Advances in Composite Gels (3rd Edition)

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Processing and Engineering".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 704

Special Issue Editor

Special Issue Information

Dear Colleagues,

Generally, polymer gels prepared by conventional methods are mechanically weak and brittle. To overcome their drawbacks, various composite gels have been developed. For example, the incorporation of nanofillers, such as inorganic nanoparticles or nanofibers, into polymer gels allows for the enhancement of mechanical performance. Advanced composite gels exhibit unique properties, such as stimuli-responsive properties, self-healing, excellent electrochemical properties, and excellent mechanical properties. Composite gels with unique functionalities offer potential applications in various fields, such as electrochemistry, cosmetics, biomedical tissue engineering, sensors, drug delivery systems, and soft actuators; however, the fabrication of composite gels with desirable functionalities remains a challenging problem.

We have previously announced two editions of this topic. We appreciate the support of all authors, reviewers, and readers; you can access these articles for free via the following links:

https://www.mdpi.com/journal/gels/special_issues/Composite_Gels.
https://www.mdpi.com/journal/gels/special_issues/7J8VU52Y24.

This renewed Special Issue will still focus on recent research and advances in composite gels, such as polymer–inorganic composite gels, polymer–nanofiber composite gels, bio-based composite gels, and composite ion gels. Additionally, we welcome contributions regarding the structural analysis of composite gels, modeling, and simulation.

Prof. Dr. Shinya Inazumi
Guest Editor

Manuscript Submission Information

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Keywords

  • nanocomposite hydrogels
  • bio-based composite hydrogels
  • organic–inorganic composite hydrogels

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Published Papers (1 paper)

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16 pages, 5502 KiB  
Article
Hydration Mechanisms of Gelled Paste Backfills for Potash Mines Using Lime as a Gel Material
by Rongzhen Jin, Xue Wang, Xuming Ma, Huimin Huo, Siqi Zhang, Jiajie Li and Wen Ni
Gels 2024, 10(12), 832; https://doi.org/10.3390/gels10120832 - 18 Dec 2024
Viewed by 575
Abstract
This paper investigates the flow performance and mechanical properties of underground gelled filling materials made from potash mine tailings, using lime as a gel. It demonstrates the feasibility of using lime as a gel, potash mine tailings as aggregate, and replacing water with [...] Read more.
This paper investigates the flow performance and mechanical properties of underground gelled filling materials made from potash mine tailings, using lime as a gel. It demonstrates the feasibility of using lime as a gel, potash mine tailings as aggregate, and replacing water with potash mine tailings to create filling materials that meet design requirements for flow and compressive strength. The role of lime in the hardening process is explored through X-ray diffraction, scanning electron microscopy with energy-dispersive X-ray spectroscopy, thermogravimetric analysis, and infrared analysis. Results show that hydration products vary with lime dosage. With 9% lime (L9), the products are primarily ghiaraite (CaCl2·4H2O) and carnallite (KMgCl3·6H2O); with 5% lime (L5), tachyhydrite (CaMg2Cl6·12H2O) predominates, along with minor amounts of antarcticite (CaCl2·6H2O) and korshunovskite (Mg2Cl(OH)3·4H2O); and with 2.6% lime (L2.6), the products include tachyhydrite, ghiaraite, bischofite (MgCl2·6H2O), and korshunovskite. These hydration products form a dense, interwoven structure, enhancing the strength of the filling material. This study offers a theoretical foundation for using lime gel as a filling material in potash mining, with significant implications for sustainable mining practices. Full article
(This article belongs to the Special Issue Advances in Composite Gels (3rd Edition))
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