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Membranes
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Functional Polymer Membranes for a Sustainable Future: Fabrication, Characterization, and...
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Functional Polymer Membranes for a Sustainable Future: 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 (30 April 2022) | Viewed by 6811

Special Issue Editors

Dr. Hongbo Feng

E-Mail Website
Guest Editor
Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Ave., Chicago, IL 60637, USA
Interests: functional polymers; membrane fabrication; nanomaterials
Prof. Dr. Xiuhua Liu

E-Mail Website
Guest Editor
College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
Interests: polymer modification; bio-materials; separation; nanomaterials

Special Issue Information

Dear Colleagues,

We are thrilled to invite you to submit your work to this Special Issue on “Functional Polymer Membranes for A Sustainable Future: Fabrication, Characterization, and Applications”. Polymer membrane technology has attracted tremendous attention in academia and industry mainly due to its low energy cost, robustness, and feasibility. Recent progress in the synthesis of functional polymers with tailored properties as well as new membrane fabrication processes has further promoted advancements in this field. Functional polymer membranes hold the key in the pursuit of a sustainable future because of their remarkable performance in several essential applications, including water purification, desalination, gas separation, and energy storage.

This Special Issue seeks original research papers and reviews on relevant topics including but not limited to the synthesis of functional polymer membrane materials, membrane fabrication and modification, and membrane applications. Simulation studies as well as industrial case studies are also welcome. 

Kind regards,
Dr. Hongbo Feng
Prof. Dr. Xiuhua Liu
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. 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

  • functional polymers
  • membrane fabrication
  • membrane modification
  • membrane characterization
  • water purification
  • gas separation
  • ion-exchange membrane

Published Papers (2 papers)

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Research

13 pages, 5981 KiB  
Article
Preparation and Characterization of Cellulose Nanofibers from Banana Pseudostem by Acid Hydrolysis: Physico-Chemical and Thermal Properties
by Mohammad Sobri Merais, Nozieana Khairuddin, Mohd Harfiz Salehudin, Md. Bazlul Mobin Siddique, Philip Lepun and Wong Sie Chuong
Membranes 2022, 12(5), 451; https://doi.org/10.3390/membranes12050451 - 22 Apr 2022
Cited by 8 | Viewed by 4798
Abstract
Cellulose is a biopolymer that may be derived from a variety of agricultural wastes such as rice husks, wheat straw, banana, and so on. Cellulose fibril that is reduced in size, often known as nanocellulose (NC), is a bio-based polymer with nanometer-scale widths [...] Read more.
Cellulose is a biopolymer that may be derived from a variety of agricultural wastes such as rice husks, wheat straw, banana, and so on. Cellulose fibril that is reduced in size, often known as nanocellulose (NC), is a bio-based polymer with nanometer-scale widths with a variety of unique properties. The use of NC as a reinforcing material for nanocomposites has become a popular research issue. This research paper focuses on the production of banana pseudostem cellulose nanofiber. Nano-sized fiber was obtained from banana pseudostem through several processes, namely, grinding, sieving, pre-treatment, bleaching, and acid hydrolysis. The product yield was found to be 40.5% and 21.8% for Musa acuminata and Musa balbisiana, respectively, by the weight of the raw fiber. The reduction in weight was due to the removal of hemicellulose and lignin during processing. Transmission electron microscopy (TEM) analysis showed that the average fiber size decreased from 180 µm to 80.3 ± 21.3 nm. Finally, FTIR analysis showed that the fibers experienced chemical changes after the treatment processes. Full article
(This article belongs to the Special Issue Functional Polymer Membranes for a Sustainable Future: Fabrication, Characterization, and Applications)
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13 pages, 45359 KiB  
Article
Effect of Impregnated Phenolic Resins on the Cellulose Membrane for Polymeric Insulator
by Sharifah Nurul Ain Syed Hashim, Sarani Zakaria, Chin Hua Chia, Zalita Zainuddin, Thomas Rosenau and Sharifah Nabihah Syed Jaafar
Membranes 2022, 12(2), 106; https://doi.org/10.3390/membranes12020106 - 18 Jan 2022
Cited by 1 | Viewed by 1663
Abstract
In this study, a cellulose membrane (CM) was chemically treated with phenolic (PF) resin to improve its performance as a polymeric insulator. The CM was prepared from kenaf pulp, and the PF was synthesized from oil palm empty fruit (EFB) fibre. Four different [...] Read more.
In this study, a cellulose membrane (CM) was chemically treated with phenolic (PF) resin to improve its performance as a polymeric insulator. The CM was prepared from kenaf pulp, and the PF was synthesized from oil palm empty fruit (EFB) fibre. Four different concentrations of synthesized PF resin (5, 10, 15, and 20 wt.%) were impregnated under wet or dry conditions. Thermal analysis of the phenolic cellulose membrane (PCM) showed that the samples had good chemical interaction and compatibility. The PF uptake in the wet phenolic cellulose membrane (PCMW) was higher than in the dry phenolic cellulose membrane (PCMD). During the PF uptake, the CM underwent solvent exchange and absorption in wet and dry membranes, respectively. This difference also affected the crosslinking of PCM samples via the formation of methylene bridges. Due to the PF treatment, the PCM showed lower water absorption than CM. The PF concentrations also affect the surface roughness and electrical properties of PCM samples. These findings prove that PCM can be used as a renewable and green polymer electrical insulator. Full article
(This article belongs to the Special Issue Functional Polymer Membranes for a Sustainable Future: Fabrication, Characterization, and Applications)
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