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新型混合基质海藻酸钠-富勒醇膜：制备、表征及异丙醇渗透汽化脱水研究

Novel Mixed Matrix Sodium Alginate-Fullerenol Membranes: Development, Characterization, and Study in Pervaporation Dehydration of Isopropanol.

作者信息

Dmitrenko Mariia, Liamin Vladislav, Kuzminova Anna, Mazur Anton, Lahderanta Erkki, Ermakov Sergey, Penkova Anastasia

机构信息

St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia.

Laboratory of Physics, Lappeenranta University of Technology, Box 20, 53851 Lappeenranta, Finland.

出版信息

Polymers (Basel). 2020 Apr 9;12(4):864. doi: 10.3390/polym12040864.

DOI:10.3390/polym12040864
PMID:32283648
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7240529/
Abstract

Novel mixed matrix dense and supported membranes based on biopolymer sodium alginate (SA) modified by fullerenol were developed. Two kinds of SA-fullerenol membranes were investigated: untreated and cross-linked by immersing the dry membranes in 1.25 wt % calcium chloride (CaCl) in water for 10 min. The structural and physicochemical characteristics features of the SA-fullerenol composite were investigated by Fourier-transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopic methods, scanning electron (SEM) and atomic force (AFM) microscopies, thermogravimetric analysis (TGA), and swelling experiments. Transport properties were evaluated in pervaporation dehydration of isopropanol in a wide concentration range. It was found that the developed supported cross-linked SA-5/PAN membrane (modified by 5 wt % fullerenol) possessed the best transport properties (the highest permeation fluxes 0.64-2.9 kg/(m h) and separation factors 26-73,326) for the pervaporation separation of the water-isopropanol mixture in the wide concentration range (12-90 wt % water) at 22 °C and is suitable for the promising application in industry.

摘要

基于经富勒醇改性的生物聚合物海藻酸钠（SA），开发了新型混合基质致密膜和支撑膜。研究了两种SA-富勒醇膜：未处理的膜以及通过将干膜浸入1.25 wt%氯化钙（CaCl）水溶液中10分钟进行交联处理的膜。采用傅里叶变换红外（FTIR）和核磁共振（NMR）光谱法、扫描电子显微镜（SEM）和原子力显微镜（AFM）、热重分析（TGA）以及溶胀实验，对SA-富勒醇复合材料的结构和物理化学特性进行了研究。在宽浓度范围内对异丙醇进行渗透汽化脱水，评估其传输性能。结果发现，所开发的支撑交联SA-5/PAN膜（由5 wt%富勒醇改性）在22℃下对宽浓度范围（12 - 90 wt%水）的水-异丙醇混合物进行渗透汽化分离时，具有最佳的传输性能（最高渗透通量为0.64 - 2.9 kg/(m² h)，分离因子为26 - 73326），适用于工业领域的应用前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/e5806299a046/polymers-12-00864-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/11ed1f17fb93/polymers-12-00864-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/8ba3fbfae9a4/polymers-12-00864-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/775326c52d57/polymers-12-00864-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/fec7fc884503/polymers-12-00864-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/1fc6f0dcdcd9/polymers-12-00864-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/8e2b1876c1f1/polymers-12-00864-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/f4ec597cd9e4/polymers-12-00864-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/9e4939b14923/polymers-12-00864-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/7d4ca37e3649/polymers-12-00864-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/529ee1f0ac5a/polymers-12-00864-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/e5806299a046/polymers-12-00864-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/11ed1f17fb93/polymers-12-00864-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/8ba3fbfae9a4/polymers-12-00864-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/775326c52d57/polymers-12-00864-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/fec7fc884503/polymers-12-00864-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/1fc6f0dcdcd9/polymers-12-00864-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/8e2b1876c1f1/polymers-12-00864-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/f4ec597cd9e4/polymers-12-00864-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/9e4939b14923/polymers-12-00864-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/7d4ca37e3649/polymers-12-00864-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/529ee1f0ac5a/polymers-12-00864-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/228d/7240529/e5806299a046/polymers-12-00864-g011.jpg

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