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Membranes
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Advanced Polymeric Membranes: Fabrication, Characterization, and Applications
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Advanced Polymeric Membranes: Fabrication, Characterization, and Applications

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Polymeric Membranes".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 4948

Special Issue Editor

Dr. Olga Arzhakova

E-Mail Website
Guest Editor
Polymer Department, Faculty of Chemistry, M. V. Lomonosov Moscow State University, Leninskie gory 1/40, 119991 Moscow, Russia
Interests: porous polymers; mesoporous materials; nanocomposite materials; morphology and structure of polymers; polymeric membranes; membrane performance and selectivity; smart materials; hydrophilic/hydrophobic polymers; polymer films and fibers; sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue “Advanced Polymeric Membranes: Fabrication, Characterization, and Applications” is presenting the achievements in the recent research activities concerning the challenging area of modern membrane science and technology, which addresses global human problems, including the safety of the environment and the development of innovative, friendly, and low-cost membrane technologies. This Special Issue covers the entire avenue from the fabrication of innovative membrane polymeric materials to their characterization and practical applications. This Issue presents a broad scope of facile and sustainable strategies for the preparation of porous and dense organic and nanocomposite membrane materials for diverse membrane processes (gas and liquid separation, reverse osmosis, ultrafiltration, pervaporation, membrane distillation, membrane contactors, etc.), including the correlation between the conditions of fabrication and the structure of the resultant materials which governs their performance. The scope of practical applications of membrane materials is broad, ranging from the treatment of wastewater and the solution of challenging problems concerning the supply of drinking water to special task-targeted applications in catalysis, medicine, environmental monitoring, and diagnostics. This scientific direction has an evident interdisciplinary character and is closely related to the use of diverse physicochemical methods for the characterization of the membrane polymeric materials (chemical composition, free volume, morphology, structural organization at different scales, phase composition, hydrophilicity/hydrophobicity, etc.) and their performance (selectivity, mechanical properties, pore size, pore size distribution, structural morphology, lifetime, stability, etc.). This Issue also addresses the problems associated with the modification of membrane materials and their fit for the solution of specific tasks.

This Special Issue on “Advanced Polymeric Membranes: Fabrication, Characterization, and Application” will presents updated information on this subject for academic researchers, scholars, and technologists interested in all aspects of membrane science from technology to task-oriented applications of membrane materials. Original research articles and reviews on membrane science and membrane polymeric materials are welcome.

The main topics include (but are not limited to):

  • General strategies for the fabrication of diverse membrane polymeric materials (dense and porous membranes, liquid-supported membranes, electroconducting membranes, composite multicomponent membranes) as films, fibers (including hollow fibers), and non-wovens.
  • Structure and morphology of membrane polymeric materials.
  • Correlation between the fabrication conditions and structure of membrane materials.
  • Characterization of membrane materials by diverse physicochemical methods (AFM, SEM, TEM, DSC, liquid and gas permeability, X-ray analysis, DSC, TGA, permporometry, IR spectroscopy, EPR, FESEM, NMR, etc.).
  • Performance of membrane materials (gas and liquid permeability, selectivity, water vapor transmission rate, oil permeability, sorption, stability, ecological aspects, etc.).
  • Preparation of composite/nanocomposite membrane materials with functional additives and their characterization.
  • Membrane technological processes.
  • Computational studies and models for the description of membrane processes.
  • Application of membrane materials (food packing, separators, scaffolds, breathable materials, biomedical applications, wastewater treatment, gas separation membranes, selective membranes, catalytic membranes, reverse osmosis, ultrafiltration, pervaporation, distillation, membrane contactors, etc.).

