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Polymers
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Fabrication and Application of Electrospun Nanofibers II
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Fabrication and Application of Electrospun Nanofibers II

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 1851

Special Issue Editor

Dr. Huaizhong Xu

E-Mail Website
Guest Editor
Department of Biobased Materials Science, Kyoto Institute of Technology, Kyoto 606-8585, Japan
Interests: electrospinning; melt electrowriting; electro-centrifugal spinning; melt spinning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Currently, electrospinning is the most promising nanotechnology to process most polymers into nanofibers. Additionally, electrospun products are playing an important role in fighting against the COVID-19 pandemic. While many other nanofiber technologies have been developed, electrospinning is still the most accessible approach that researchers worldwide can apply to design and create numerous ingenious products in the fields of tissue engineering, public health security, filtration, energy, etc. This Special Issue focuses on publishing original research papers or reviews on manufacturing new functional polymers into nano- or low micro-fibers using electrospinning or its derivative technologies, such as melt electrowriting, electro-centrifugal spinning, near-field electrospinning, and so on. Of course, hybrid manufacturing that utilizes electrospinning is also acceptable.

Dr. Huaizhong Xu
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

  • polymeric nanofibers
  • nanotechnology
  • electrospinning
  • melt electrowriting
  • electro-centrifugal spinning
  • tissue engineering
  • public health security
  • filtration
  • 3D scaffold

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Published Papers (1 paper)

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Research

16 pages, 4926 KiB  
Article
Pilot-Scale Melt Electrospinning of Polybutylene Succinate Fiber Mats for a Biobased and Biodegradable Face Mask
by Maike-Elisa Ostheller, Naveen Kumar Balakrishnan, Konrad Beukenberg, Robert Groten and Gunnar Seide
Polymers 2023, 15(13), 2936; https://doi.org/10.3390/polym15132936 - 3 Jul 2023
Cited by 5 | Viewed by 1549
Abstract
The COVID-19 pandemic led to a huge demand for disposable facemasks. Billions were manufactured from nonbiodegradable petroleum-derived polymers, and many were discarded in the environment where they contributed to plastic pollution. There is an urgent need for biobased and biodegradable facemasks to avoid [...] Read more.
The COVID-19 pandemic led to a huge demand for disposable facemasks. Billions were manufactured from nonbiodegradable petroleum-derived polymers, and many were discarded in the environment where they contributed to plastic pollution. There is an urgent need for biobased and biodegradable facemasks to avoid environmental harm during future disease outbreaks. Melt electrospinning is a promising alternative technique for the manufacturing of filter layers using sub-microfibers prepared from biobased raw materials such as polybutylene succinate (PBS). However, it is not yet possible to produce sub-micrometer PBS fibers or uniform nonwoven-like samples at the pilot scale, which hinders their investigation as filter layers. Further optimization of pilot-scale PBS melt electrospinning is therefore required. Here, we tested the effect of different parameters such as electric field strength, nozzle-to-collector distance and throughput on the final fiber diameter and sample uniformity during PBS melt electrospinning on a pilot-scale device. We also studied the effect of a climate chamber and an additional infrared heater on the solidification of PBS fibers and their final diameter and uniformity. In addition, a post-processing step, including a hot air stream of 90 °C for 30 s has been studied and successfully lead to a nonwoven-like structure including filaments that weld together without changing their structure. The finest fibers (1.7 µm in diameter) were produced at an applied electric field strength of −40 kV, a nozzle-to-collector distance of 5.5 cm, and a spin pump speed of 2 rpm. Three uniform nonwoven-like samples were tested as filter layers in a medical face mask by measuring their ability to prevent the transfer of bacteria, but the pore size was too large for effective retention. Our results provide insight into the process parameters influencing the suitability of melt-electrospun nonwoven-like samples as biobased and biodegradable filter materials and offer guidance for further process optimization. Full article
(This article belongs to the Special Issue Fabrication and Application of Electrospun Nanofibers II)
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