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High Performance Rubber Materials: From Fundamental to Advanced Applied Science

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

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1737

Special Issue Editor


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Guest Editor
Departamento de Polimeros, Facultad de Ciencias Químicas, Universidad de Concepción, Edmundo Larenas 129, Concepción, Chile
Interests: development of high-performance rubber composites; synthesis and modification of graphene materials
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Special Issue Information

Dear Colleagues,

Rubber has been a strategic material since its discovery, although it was originally obtained exclusively from the Hevea brasiliensis tree. Today, different types of rubber are obtained by different synthetic routes, mainly by copolymerization. In addition to conventional rubbers, there are also specialty rubbers, such as fluorosilicones and fluoroelastomers. The advent of nanotechnology and advanced characterization, not only at the basic science level but also at the applied level, has opened up a multitude of possibilities. This is due to the incorporation of nanomaterials as nanometric fillers. In this way, rubber materials with special properties are being developed for use in various high-tech applications.

Of particular interest are flexible materials with properties such as high permittivity, electrical conductivity, improved mechanical properties, resistance and shielding against ionizing radiation, and shielding against electromagnetic interference.

In this context, a Special Issue is proposed to focus on the development of rubber materials with advanced properties for high-tech applications, which will undoubtedly have several potential applications in technological areas of interest such as energy, aerospace, and electronics, among others.

Dr. Héctor Aguilar Bolados
Guest Editor

Manuscript Submission Information

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Keywords

  • rubbers and elastomers
  • conventional rubbers
  • specialty rubbers
  • nanomaterials
  • polymer composites

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Published Papers (1 paper)

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Review

31 pages, 1619 KiB  
Review
Devulcanization of Waste Tire Rubber via Microwave and Biological Methods: A Review
by Mostafa Vahdatbin, Pouria Hajikarimi and Ellie H. Fini
Polymers 2025, 17(3), 285; https://doi.org/10.3390/polym17030285 - 22 Jan 2025
Viewed by 1484
Abstract
This paper presents a thorough literature review on devulcanization methods applied to waste tire rubber: “microwave devulcanization” and “biological desulfurization”. To do so, 80 papers published from the year 1990 to 2024 in journals with subscription and open access status across 12 databases [...] Read more.
This paper presents a thorough literature review on devulcanization methods applied to waste tire rubber: “microwave devulcanization” and “biological desulfurization”. To do so, 80 papers published from the year 1990 to 2024 in journals with subscription and open access status across 12 databases were reviewed. This paper compares the efficacy and reviews the basic concepts, advantages, processes, and variable parameters of these two methods. In microwave devulcanization, microwave energy breaks the sulfur crosslinks between polymer chains. The latter breakage is mainly enabled by the presence of carbon black in the tire, which is an excellent microwave absorbent. In biological desulfurization, bacteria or fungi convert the crosslinks to elemental sulfur substances or sulfate. In general, microwave devulcanization of rubber leads to a lower crosslink density and thus a higher degree of devulcanization. On the one hand, breaking the crosslinks requires a significantly shorter time than biological desulfurization. Crosslink scission occurs throughout the sample in microwave devulcanization but only on the sample surface in biological desulfurization. Microwave devulcanization is not sensitive to rubber additives and does not require detoxification before devulcanization. On the other hand, biological desulfurization requires detoxification before devulcanization since it involves living organisms that may not tolerate certain rubber additives. Full article
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