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Polymers
Special Issues
Polymeric Membranes: Design, Processing and Application
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Polymeric Membranes: Design, Processing and Application

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

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 1438

Special Issue Editors

Prof. Dr. Gang Han

E-Mail Website
Guest Editor
The College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
Interests: membrane; porous materials; water purification; gas separation
Special Issues, Collections and Topics in MDPI journals
Dr. Yanling Yang

E-Mail Website
Guest Editor
Institute of Chemical Engineering, National Taiwan University, Taipei, Taiwan
Interests: artificial intelligence; multiscale molecular; simulation; thermodynamics; self-assembled polymer thin films; interfacial phenomena

Special Issue Information

Dear Colleagues,

We have been asked by the Editor of Polymers (MDPI) to coordinate a Special Issue entitled “Polymer Membranes: Design, Processing and Application”. This Special Issue is motivated by the observed growing interest in the design, fabrication and application of polymer membranes in all aspects of science and technology in relation to their application and the synthesis of polymers to obtain membranes with excellent dielectric, mechanical, chemical, electrochemical, and transport properties.

This Special Issue is focused on the characterization of polymer membrane materials, the fabrication and modification of polymer membranes, membrane structures, and applications of polymer membranes. Topics may include: polymer membrane materials; ultrafiltration membranes; nanofiltration membranes; ion exchange membranes; proton exchange membranes; amphiphilic membranes; biocompatible membranes; composite membranes; processes of polymer membranes; and membrane fabrication and modification. Full research papers, review articles, communications, letters, and perspective articles are invited.

Prof. Dr. Gang Han
Dr. Yanling Yang
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 materials
  • ultrafiltration membranes
  • nanofiltration membranes
  • ion exchange membranes
  • proton exchange membranes
  • amphiphilic membranes
  • biocompatible membranes
  • composite membranes
  • processes of polymer membranes
  • membrane fabrication/modification

Published Papers (1 paper)

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Research

15 pages, 6550 KiB  
Article
Free Vibration Analysis of a Tunable Micro-Fabrication Device Comprising Asymmetric L-Shaped Membranes
by Cheng-Hua Xiong, Lian-Gui He, Kao-Hao Chang and Chang-Wei Huang
Polymers 2023, 15(10), 2293; https://doi.org/10.3390/polym15102293 - 12 May 2023
Viewed by 1097
Abstract
Membrane sensors have been widely used in various fields owing to their multifunctionality and cost-effectiveness. However, few studies have investigated frequency-tunable membrane sensors, which could enable versatility in the face of different device requirements while retaining high sensitivity, fast response times, and high [...] Read more.
Membrane sensors have been widely used in various fields owing to their multifunctionality and cost-effectiveness. However, few studies have investigated frequency-tunable membrane sensors, which could enable versatility in the face of different device requirements while retaining high sensitivity, fast response times, and high accuracy. In this study, we propose a device comprising an asymmetric L-shaped membrane with tunable operating frequencies for microfabrication and mass sensing applications. The resonant frequency could be controlled by adjusting the membrane geometry. To fully understand the vibration characteristics of the asymmetric L-shaped membrane, the free vibrations of the membrane are first solved by a semi-analytical treatment combining domain decomposition and variable separation methods. The finite-element solutions confirmed the validity of the derived semi-analytical solutions. Parametric analysis results revealed that the fundamental natural frequency decreases monotonically with the increase in length or width of the membrane segment. Numerical examples revealed that the proposed model can be employed to identify suitable materials for membrane sensors with specific frequency requirements under a given set of L-shaped membrane geometries. The model can also achieve frequency matching by changing the length or width of membrane segments given a specified membrane material. Finally, performance sensitivity analyses for mass sensing were carried out, and the results showed that the performance sensitivity was up to 0.7 kHz/pg for polymer materials under certain conditions. Full article
(This article belongs to the Special Issue Polymeric Membranes: Design, Processing and Application)
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