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Polymers
Special Issues
Feature Papers in Polymer Membranes and Films III
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Feature Papers in Polymer Membranes and Films III

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

Deadline for manuscript submissions: 30 April 2024 | Viewed by 513

Special Issue Editors

Dr. Mariia E. Dmitrenko

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Guest Editor
Department of Analytical Chemistry, Institute of Chemistry, St. Petersburg State University, Universitetsky Prospect 26, St. Petersburg 198504, Russia
Interests: polymer membranes; composite; ultrafiltration; nanofiltration; pervaporation; membrane mass transport; polyelectrolytes; surface and bulk modification
Special Issues, Collections and Topics in MDPI journals
Dr. Anastasia V. Penkova

E-Mail Website1 Website2
Guest Editor
Department of Analytical Chemistry, Institute of Chemistry, St. Petersburg State University, Universitetsky Prospect 26, St. Petersburg 198504, Russia
Interests: polymer membranes; nanocomposites; pervaporation; ultrafiltration; gas separation; nanofiltration; thermodynamics and kinetics of nonequilibrium processes; layer by layer; bulk modification; surface modification; mixed matrix membranes; plasma treatment; dehydration; water treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Lusi Zou

E-Mail Website
Guest Editor
College of Chemistry and Chemical Engineering, Hubei University, Wuhan, China
Interests: membrane separation; hollow fiber membrane; epoxy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymer membranes and films play a significant role in membrane separation processes and as packing and insulating materials in various industries. They also have advantages such as ease of processing, manufacturing, relatively low cost, and the ability to vary properties via the use of different modification methods. Polymeric membranes and films with tailored properties, obtained via various approaches and modification methods or obtained from novel designed polymers, are of significant fundamental and industrial interest in various fields. Additionally, the use of “green” polymer membranes and films with desired properties will lead to the improvement of sustainable processes—particularly membrane methods, which are currently receiving significant attention in order to preserve the environment.

Particular attention will be paid to the following, although other relevant topics are also welcome:

  • Polymer membrane/film preparation;
  • Polymer membrane/film characterization;
  • Polymer membrane/film modification;
  • Transport properties of polymer membranes in pressure-driven, thermal-driven, and diffusive membrane separation processes;
  • Polymer films used as packing materials and for insulating purposes;
  • Functional films.

Dr. Mariia E. Dmitrenko
Dr. Anastasia V. Penkova
Dr. Lusi Zou
Guest Editors

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

  • polymer membrane
  • pervaporation
  • membrane technology
  • membrane distillation
  • reverse osmosis
  • forward osmosis
  • structure/property/processing relations
  • structure/property/performance relations
  • trade-off in membrane technology
  • solar-assisted membrane process
  • confined mass transfer
  • 2D membrane
  • Janus membranes
  • “green” membranes
  • polymer membranes employing non-toxic solvents and materials
  • non-toxic ingredients for membrane preparation
  • bioinspired membranes
  • functional films

Published Papers (1 paper)

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Research

31 pages, 2231 KiB  
Article
Pervaporation Membranes Based on Polyelectrolyte Complex of Sodium Alginate/Polyethyleneimine Modified with Graphene Oxide for Ethanol Dehydration
by Mariia Dmitrenko, Olga Mikhailovskaya, Roman Dubovenko, Anna Kuzminova, Danila Myznikov, Anton Mazur, Konstantin Semenov, Yury Rusalev, Alexander Soldatov, Sergey Ermakov and Anastasia Penkova
Polymers 2024, 16(9), 1206; https://doi.org/10.3390/polym16091206 - 25 Apr 2024
Viewed by 177
Abstract
Pervaporation is considered the most promising technology for dehydration of bioalcohols, attracting increasing attention as a renewable energy source. In this regard, the development of stable and effective membranes is required. In this study, highly efficient membranes for the enhanced pervaporation dehydration of [...] Read more.
Pervaporation is considered the most promising technology for dehydration of bioalcohols, attracting increasing attention as a renewable energy source. In this regard, the development of stable and effective membranes is required. In this study, highly efficient membranes for the enhanced pervaporation dehydration of ethanol were developed by modification of sodium alginate (SA) with a polyethylenimine (PEI) forming polyelectrolyte complex (PEC) and graphene oxide (GO). The effect of modifications with GO or/and PEI on the structure, physicochemical, and transport characteristics of dense membranes was studied. The formation of a PEC by ionic cross-linking and its interaction with GO led to changes in membrane structure, confirmed by spectroscopic and microscopic methods. The physicochemical properties of membranes were investigated by a thermogravimetric analysis, a differential scanning calorimetry, and measurements of contact angles. The theoretical consideration using computational methods showed favorable hydrogen bonding interactions between GO, PEI, and water, which caused improved membrane performance. To increase permeability, supported membranes without treatment and cross-linked were developed by the deposition of a thin dense layer from the optimal PEC/GO (2.5%) composite onto a developed porous substrate from polyacrylonitrile. The cross-linked supported membrane demonstrated more than two times increased permeation flux, higher selectivity (above 99.7 wt.% water in the permeate) and stability for separating diluted mixtures compared to the dense pristine SA membrane. Full article
(This article belongs to the Special Issue Feature Papers in Polymer Membranes and Films III)
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