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Research on Thermal Stability and Degradation of Polymers and Their Potential Use in a Circular Economy Development

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

Deadline for manuscript submissions: 10 October 2025 | Viewed by 581

Special Issue Editors


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Guest Editor
Department of Chemistry and Technology of Polymers, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland
Interests: thermal stability and degradation of polymers and polymer composites; identification of pyrolysis products by Py-GC/MS and TGA-FT-IR techniques; synthesis and characterization of liquid crystalline polyurethanes and non-isocyanate polyurethanes (NIPU)

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Guest Editor
1. Department of Chemistry and Technology of Polymers, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland
2. Interdisciplinary Center for Circular Economy, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland
Interests: thermal degradation; pyrolysis processes; flammability; circular economy; (bio)polymer composites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Thermal stability and degradation routes often decide whether new materials exhibit applicative potential and fulfil market demands. Currently, the development of novel materials must meet additional requirements such as enhancing the life cycle of polymers and promoting a circular economy. The investigation of thermal degradation processes, including theoretical modelling prediction and the characterization of degradation products, enables the full life cycle of new materials to be addressed, with a focus on maximizing their use after the end of their performance.

Degradation reactions occur during processing when polymers are subjected to heat, oxygen and mechanical stresses, and during the lifetime of the materials, when oxygen and sunlight are the most important initiators of degradation. In addition, there have also been new developments in polymer technology in which degradation processes are beneficial. One area of development is biopolymers and their comparison with traditional materials in terms of degradation characteristics. The purpose of this Special Issue is to provide a comprehensive understanding of the degradation processes of polymeric materials in order to design and close reuse and sustainability loops.

Therefore, contributions to this Special Issue may cover all recent advances related to the thermal stability of polymers, the modelling of the degradation process and the characterization of degradation products, emphasizing possible applications in material recycling.

Dr. Artur Bukowczan
Dr. Tomasz M. Majka
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

  • thermal stability
  • pyrolysis
  • degradation kinetics
  • recycling
  • biopolymers
  • sustainability
  • circular economy

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Published Papers (1 paper)

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Research

17 pages, 3853 KiB  
Article
Analysis of the Structural, Chemical, and Mechanical Characteristics of Polyurethane Foam Infused with Waste from Thermal Processing
by Anna Magiera, Monika Kuźnia and Wojciech Jerzak
Materials 2025, 18(6), 1327; https://doi.org/10.3390/ma18061327 - 17 Mar 2025
Viewed by 253
Abstract
The continuous generation of agricultural, industrial, and urban waste necessitates effective waste management strategies. One promising approach is incorporating these residues as fillers in polymer composites. This study investigated the influence of coal processing-derived fillers, specifically microspheres and fluidized-bed combustion fly ash, on [...] Read more.
The continuous generation of agricultural, industrial, and urban waste necessitates effective waste management strategies. One promising approach is incorporating these residues as fillers in polymer composites. This study investigated the influence of coal processing-derived fillers, specifically microspheres and fluidized-bed combustion fly ash, on the structure and properties of composite rigid polyurethane foam. Polyurethane foams were produced through manual mixing and casting, with composite foams containing a combination of 5% microspheres and 5–15% fly ash by weight. The analysis of the samples investigated their structural, thermal, and mechanical properties. The samples consistently displayed predominantly pentagonal, regularly shaped cells. Infrared spectroscopy revealed no observable chemical bonding between the matrix and filler materials. Mechanical analysis was performed to evaluate the materials’ characteristics, revealing significant variations in compressive strength and Young’s modulus values. The results indicate that the addition of fillers did not impact the cellular and chemical composition of the polyurethane matrix. Furthermore, the composite material specimens were subjected to accelerated aging in a laboratory dryer and outdoor exposure in order to assess their thermal stability. This analysis revealed notable alterations in both the cellular composition and mechanical properties of the composite foam materials. Full article
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