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Author:

Guo, Yao-Shen (Guo, Yao-Shen.) | Weng, Xiao-Dan (Weng, Xiao-Dan.) | Wu, Bin (Wu, Bin.) | Mi, Yi-Fang (Mi, Yi-Fang.) | Zhu, Bao-Ku (Zhu, Bao-Ku.) | Ji, Yan-Li (Ji, Yan-Li.) | An, Quan-Fu (An, Quan-Fu.) (Scholars:安全福) | Gao, Cong-Jie (Gao, Cong-Jie.)

Indexed by:

EI Scopus SCIE

Abstract:

Surface-initiated atom transfer radical polymerization (SI-ATRP) can precisely control the graft length and graft density of polymers. In this work, nonfouling nanofiltration membrane with tunable zwitterionic layer was fabricated by grafting sulfobetaine methacrylate (SBMA) on the surface of 2-bromoisobutyryl bromide (BIBB)-immobilized polyamide membranes (PA-Brs) via SI-ATRP. Zwitterionic layer with different graft length and graft density can be adjusted by varying the BIBB concentration or ATRP time, which can thus tune water flux and antifouling property of the membranes. When BIBB concentration is 1.00 wt% and ATRP time is 0.2 h, the optimal flux is 63.9 Lm(-2) h(-1). In addition, the amount of foulant adsorbed on membrane is less than 20 mu g cm(-2). Flux decline ratio is about 5% and flux recovery ratio is more than 98% when humic acid is used for dynamic test, suggesting a nonfouling performance of zwitterionic membrane with SBMA graft content above 26 mol%.

Keyword:

polymerization Nonfouling Graft density Tunable zwitterionic layer Surface-initiated atom transfer radical Graft length

Author Community:

  • [ 1 ] [Wu, Bin]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [An, Quan-Fu]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Guo, Yao-Shen]Zhejiang Univ, Dept Polymer Sci & Engn, Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
  • [ 4 ] [Weng, Xiao-Dan]Zhejiang Univ, Dept Polymer Sci & Engn, Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
  • [ 5 ] [Zhu, Bao-Ku]Zhejiang Univ, Dept Polymer Sci & Engn, Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
  • [ 6 ] [An, Quan-Fu]Zhejiang Univ, Dept Polymer Sci & Engn, Lab Macromol Synth & Functionalizat, Hangzhou 310027, Zhejiang, Peoples R China
  • [ 7 ] [Ji, Yan-Li]Zhejiang Univ Technol, Ocean Coll, Ctr Membrane & Water Sci & Technol, Hangzhou 310014, Zhejiang, Peoples R China
  • [ 8 ] [Gao, Cong-Jie]Zhejiang Univ Technol, Ocean Coll, Ctr Membrane & Water Sci & Technol, Hangzhou 310014, Zhejiang, Peoples R China
  • [ 9 ] [Mi, Yi-Fang]Zhejiang Sci Tech Univ, Minist Educ, Key Lab Adv Text Mat & Mfg Technol & Engn Res, Ctr Ecodyeing & Finishing Text, Hangzhou 310018, Zhejiang, Peoples R China

Reprint Author's Address:

  • 安全福

    [An, Quan-Fu]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MEMBRANE SCIENCE

ISSN: 0376-7388

Year: 2019

Volume: 583

Page: 152-162

9 . 5 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:166

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 72

SCOPUS Cited Count: 76

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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