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author:

Chen, Huaiyin (Chen, Huaiyin.) [1] (Scholars:陈怀银) | Wang, Fangfang (Wang, Fangfang.) [2] | Fan, Huizhou (Fan, Huizhou.) [3] | Hong, Ruoyu (Hong, Ruoyu.) [4] (Scholars:洪若瑜) | Li, Weihua (Li, Weihua.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

A superhydrophobic composite coating was facilely constructed based on MOF (ZIF-8) nanoparticles and organic resin. Hydrophilic ZIF-8 nanoparticles with hydroxyl group were firstly prepared in aqueous media at room temperature, and then modified with low surface energy perfluorooctyltriethoxysilane (POTS) through hydrolytic condensation to give a superhydrophobic paint. Additionally, epoxy resin (EP) was innovatively introduced as adhesive layer to improve the robustness and adhesive force of the superhydrophobic coating. The as-prepared ZIF-8/POTS/EP composite coating showed high water-repellency (water contact angle = 168.2 degrees), mechanical and chemical robustness, and durability that it could maintain the superhydrophobicity after weathering in air for 300 days or immersing in 3.5 wt% NaCl aqueous solution for 60 days. The superhydrophobic composite coating also possessed excellent performance in self-cleaning, corrosion resistance, anti-icing and loading-increasing. Noteworthily, for the corrosion resistance, the ZIF-8/POTS/EP coating could increase the impedance modulus (at 0.01 Hz) of Q235 steel by about 7 orders of magnitude after immersion in 3.5 wt% NaCl aqueous solution for 7 days. We believe that this work can not only promote the effortless and large-scale preparation of superhydrophobic surface and their practical applications in future, but also provide a novel way for applying MOF materials into more fields.

Keyword:

Corrosion resistance Robustness Self-cleaning Superhydrophobic composite coating ZIF-8

Community:

  • [ 1 ] [Chen, Huaiyin]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 2 ] [Wang, Fangfang]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 3 ] [Fan, Huizhou]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 4 ] [Hong, Ruoyu]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 5 ] [Li, Weihua]Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China

Reprint 's Address:

  • 洪若瑜

    [Hong, Ruoyu]Fuzhou Univ, Coll Chem Engn, Fuzhou 350116, Peoples R China;;[Li, Weihua]Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China

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Source :

CHEMICAL ENGINEERING JOURNAL

ISSN: 1385-8947

Year: 2021

Volume: 408

1 6 . 7 4 4

JCR@2021

1 3 . 4 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:105

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 229

SCOPUS Cited Count: 202

ESI Highly Cited Papers on the List: 16 Unfold All

  • 2025-1
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  • 2023-11
  • 2023-9
  • 2023-5
  • 2023-3
  • 2023-1
  • 2022-11
  • 2022-9
  • 2022-7
  • 2022-5

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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