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Advances in Self-Healing Materials
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Advances in Self-Healing Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (10 April 2023) | Viewed by 8961

Special Issue Editors

Prof. Dr. Shouke Yan

E-Mail Website
Guest Editor
1. School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
2. School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
Interests: multiscale structure of polymeric materials; orientation induced polymer crystallization; surface induced polymer crystallization; confined polymer crystallization; polymer blends
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Xuming Xie

E-Mail Website
Guest Editor
Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
Interests: super tough hydrogels; nanomaterials and nanocomposites; polymer blends; plastics recycling and value-added reuse
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Self-healing materials with the ability to autonomously repair damages exhibit numerous applications in various areas, e.g., surface protection coatings, healthcare materials, and so forth, since they can extend their lifetime and reduce maintenance costs.

The present Special Issue aims to collect featured research and review articles on all aspects of self-healing materials, including preparation, characterization, processing, property, and application. Its main scope covers, but is not limited to, the following aspects:

  • The design and synthesis of self-healing materials;
  • The structure characterization of self-healing materials;
  • Mechanisms of the self-healing capacity;
  • The structure–property relationship;
  • Modeling processing engineering of self-healing materials;
  • Applications of self-healing materials;
  • Service evaluation of self-healing materials；
  • Recycling of self-healing materials.

Topics include but are not limited to:

  • Materials preparation;
  • Multiscale structures;
  • Structure regulation;
  • Processing techniques and applications;
  • Structure and properties
  • Rubbers, plastics, and fibers;
  • Coatings and thin films.

We kindly invite you to submit your work to this Special Issue. Full papers, communications, and reviews are all welcome.

Prof. Dr. Shouke Yan
Prof. Dr. Xuming Xie
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. Materials 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 2600 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

  • homopolymers
  • copolymers
  • biopolymers
  • conjugated polymers
  • polymer blends
  • polymer composites
  • processing and engineering
  • structure
  • functionalities
  • property
  • characterization

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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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

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19 pages, 4000 KiB  
Article
Experimental Study on Recentering Behavior of Precompressed Polyurethane Springs
by Young-Hun Ju, Iman Mansouri and Jong-Wan Hu
Materials 2022, 15(10), 3514; https://doi.org/10.3390/ma15103514 - 13 May 2022
Viewed by 1451
Abstract
Traditional seismic design has a limitation in that its performance is reduced by significant permanent deformation after plastic behavior under an external load. The recentering characteristics of smart materials are considered to be a means to supplement the limitations of conventional seismic design. [...] Read more.
Traditional seismic design has a limitation in that its performance is reduced by significant permanent deformation after plastic behavior under an external load. The recentering characteristics of smart materials are considered to be a means to supplement the limitations of conventional seismic design. In general, the recentering characteristics of smart materials are determined by their physical properties, whereas polyurethane springs can regulate the recentering characteristics by controlling the precompression strain. Therefore, in this study, 160 polyurethane spring specimens were fabricated with compressive stiffness, specimen size, and precompression strain as design variables. The compression behavior and precompression behavior were studied by performing cyclic loading tests on a polyurethane spring. The maximum stress and maximum strain of the polyurethane spring showed a linear relationship. Precompression and recentering forces have an almost perfect linear relationship, and the optimal level of precompression at which residual strain does not occur was derived through regression analysis. Additionally, a prediction model for predicting recentering force based on the linear relationship between precompression and recentering force was presented. Full article
(This article belongs to the Special Issue Advances in Self-Healing Materials)
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Review

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15 pages, 1321 KiB  
Review
Advances and Progress in Self-Healing Hydrogel and Its Application in Regenerative Medicine
by Wei Zhu, Jinyi Zhang, Zhanqi Wei, Baozhong Zhang and Xisheng Weng
Materials 2023, 16(3), 1215; https://doi.org/10.3390/ma16031215 - 31 Jan 2023
Cited by 26 | Viewed by 3405
Abstract
A hydrogel is a three-dimensional structure that holds plenty of water, but brittleness largely limits its application. Self-healing hydrogels, a new type of hydrogel that can be repaired by itself after external damage, have exhibited better fatigue resistance, reusability, hydrophilicity, and responsiveness to [...] Read more.
A hydrogel is a three-dimensional structure that holds plenty of water, but brittleness largely limits its application. Self-healing hydrogels, a new type of hydrogel that can be repaired by itself after external damage, have exhibited better fatigue resistance, reusability, hydrophilicity, and responsiveness to environmental stimuli. The past decade has seen rapid progress in self-healing hydrogels. Self-healing hydrogels can automatically self-repair after external damage. Different strategies have been proposed, including dynamic covalent bonds and reversible noncovalent interactions. Compared to traditional hydrogels, self-healing gels have better durability, responsiveness, and plasticity. These features allow the hydrogel to survive in harsh environments or even to be injected as a drug carrier. Here, we summarize the common strategies for designing self-healing hydrogels and their potential applications in clinical practice. Full article
(This article belongs to the Special Issue Advances in Self-Healing Materials)
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21 pages, 5727 KiB  
Review
Advances and Challenges of Self-Healing Elastomers: A Mini Review
by Jun Xu, Lei Zhu, Yongjia Nie, Yuan Li, Shicheng Wei, Xu Chen, Wenpeng Zhao and Shouke Yan
Materials 2022, 15(17), 5993; https://doi.org/10.3390/ma15175993 - 30 Aug 2022
Cited by 15 | Viewed by 3247
Abstract
In the last few decades, self-healing polymeric materials have been widely investigated because they can heal the damages spontaneously and thereby prolong their service lifetime. Many ingenious synthetic procedures have been developed for fabricating self-healing polymers with high performance. This mini review provides [...] Read more.
In the last few decades, self-healing polymeric materials have been widely investigated because they can heal the damages spontaneously and thereby prolong their service lifetime. Many ingenious synthetic procedures have been developed for fabricating self-healing polymers with high performance. This mini review provides an impressive summary of the self-healing polymers with fast self-healing speed, which exhibits an irreplaceable role in many intriguing applications, such as flexible electronics. After a brief introduction to the development of self-healing polymers, we divide the development of self-healing polymers into five stages through the perspective of their research priorities at different periods. Subsequently, we elaborated the underlying healing mechanism of polymers, including the self-healing origins, the influencing factors, and direct evidence of healing at nanoscopic level. Following this, recent advance in realizing the fast self-healing speed of polymers through physical and chemical approaches is extensively overviewed. In particular, the methodology for balancing the mechanical strength and healing ability in fast self-healing elastomers is summarized. We hope that it could afford useful information for research people in promoting the further technical development of new strategies and technologies to prepare the high performance self-healing elastomers for advanced applications. Full article
(This article belongs to the Special Issue Advances in Self-Healing Materials)
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