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Polymers
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Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self...
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Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly

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

Deadline for manuscript submissions: closed (25 October 2023) | Viewed by 13505

Special Issue Editor

Dr. Wenliang Song

E-Mail Website
Guest Editor
School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
Interests: electrospinning; nanoporous polymers; molecular self-assembly; drug delivery; antibacterial
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymer fiber is a one-dimensional soft material, exhibiting unique physicochemical properties and characteristics, such as high surface-to-mass ratio, high porosity with excellent pore interconnectivity, flexibility with reasonable mechanical strength, and ease of interacting with other organic and inorganic materials. Technologies on polymer fibers have largely influenced the field of materials science and engineering to create new types of material platforms in a wide range of applications. To date, the technologies on fiber formations with functional polymers, structural and morphological controls, and functionality incorporation using physical blending or chemical reactions have enabled tremendous and rapid advances in various fields in biomedical, energy, environmental, and electronic engineering by accompanying fundamental and applied experimental and theoretical studies. All these achievements should be explored and merged for the next-generation materials toward ideal target properties.

This Special Issue aims to publish research works, reviews, and communications related to the various advanced technologies for generating polymeric fiber materials, which focus on – but are not restricted to the (i) various methods such as electrospinning, chemical synthesis, and molecular self-assembly methods for generating polymeric fibers; (ii) polymeric fibers for environmental, energy, biological, and optical applications; (iii) other polymer fiber-related nanocomposites and devices.

Dr. Wenliang Song
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

  • electrospinning
  • fiber materials
  • self-assembly
  • polymer fiber-related nanocomposites and devices
  • chemical synthesis

Published Papers (5 papers)

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Research

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12 pages, 4531 KiB  
Article
Extraction of Keratin from Pig Nails and Electrospinning of Keratin/Nylon6 Nanofibers for Copper (II) Adsorption
by Lanlan Wei, Di Wang, Zhiheng Liao, Zexuan Gong, Wenwen Zhao, Jinyan Gu, Yan Li and Jingjun Li
Polymers 2023, 15(2), 467; https://doi.org/10.3390/polym15020467 - 16 Jan 2023
Cited by 4 | Viewed by 1698
Abstract
In this study, keratins were extracted from pig nail waste via the reduction method for the first time, using L-cysteine as the reductant and urea as the lytic agent. Nylon6 and pig nail keratin were successfully combined via electrospinning to generate a series [...] Read more.
In this study, keratins were extracted from pig nail waste via the reduction method for the first time, using L-cysteine as the reductant and urea as the lytic agent. Nylon6 and pig nail keratin were successfully combined via electrospinning to generate a series of nylon6/pig nail keratin nanofibers with a variety of keratin concentrations (0% to 8%, w/w). From the results, it was found that the best concentration was 6% (w/w). The morphologies of the electrospun nanofibers were examined via scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The structural properties were characterized using Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD), and the thermal properties were described using thermo-gravimetric analysis (TGA). These results confirmed that the nanofibers were composed of both polymeric phases. Finally, copper (II) was used as a model ion, and the nanofiber membranes exhibited a strong adsorption affinity for metal ions in the water samples. This study provides an important foundation for the application of nanofiber membranes in metal adsorption. Full article
(This article belongs to the Special Issue Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly)
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20 pages, 9711 KiB  
Article
A Microvascular System Self-Healing Approach on Polymeric Composite Materials
by Ionut Sebastian Vintila, Jana Ghitman, Horia Iovu, Alexandru Paraschiv, Andreia Cucuruz, Dragos Mihai and Ionut Florian Popa
Polymers 2022, 14(14), 2798; https://doi.org/10.3390/polym14142798 - 08 Jul 2022
Cited by 7 | Viewed by 1771
Abstract
The paper addresses the synthesis of a nano-fibre network by coaxial electrospinning, embedding the healing agent dicyclopentadiene (DCPD) in polyacrylonitrile (PAN) fibres. Compared to other encapsulation methods, the use of nano-fibres filled with healing agent have no effect on the mechanical properties of [...] Read more.
The paper addresses the synthesis of a nano-fibre network by coaxial electrospinning, embedding the healing agent dicyclopentadiene (DCPD) in polyacrylonitrile (PAN) fibres. Compared to other encapsulation methods, the use of nano-fibres filled with healing agent have no effect on the mechanical properties of the matrix and can address a larger healing area. Additionally, carbon nanotubes were added as nanofillers to enhance the reactivity between DCPD and the epoxydic matrix. The self-healing capability of the nano-fibre network was carried out by flexural tests, at epoxy resin level and composite level. Results obtained from Fourier transform infrared (FTIR) spectrometry, thermogravimetric analysis (TGA) and scanning electron microscopy (SEM) confirmed the successful encapsulation of DCPD healing agent in PAN fibres. Flexural tests indicate that after 48 h, the epoxy resin has recovered 84% of its flexural strength while the composite material recovered 93%. Full article
(This article belongs to the Special Issue Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly)
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9 pages, 3270 KiB  
Article
Application of Fiber Biochar–MOF Matrix Composites in Electrochemical Energy Storage
by Meixiang Gao, Meng Lu, Xia Zhang, Zhenhui Luo and Jiaqi Xiao
Polymers 2022, 14(12), 2419; https://doi.org/10.3390/polym14122419 - 15 Jun 2022
Cited by 5 | Viewed by 1909
Abstract
Fiber biochar–metal organic framework (MOF) composites were successfully prepared by three different biochar preparation methods, namely, the ionic liquid method, the pyrolysis method, and the direct composite method. The effects of the different preparation methods of fiber biochar on the physical and chemical [...] Read more.
Fiber biochar–metal organic framework (MOF) composites were successfully prepared by three different biochar preparation methods, namely, the ionic liquid method, the pyrolysis method, and the direct composite method. The effects of the different preparation methods of fiber biochar on the physical and chemical properties of the biochar–MOF composites showed that the composite prepared by the ionic liquid method with the Zeolite-type imidazolate skeleton -67 (ZIF-67) composite after high temperature treatment exhibited a better microstructure. Electrochemical tests showed that it had good specific capacity, a fast charge diffusion rate, and a relatively good electrochemical performance. The maximum specific capacity of the composite was 63.54 F/g when the current density was 0.01 A/g in 1 mol/L KCl solution. This work explored the preparation methods of fiber biochar–MOF composites and their application in the electrochemical field and detailed the relationship between the preparation methods of the composites and the electrochemical properties of the electrode materials. Full article
(This article belongs to the Special Issue Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly)
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Review