Dr. Olga Arzhakova
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. Membranes is an international peer-reviewed open access monthly 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

  • polymeric membrane
  • characterization of membrane materials
  • reverse osmosis
  • ultrafiltration
  • pervaporation
  • membrane catalysis
  • gas and liquid separation

Published Papers (2 papers)

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Research

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15 pages, 2326 KiB  
Article
Hydrophilization of Hydrophobic Mesoporous High-Density Polyethylene Membranes via Ozonation
by Polina M. Tyubaeva, Mikhail A. Tyubaev, Vyacheslav V. Podmasterev, Anastasia V. Bolshakova and Olga V. Arzhakova
Membranes 2022, 12(8), 733; https://doi.org/10.3390/membranes12080733 - 26 Jul 2022
Cited by 1 | Viewed by 1649
Abstract
This work addresses hydrophilization of hydrophobic mesoporous membranes based on high-density polyethylene (HDPE) via ozonation. Mesoporous HDPE membranes were prepared by intercrystallite environmental crazing. Porosity was 50%, and pore dimensions were below 10 nm. Contact angle of mesoporous membranes increases from 96° (pristine [...] Read more.
This work addresses hydrophilization of hydrophobic mesoporous membranes based on high-density polyethylene (HDPE) via ozonation. Mesoporous HDPE membranes were prepared by intercrystallite environmental crazing. Porosity was 50%, and pore dimensions were below 10 nm. Contact angle of mesoporous membranes increases from 96° (pristine HDPE) to 120° due to the formation of nano/microscale surface relief and enhanced surface roughness. The membranes are impermeable to water (water entry threshold is 250 bar). The prepared membranes were exposed to ozonation and showed a high ozone uptake. After ozonation, the membranes were studied by different physicochemical methods, including DSC, AFM, FTIR spectroscopy, etc. Due to ozonation, wettability of the membranes was improved: their contact angle decreased from 120° down to 60°, and they became permeable to water. AFM micrographs revealed a marked smoothening of the surface relief, and the FTIR spectra indicated the development of new functionalities due to ozonolysis. Both factors contribute to hydrophilization and water permeability of the ozonated HDPE membranes. Hence, ozonation was proved to be a facile and efficient instrument for surface modification of hydrophobic mesoporous HDPE membranes and can also provide their efficient sterilization for biomedical purposes and water treatment. Full article
(This article belongs to the Special Issue Advanced Polymeric Membranes: Fabrication, Characterization, and Applications)
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Review

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23 pages, 3576 KiB  
Review
Recent Developments and Perspectives of Recycled Poly(ethylene terephthalate)-Based Membranes: A Review
by Kirill Kirshanov, Roman Toms, Gadir Aliev, Alina Naumova, Pavel Melnikov and Alexander Gervald
Membranes 2022, 12(11), 1105; https://doi.org/10.3390/membranes12111105 - 5 Nov 2022
Cited by 10 | Viewed by 2926
Abstract
Post-consumer poly(ethylene terephthalate) (PET) waste disposal is an important task of modern industry, and the development of new PET-based value added products and methods for their production is one of the ways to solve it. Membranes for various purposes, in this regard are [...] Read more.
Post-consumer poly(ethylene terephthalate) (PET) waste disposal is an important task of modern industry, and the development of new PET-based value added products and methods for their production is one of the ways to solve it. Membranes for various purposes, in this regard are such products. The aim of the review, on the one hand, is to systematize the known methods of processing PET and copolyesters, highlighting their advantages and disadvantages and, on the other hand, to show what valuable membrane products could be obtained, and in what areas of the economy they can be used. Among the various approaches to the processing of PET waste, we single out chemical methods as having the greatest promise. They are divided into two large categories: (1) aimed at obtaining polyethylene terephthalate, similar in properties to the primary one, and (2) aimed at obtaining copolyesters. It is shown that among the former, glycolysis has the greatest potential, and among the latter, destruction followed by copolycondensation and interchain exchange with other polyesters, have the greatest prospects. Next, the key technologies for obtaining membranes, based on polyethylene terephthalate and copolyesters are considered: (1) ion track technology, (2) electrospinning, and (3) non-solvent induced phase separation. The methods for the additional modification of membranes to impart hydrophobicity, hydrophilicity, selective transmission of various substances, and other properties are also given. In each case, examples of the use are considered, including gas purification, water filtration, medical and food industry use, analytical and others. Promising directions for further research are highlighted, both in obtaining recycled PET-based materials, and in post-processing and modification methods. Full article
(This article belongs to the Special Issue Advanced Polymeric Membranes: Fabrication, Characterization, and Applications)
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