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Manufacturing of Polymer-Based Materials with Specific Thermal Properties

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

Deadline for manuscript submissions: closed (28 February 2026) | Viewed by 1873

Special Issue Editors


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Guest Editor
Department of Energy Conversion Engineering, Faculty of Mechanical and Power Engineering, Wroclaw University of Science and Technology, 27 Wybrzeze Wyspianskiego Street, 50-370 Wroclaw, Poland
Interests: 3D printing; composites; bioplastics; printing technology; PCM thermal insulation; porous materials; biocomposites; cellular materials; thermal conductivity; energy performance of buildings; heat exchangers; food preservation; 3D-printed food packaging; sustainability
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Department of Lightweight Elements Engineering, Foundry and Automation, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 27 Wybrzeze Wyspianskiego Street, 50-370 Wroclaw, Poland
Interests: flame retardancy of thermoplastic polymers; swelling coatings; screw processing of polymers; modeling of the extrusion and injection process (plasticization stage); production of FDM composite filaments; production of insulating elements (blocks) from waste thermoplastics and post-consumer and post-production waste such as sawdust; tetrapak cardboard; rubber waste

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Guest Editor
Faculty of Mechanical Engineering, Czestochowa University of Technology, Armii Krajowej St. 21, 42-201 Czestochowa, Poland
Interests: mechanical properties of thermoplastic materials; thermoplastic composites; methods of polymer testing; thermal analysis of polymers; DSC; DMTA; TGA; STA; polymer processing technologies; injection molding; extrusion molding; recycling technologies; recyclate properties testing

Special Issue Information

Dear Colleagues,

We are pleased to announce a new Special Issue entitled Manufacturing of Polymer-Based Materials with Specific Thermal Properties, focusing on advances in the design, synthesis, and processing of polymer materials with tailored thermal properties. The issue will emphasize strategies to enhance thermal conductivity and stability, as well as passive and active heat management methods.

Major topic areas include the following:

  • Polymer composites with nanofillers (e.g., carbon nanotubes, metal oxides, and graphene) that enable high thermal conductivity (>10 W/m·K);
  • Engineering the morphology and chemistry of polymer chains (e.g., controlling the degree of orientation and modifying side functional groups) to affect thermal anisotropy;
  • Advanced processing techniques (e.g., 3D FDM printing, SLA, and laser sintering), which allow for localized variation in the thermal properties of components;
  • Modeling and molecular simulations of thermal conductivity in heterogeneous polymer structures;
  • Hybrid polymer–metal and polymer–ceramic systems are also covered as they offer a combination of mechanical, electrical, and thermal properties;
  • Flame retardancy of polymeric materials using novel flame retardant compositions and elucidating their mechanisms.

The research also covers the modeling and molecular simulations of thermal conductivity in heterogeneous polymer structures.

It demonstrates how polymeric materials can be designed for thermal management applications in electronics, photovoltaic cells, thermal insulation, and structural materials by selecting optimal fillers, internal structures, and processing technologies.

Dr. Beata Anwajler
Dr. Jacek Iwko
Prof. Dr. Przemysław Postawa
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 250 words) can be sent to the Editorial Office for assessment.

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

  • polymer composites
  • advanced processing techniques
  • thermal properties
  • polymer modification
  • nanofillers
  • flame retardancy
  • insulation materials
  • IFR
  • intumescent coatings

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Published Papers (2 papers)

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Research

25 pages, 2268 KB  
Article
Microstructural and Thermo-Optical Properties of Cassava and Gellan Gum Films: A Photoacoustic Study
by Ámbar Belén Ortega-Rubio, José Abraham Balderas-López and Mónica Rosalía Jaime-Fonseca
Polymers 2026, 18(3), 313; https://doi.org/10.3390/polym18030313 - 23 Jan 2026
Viewed by 573
Abstract
The growing global production of plastic, which reached 460 million tonnes in 2022 and has projections of 5.4 million tonnes of waste by 2050 without intervention, has created a severe environmental crisis that demands the development of sustainable alternatives. In this context, this [...] Read more.
The growing global production of plastic, which reached 460 million tonnes in 2022 and has projections of 5.4 million tonnes of waste by 2050 without intervention, has created a severe environmental crisis that demands the development of sustainable alternatives. In this context, this study aims to characterise biodegradable films based on cassava starch and gellan gum, combining microstructural and mechanical properties with the evaluation of thermo-optical parameters. An important advance was the pioneering application of a self-normalised photoacoustic technique, used for the first time to measure thermal diffusivity (0.0013 ± 0.0002 cm2/s) and optical absorption coefficients (at 660 nm) as a function of different concentrations of aniline blue. The results validate the material, which showed high solubility (89.23 ± 1.03%) and crystallinity of 27.40 ± 1.68%. The film demonstrated remarkable biodegradability, losing almost all of its weight (98.30 ± 1.01%) in just 15 days. The measurement of the optical absorption coefficients (at 660 nm) confirmed a linear relationship with the concentration of aniline, validating Beer–Lambert’s law and providing the absorptivity of the dye within the solid matrix—something inaccessible with conventional methods. In conclusion, these films offer significant potential as a viable ecological substitute for single-use plastics, contributing significantly to mitigating the global impact of plastic waste. Full article
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18 pages, 5063 KB  
Article
Analysis of the Effect of Transition-Metal Oxide Content on Reducing the Flammability of Polypropylene
by Jacek Iwko, Beata Anwajler, Roman Wróblewski, Oliwia Trzaska, Przemysław Postawa and Tomasz Jaruga
Polymers 2025, 17(20), 2734; https://doi.org/10.3390/polym17202734 - 12 Oct 2025
Cited by 1 | Viewed by 928
Abstract
Polypropylene (PP) exhibits high flammability (LOI ≈ 17.5%), which limits its industrial applications. Previous studies have primarily focused on the flame-retardant mechanisms of intumescent flame-retardant (IFR) systems, while less attention has been given to the role of inorganic synergistic additives in balancing flame [...] Read more.
Polypropylene (PP) exhibits high flammability (LOI ≈ 17.5%), which limits its industrial applications. Previous studies have primarily focused on the flame-retardant mechanisms of intumescent flame-retardant (IFR) systems, while less attention has been given to the role of inorganic synergistic additives in balancing flame retardancy with mechanical performance—an aspect crucial for commercial applications This study investigated the effect of small additions of zinc oxide (ZnO) and manganese oxide (MnO) on the flame-retardant, mechanical, and thermal properties of PP/IFR (APP + PER) composites. The oxide content was varied between 0 and 2 wt.%. LOI and UL-94 tests showed that as little as 0.25 wt.% increased LOI to 30% and enabled all materials to achieve a UL-94 V-0 classification. The highest performance was observed for ZnO (LOI = 43.7% at 1.5 wt.%), while MnO induced a linear increase up to 38.6% at 2 wt.%. SEM analysis confirmed the formation of a compact, foamed char layer. Mechanical testing revealed improved stiffness (~15%) and flexural strength (~20%), with unchanged tensile strength but reduced impact strength (−50% for ZnO, −30% for MnO). The HDT increased from 55 °C to 65 °C. These findings demonstrate that small amounts of ZnO and MnO act as effective and economically viable IFR synergists in PP composites. Full article
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