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Polymers
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Advanced Polymeric Membrane Technology
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Advanced Polymeric Membrane Technology

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 6257

Special Issue Editor

Prof. Dr. Mohamed Bassyouni

E-Mail Website
Guest Editor
Department of Chemical Engineering, Faculty of Engineering, Port Said University, 42526 Port Said, Egypt
Interests: polymer composites; membrane technology; biocomposites; polymer processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Membrane processes are advanced filtration processes that utilize the separation properties of porous polymeric or inorganic films. A large number of polymeric membranes are widely used in the water, environment, energy, and food industries to separate biological macromolecules, colloids, ions, solvents, and gases. However, how to develop membranes with better efficiency is still a challenge for researchers.

This Special Issue aims to highlight and promote recent advances in polymeric membrane technology through publishing original research and review papers. Topics of particular interest include but are not limited to the following:

  • Polymer composite membrane: synthesis, structure, process design, and applications;
  • Membrane materials;
  • Membrane preparation and characterization;
  • Membrane processing;
  • Modelling and simulation;
  • Operation and modules design;
  • Membrane applications;
  • Polymer nanocomposites in the fabrication of membrane distillation and other membrane contactors;
  • Membrane fouling/scaling mechanisms, control and prevention;
  • Polymer membranes for the environment and energy;
  • Case studies.

Both original research papers and comprehensive reviews are welcome. We look forward to receiving your contributions.

Prof. Dr. Mohamed Bassyouni
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

  • membrane technology
  • nanotechnology
  • separation processes
  • simulation

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

13 pages, 3455 KiB  
Article
Controllable Fabrication and Oil–Water Separation Properties of Polyethylene Terephthaloyl-Ethylenediamine-IPN-poly(N-Isopropylacrylamide) Microcapsules
by Meng Liu, Dan Zhao, Hui Lv, Yunjing Liang, Yannan Yang, Zongguo Hong, Jingxue Liu, Kang Dai and Xincai Xiao
Polymers 2023, 15(1), 53; https://doi.org/10.3390/polym15010053 - 23 Dec 2022
Viewed by 2069
Abstract
In this paper, we report a microcapsule embedded PNIPAN in P (TPC-EDA) shell and it can be regarded as an interpenetrating polymer network (IPN) structure, which can accelerate the penetration of oily substances at a certain temperature, and the microcapsules are highly monodisperse [...] Read more.
In this paper, we report a microcapsule embedded PNIPAN in P (TPC-EDA) shell and it can be regarded as an interpenetrating polymer network (IPN) structure, which can accelerate the penetration of oily substances at a certain temperature, and the microcapsules are highly monodisperse and dimensionally reproducible. The proposed microcapsules were fabricated in a three-step process. The first step was the optimization of the conditions for preparing oil in water emulsions by microfluidic device. In the second step, monodisperse polyethylene terephthaloyl-ethylenediamine (P(TPC-EDA)) microcapsules were prepared by interfacial polymerization. In the third step, the final microcapsules with poly(N-isopropylacrylamide) (PNIPAM)-based interpenetrating polymer network (IPN) structure in P(TPC-EDA) shells were finished by free radical polymerization. We conducted careful data analysis on the size of the emulsion prepared by microfluidic technology and used a very intuitive functional relationship to show the production characteristics of microfluidics, which is rarely seen in other literatures. The results show that when the IPN-structured system swelled for 6 h, the adsorption capacity of kerosene was the largest, which was promising for water–oil separation or extraction and separation of hydrophobic drugs. Because we used microfluidic technology, the products obtained have good monodispersity and are expected to be produced in large quantities in industry. Full article
(This article belongs to the Special Issue Advanced Polymeric Membrane Technology)
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17 pages, 3011 KiB  
Article
Properties in Langmuir Monolayers and Langmuir-Blodgett Films of a Block Copolymer Based on N-Isopropylacrylamide and 2,2,3,3-Tetrafluropropyl Methacrylate
by Olga Zamyshlyayeva, Zarina Shaliagina, Maria Simonova, Alexander Filippov and Maxim Baten’kin
Polymers 2022, 14(23), 5193; https://doi.org/10.3390/polym14235193 - 29 Nov 2022
Cited by 2 | Viewed by 1619
Abstract
The amphiphilic block copolymer poly(N-isopropylacrylamide)–Ge(C6F5)2–poly(2,2,3,3-tetrafluoropropyl methacrylate) was prepared by the reaction of chain transfer to bis-(pentafluorophenyl)germane during the polymerization of N-isopropylacrylamide and the subsequent postpolymerization of isolated functional polymers in 2,2,3,3–tetrafluoropropyl methacrylate. The [...] Read more.
The amphiphilic block copolymer poly(N-isopropylacrylamide)–Ge(C6F5)2–poly(2,2,3,3-tetrafluoropropyl methacrylate) was prepared by the reaction of chain transfer to bis-(pentafluorophenyl)germane during the polymerization of N-isopropylacrylamide and the subsequent postpolymerization of isolated functional polymers in 2,2,3,3–tetrafluoropropyl methacrylate. The conversion of the block copolymer was 68% and the molecular weight of the sample was 490,000 g/mol. The colloidal chemical properties of Langmuir monolayers and Langmuir-Blodgett films of synthesized block copolymer have been studied. For comparison, a functional polymer, namely, poly-N-isopropylacrylamide with terminal –Ge(C6F5)2H group, was synthesized and studied. The concentrations of spreading solutions were selected and the effect of subphase acidity on the formation of monolayers of macromolecules of the block copolymer was studied. It was found that regardless of the acidity of the subphase, high pressure of fracture of films are characteristic of monolayers of collapse pressures πmax = (48–61) mN/m. The morphology of the Langmuir-Blodgett films of functional polymer exhibit isolated elongated micelles with high densities in the form of “octopus” on the periphery of which there are terminal hydrophobic groups. For the Langmuir-Blodgett film of block copolymer, a comb-like structure is observed with characteristic protrusions. Full article
(This article belongs to the Special Issue Advanced Polymeric Membrane Technology)
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12 pages, 3703 KiB  
Article
Effective and Easy Techniques of Collagen Deposition onto Polylactide Films: DC-Discharge Plasma Treatment vs. Chemical Entrapment
by Tatiana S. Demina, Mikhail S. Piskarev, Aisylu V. Birdibekova, Nadezhda N. Veryasova, Anastasia I. Shpichka, Nastasia V. Kosheleva, Andrey K. Gatin, Elena A. Skryleva, Elena V. Istranova, Alla B. Gilman, Tatiana A. Akopova and Peter S. Timashev
Polymers 2022, 14(22), 4886; https://doi.org/10.3390/polym14224886 - 12 Nov 2022
Cited by 1 | Viewed by 1983
Abstract
Enhancement of cell adhesion and growth on surface of the biodegradable materials is one of the important tasks in development of materials for regenerative medicine. This work focuses on comparison of various methods of collagen coating deposition onto polylactide films, aiming to increase [...] Read more.
Enhancement of cell adhesion and growth on surface of the biodegradable materials is one of the important tasks in development of materials for regenerative medicine. This work focuses on comparison of various methods of collagen coating deposition onto polylactide films, aiming to increase their biocompatibility with human mesenchymal stromal cells. The collagen deposition was realized using either preliminary plasma treatment of the polylactide films or pre-swelling in solvent mixture. These techniques were compared in terms of the effect on the surface’s chemical structure, morphology, hydrophilicity and ability to support adhesion and growth of human mesenchymal stromal cells. Full article
(This article belongs to the Special Issue Advanced Polymeric Membrane Technology)
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