膜科学与技术

位置：首页 >> 期刊内容阅读

槲皮素-聚多巴胺共沉积制备复合纳滤膜及其染料脱盐性能

作者：姚铮，金腾，董亮亮，张春芳，白云翔

单位：江南大学合成与生物胶体教育部重点实验室化学与材料工程学院，无锡214122

关键词：槲皮素；聚多巴胺；复合纳滤膜；共沉积；染料脱盐；

DOI号：

分类号： TQ028.8

出版年,卷(期):页码： 2022,42(5):122-128

摘要：

采用液相共沉积法制备了以槲皮素-聚多巴胺（PDA）为分离层的复合纳滤膜，考察了沉积液中多巴胺与槲皮素的质量比对活性分离层表面性质和染料脱盐性能的影响。结果表明，槲皮素和多巴胺共沉积有效抑制了PDA聚集颗粒的形成，赋予膜表面更好的均匀性；同时槲皮素的引入使分离层结构更为疏松，显著提高了复合纳滤膜的透水性能，且染料截留率始终保持在92%以上。当多巴胺与槲皮素的质量比为1:1时，复合纳滤膜的纯水渗透率高达179.5 L·m-2·h-1·bar-1，刚果红截留率为99.6%，刚果红/NaCl选择性则到了58.7，具有优异的染料脱盐性能和长期运行稳定性。

Composite nanofiltration membranes were prepared by liquid phase co-deposition of quercetin and dopamine method. The effect of the dosge ratio of dopamine to quercetin on the surface properties of membrane active separation layer and the desalinization performance of dye were investigated. The results showed that the co-deposition of quercetin effectively inhibited the formation of polydopamine aggregates and endowed the membrane surface with better uniformity. Meanwhile, the introduction of quercetin made the structure of separation layer much looser, and significantly improved the permeability of the composite nanofiltration membranes, and the dye rejection rate was always above 92%. When the dosge ratio of dopamine to quercetin was 1:1, the pure water permeability of the composite nanofiltration membrane was up to 179.5 L·m-2·h-1·bar-1, the interception of the Congo red was 99.6%, and the selectivity of the Congo red /NaCl reached 58.7. The membranes also showed excellent long-term operation stability.

基金项目：

国家自然科学基金面上项目，批准号：22075107

作者简介：

姚铮（1997-），女，江苏常州人，硕士生，主要从事膜材料制备及应用研究，E-mail：18362296930@163.com

参考文献：

[1] Tavangara T, Karimib M, Rezakazemi M, et al. Textile waste, dyes/inorganic salts separation of cerium oxide-loaded loose nanofiltration polyethersulfone membranes[J]. Chemical Engineering Journal, 2020, 385:123787-123800.
[2] Liu S B, Wang Z, Ban M, et al. Chelation–assisted in situ self-assembly route to prepare the loose PAN-based nanocomposite membrane for dye desalination[J]. Journal of Membrane Science, 2018, 566:168-180.
[3] Zhang Q, Fan L, Yang Z, et al. Loose nanofiltration membrane for dye/salt separation through interfacial polymerization with in-situ generated TiO2 nanoparticles[J]. Applied Surface Science, 2017, 410:494-504.
[4] Li Q, Liao Z P, Fang X F, et al. Tannic acid assisted interfacial polymerization based loose thin-film composite NF membrane for dye/salt separation[J]. Desalination, 2020, 479:114343-114352.
[5] Saiz-Poseu J, Faraudo J, Figueras A, et al. Switchable Self-Assembly of a Bioinspired Alkyl Catechol at a Solid/Liquid Interface:Competitive Interfacial, Noncovalent, and Solvent Interactions[J]. Chemistry:A European journal, 2012, 18(10):3056-3063.
[6] Burzio, Luis A, Waite, et al. Cross-linking in adhesive qumoproteins:studies with model decapeptides[J]. Biochemistry, 2000, 39:11147-11153.
[7] Li X L, Zhu L P, Jiang J H, et al. Hydrophilic nanofiltration membranes with self-polymerized and strongly-adhered polydopamine as separating layer[J]. Chinese Journal of Polymer Science, 2012, 30:152–163.
[8] Ball V. Physicochemical perspective on "polydopamine" and "poly(catecholamine)" films for their applications in biomaterial coatings[J]. Biointerphases, 2014, 9(3):30801.
[9] Xi Z Y, Xu Y Y, Zhu L P, et al. A facile method of surface modification for hydrophobic polymer membranes based on the adhesive behavior of poly(DOPA)and poly(dopamine)[J]. Journal of Membrane Science, 2009, 327:244-253．
[10] Wang J, Zhu J Y, Tsehaye M T, et al. High flux electroneutral loose nanofiltration membranes based on rapid deposition of polydopamine/polyethyleneimine[J]. Journal of Materials Chemistry A, 2017, 5:14847-14857.
[11] Fei F, Phuong H A L, Blanford C F, et al. Tailoring the performance of organic solvent nanofiltration membranes with biophenol Coatings[J]. ACS Applied Polymer Materials, 2019, 1(3):452-460.
[12] Yang H C, Wu M B, Li Y J, et al. Effects of polyethyleneimine molecular weight and proportion on the membrane hydrophilization by codepositing with dopamine[J]. Journal of Applied Polymer Science, 2016, 10:43792-43800.
[13] Liu S, Wang Z, Song P. Free radical graft copolymerization strategy to prepare catechin-modified chitosan loose nanofiltration (NF) membrane for dye desalination[J]. ACS Sustainable Chemistry & Engineering, 2018, 6(3):4253-4263.

服务与反馈：

【文章下载】【加入收藏】

《膜科学与技术》编辑部地址：北京市朝阳区北三环东路19号蓝星大厦邮政编码：100029 电话：010-64426130/64433466 传真：010-80485372邮箱：mkxyjs@163.com