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Polymers
Special Issues
Advanced Polymeric Materials for Membrane Applications
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Special Issue "Advanced Polymeric Materials for Membrane Applications"

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

Deadline for manuscript submissions: 5 November 2023 | Viewed by 666

Special Issue Editor

Dr. Songbo Wang

E-Mail Website
Guest Editor
Department of Chemical Engineering, Tianjin University of Science & Technology, Tianjin, China
Interests: membrane separation; brine utilization; membrane catalysis; hollow-fiber membrane; flat membrane; proton exchange membrane; gas separation membrane

Special Issue Information

Dear Colleagues,

With its high separation efficiency, selectivity, low energy consumption and other advantages, membrane separation technology has shown great application prospects in wastewater treatment, seawater desalination, fuel cells, chemical separation and other fields. Polymeric materials have been considered key to membrane application, and polymeric membranes are widely used for both gas and liquid phase separation in industries. Polymeric membranes provide incomplete separation and often have chemical or thermal stability properties that are not sufficient for desired applications. Therefore, this Special Issue focuses on recent research advances in the development of polymeric materials that (i) can achieve higher selectivity as well as permeability, and (ii) are more resistant to end-use process environments.

This Special Issue will cover recent advances in the structure, properties and processing of advanced polymeric membranes. Submitted manuscripts will be fast-track reviewed. Research articles, review articles, perspectives, communications and letters are also invited.

Dr. Songbo Wang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microfiltration
  • ultrafiltration
  • nanofiltration
  • reverse osmosis
  • gas separation
  • liquid separation
  • membrane distillation
  • polymers polypropylene
  • polyimide
  • polyvinylidene difluoride
  • CO2 separation
  • water remediation

Published Papers (1 paper)

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Research

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Article
Poly(ionic liquid)/OPBI Composite Membrane with Excellent Chemical Stability for High-Temperature Proton Exchange Membrane
by
Yiming Xiao
,
Haoran Chen
,
Ranxin Sun
,
Lei Zhang
,
Jun Xiang
,
Penggao Cheng
,
Huaiyuan Han
,
Songbo Wang
and
Na Tang
Polymers 2023, 15(15), 3197; https://doi.org/10.3390/polym15153197 - 27 Jul 2023
Viewed by 366
Abstract
Despite the outstanding proton conductivity of phosphoric acid (PA)-doped polybenzimidazole (PBI) membranes as high-temperature proton exchange membranes (HT-PEMs), chemical stability is a critical issue for the operation life of PEM fuel cells (PEMFCs). Herein, we introduced polymerized [HVIM]H2PO4 ionic liquids [...] Read more.
Despite the outstanding proton conductivity of phosphoric acid (PA)-doped polybenzimidazole (PBI) membranes as high-temperature proton exchange membranes (HT-PEMs), chemical stability is a critical issue for the operation life of PEM fuel cells (PEMFCs). Herein, we introduced polymerized [HVIM]H2PO4 ionic liquids (PIL) into an OPBI membrane to accelerate proton transfer and enhance the chemical stability of the membrane. Based on the regulation of the intrinsic viscosity of PIL, the entanglement between PIL chains and OPBI chains is enhanced to prevent the loss of PIL and the oxidative degradation of membrane materials. The PIL/OPBI membrane with the intrinsic viscosity of 2.34 dL·g−1 (2.34-PIL/OPBI) exhibited the highest proton conductivity of 113.9 mS·cm−1 at 180 °C, which is 3.5 times that of the original OPBI membrane. The 2.34-PIL/OPBI membrane exhibited the highest remaining weight of 92.1% under harsh conditions (3 wt% H2O2; 4 ppm Fe2+ at 80 °C) for 96 h, and a much lower attenuation amplitude than the OPBI did in mechanical strength and proton conductivity performance. Our present work demonstrates a simple and effective method for blending PIL with OPBI to enhance the chemical durability of the PA-PBI membranes as HT-PEMs. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials for Membrane Applications)
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