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18 pages, 2442 KiB  
Review
Electrohydrodynamic Techniques for the Manufacture and/or Immobilization of Vesicles
by María Celina Sánchez-Cerviño, Codrin Paul Fuioaga, Leonard Ionut Atanase, Gustavo A. Abraham and Guadalupe Rivero
Polymers 2023, 15(4), 795; https://doi.org/10.3390/polym15040795 - 04 Feb 2023
Cited by 3 | Viewed by 1607
Abstract
The development of accurate drug delivery systems is one of the main challenges in the biomedical field. A huge variety of structures, such as vesicles, nanoparticles, and nanofibers, have been proposed as carriers for bioactive agents, aiming for precision in administration and dosage, [...] Read more.
The development of accurate drug delivery systems is one of the main challenges in the biomedical field. A huge variety of structures, such as vesicles, nanoparticles, and nanofibers, have been proposed as carriers for bioactive agents, aiming for precision in administration and dosage, safety, and bioavailability. This review covers the use of electrohydrodynamic techniques both for the immobilization and for the synthesis of vesicles in a non-conventional way. The state of the art discusses the most recent advances in this field as well as the advantages and limitations of electrospun and electrosprayed amphiphilic structures as precursor templates for the in situ vesicle self-assembly. Finally, the perspectives and challenges of combined strategies for the development of advanced structures for the delivery of bioactive agents are analyzed. Full article
(This article belongs to the Special Issue Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly)
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25 pages, 10665 KiB  
Review
Electrospun Porous Nanofibers: Pore−Forming Mechanisms and Applications for Photocatalytic Degradation of Organic Pollutants in Wastewater
by Xianyang Cao, Wei Chen, Ping Zhao, Yaoyao Yang and Deng-Guang Yu
Polymers 2022, 14(19), 3990; https://doi.org/10.3390/polym14193990 - 23 Sep 2022
Cited by 47 | Viewed by 5854
Abstract
Electrospun porous nanofibers have large specific surface areas and abundant active centers, which can effectively improve the properties of nanofibers. In the field of photocatalysis, electrospun porous nanofibers can increase the contact area of loaded photocatalytic particles with light, shorten the electron transfer [...] Read more.
Electrospun porous nanofibers have large specific surface areas and abundant active centers, which can effectively improve the properties of nanofibers. In the field of photocatalysis, electrospun porous nanofibers can increase the contact area of loaded photocatalytic particles with light, shorten the electron transfer path, and improve photocatalytic activity. In this paper, the main pore−forming mechanisms of electrospun porous nanofiber are summarized as breath figures, phase separation (vapor−induced phase separation, non−solvent−induced phase separation, and thermally induced phase separation) and post−processing (selective removal). Then, the application of electrospun porous nanofiber loading photocatalytic particles in the degradation of pollutants (such as organic, inorganic, and bacteria) in water is introduced, and its future development prospected. Although porous structures are beneficial in improving the photocatalytic performance of nanofibers, they reduce their mechanical properties. Therefore, strategies for improving the mechanical properties of electrospun porous nanofibers are also briefly discussed. Full article
(This article belongs to the Special Issue Advanced Polymeric Fiber Materials: Electrospinning, Chemical Synthesis, and Molecular Self Assembly)
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