第40届理事,教育部高等学校教学指导委员会化学类专业教学指导委员会委员,国家级教学团队“基础化学系列课程教学团队”负责人。主要围绕氯乙烯聚合加工改性和高性能聚合物设计合成开展研究,作为负责人和主要参与者已完成国家级项目3项,目前负责和参与3项包括国家自然科学基金等国家和省部级重大科技项目。以第一或通讯作者在国内外刊物上发表SCI收录论文30余篇,公开发明专利5项,授权发明专利2项,出版教材2部,获得中国石油和化工教育科学研究成果奖二等奖1项,兵团科技进步一等奖1项(第一),二等奖1项。
王贺云,2012年毕业于天津大学,获得工学博士学位,现任石河子大学副教授,硕士研究生导师,化学化工学院材料系教师。先后在Separation and Purification Technology,Applied Surface Science,RSC Advances和Materials Science and Technology等SCI杂志上发表文章20篇。
引用本文:    
盛奥, 姜昊基, 赵亚欣, 魏忠, 李昊, 贾昊, 王贺云. F-ZIF-90/PDMS混合基质膜的制备及强化乙醇传递过程的研究[J]. 材料导报, 2022, 36(17): 21030316-6.
SHENG Ao, JIANG Haoji, ZHAO Yaxin, WEI Zhong, LI Hao, JIA Hao, WANG Heyun. Preparation of F-ZIF-90/PDMS Mixed Matrix Membrane and Study on Enhancing Ethanol Transfer Process. Materials Reports, 2022, 36(17): 21030316-6.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.21030316  或          http://www.mater-rep.com/CN/Y2022/V36/I17/21030316
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