Superhydrophobic Polymer Coatings and Films

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Membranes and Films".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 1482

Special Issue Editors


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Guest Editor
Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
Interests: polymer coatings; hydrophobicity; icephobicity; superhydrophobicity; self-cleaning; anti fouling

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Guest Editor
Centre for Advanced Technologies, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10, 61-614 Poznań, Poland
Interests: silsesquioxanes; polysiloxanes; silatranes; organosilicon chemistry; sol-gel; 3D printing; polymers

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Guest Editor
Centre for Advanced Technologies, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10, 61-614 Poznań, Poland
Interests: 3D printing; processes; sol-gel; composites; materials processing; bio-polymers; bio-composites; industry; hydrogen
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Special Issue Information

Dear Colleagues,

After the discovery of the superhydrophobic abilities of lotus leaf due to its specific surface geometry in micro- and nanoscale, many academic and industrial efforts have been made to mimic lotus leaf in synthesized and treated coatings and surfaces. Due to the large range of potential applications, the subject of superhydrophobicity and related properties (e.g., self-cleaning, anti-fouling, icephobicity) have found special enthusiasm in both fundamental research and industrial applications. The spectrum of superhydrophobic surfaces and coatings grows every year, and its progress is expected to continue for decades in the future. Although much effort has been made in the subject, there are common problems limiting their application in industry, including high prices, low fabrication efficiency and durability. Therefore, for this Special Issue we welcome papers on all kinds of polymer coatings and surfaces. Different techniques for the treatment and fabrication of surfaces and coatings (chemical treatments and modifications, etching, electrospinning, sol–gel, laser treatments, etc.) can be applied to achieve materials with superhydrophobic properties. Fabricated materials can also exhibit combined properties (in addition to hydro- and superhydrophobicity, also self-cleaning properties, icephobicity, anti-fouling, etc.)

Dr. Rafal Kozera
Dr. Bogna Sztorch
Prof. Robert Edward Przekop
Guest Editors

Manuscript Submission Information

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Keywords

  • coatings
  • surfaces
  • laser treatments
  • chemical modifications
  • surface treatments
  • etching
  • biomimetic surfaces
  • icephobicity
  • self-cleaning

Published Papers (1 paper)

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Research

10 pages, 4922 KiB  
Article
Preparation of Superhydrophilic/Underwater Superoleophobic and Superhydrophobic Stainless Steel Meshes Used for Oil/Water Separation
by Yu-Ping Zhang, Ya-Ning Wang, Hong-Li Du, Ling-Bo Qv and Jun Chen
Polymers 2023, 15(14), 3042; https://doi.org/10.3390/polym15143042 - 14 Jul 2023
Viewed by 1123
Abstract
Robust membrane materials with high efficiency have attracted extensive attention in oil/water separation. In this work, carbon particles via candle combustion were firstly adsorbed on the surface of stainless steel meshes (SSMs), which formed a thin hydrophobic coating, and a rough structure was [...] Read more.
Robust membrane materials with high efficiency have attracted extensive attention in oil/water separation. In this work, carbon particles via candle combustion were firstly adsorbed on the surface of stainless steel meshes (SSMs), which formed a thin hydrophobic coating, and a rough structure was then constructed through chemical vapor deposition and high temperature calcination, with the resultant SSM surface wrapped with uniform silica coating possessing the characteristic of superoleophobicity underwater. Scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), and X-ray powder diffraction (XRD) were used to characterize the modified SSMs. The prepared SSMs were superhydrophilic in air, and they had superoleophobicity underwater (157.4°). The separation efficiency of five oil/water mixtures was above 98.8%, and the separation flux was 46,300 L·m−2·h−1. After it was immersed in 1 mol/L NaOH, 1 mol/L HCl and 3.5 wt% NaCl for 24 h, respectively, the efficiency was still above 97.3%. Further immersion in the solution of dopamine and octadecylamine resulted in the transformation of superhydrophililc/superoleophobicity-underwater SSMs to superhydrophobic SSMs, and the resultant SSMs with reverse surface wettability was also used for the oil/water separation with good separation efficiency and separation flux. Full article
(This article belongs to the Special Issue Superhydrophobic Polymer Coatings and Films)
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