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Advances in Flame Retardant Materials: Designs, Properties and Applications

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

Deadline for manuscript submissions: 20 November 2025 | Viewed by 754

Special Issue Editor


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Guest Editor
Laboratory of Polymeric & Composite Materials, Materia Nova Research Center, Avenue Nicolas Copernic 3, B-7000 Mons, Belgium
Interests: (bio)polymers; flame retardancy; polymer recycling; (nano)composites; reactive extrusion
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Special Issue Information

Dear Colleagues,

Scientific research on fire-retardant materials is advancing rapidly, driven by continuous innovation and emerging safety challenges. The scientific community is actively developing novel flame-retardant systems, exploring new molecules, and enhancing synergies between components while deepening the understanding of their mechanisms of action. The increasing adoption of electric mobility, energy storage systems, and other advanced technologies further amplifies the need for effective fire safety solutions.

To support this evolving field, the Special Issue “Advances in Flame Retardant Materials: Designs, Properties and Applications” is now open for submissions. As Guest Editor, I invite researchers to contribute original studies on the design and development of innovative flame-retardant materials, performance evaluation, and mechanistic insights. This Special Issue aims to highlight cutting-edge advancements and foster knowledge exchange within the scientific community to address the growing challenges of fire safety.

Dr. Fouad Laoutid
Guest Editor

Manuscript Submission Information

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Keywords

  • renewable flame retardants
  • eco-friendly fire protection
  • (nano)composites
  • fiber-reinforced composites
  • coatings
  • textile
  • electric vehicle (EV) safety
  • battery fire protection

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Published Papers (1 paper)

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Research

30 pages, 4865 KiB  
Article
Thermal Behavior and Smoke Suppression of Polyamide 6,6 Fabric Treated with ALD-ZnO and DOPO-Based Silane
by Wael Ali, Raphael Otto, Ana Raquel Lema Jimenez, Sebastian Lehmann, Eui-Young Shin, Ying Feng, Milijana Jovic, Sabyasachi Gaan, Jochen S. Gutmann, Kornelius Nielsch, Amin Bahrami and Thomas Mayer-Gall
Materials 2025, 18(13), 3195; https://doi.org/10.3390/ma18133195 - 7 Jul 2025
Viewed by 569
Abstract
Polyamide 6,6 (PA6,6) fabrics are widely used in textiles due to their high mechanical strength and chemical stability. However, their inherent flammability and melting behavior under fire pose significant safety challenges. In this study, a dual-layer flame-retardant system was developed by integrating atomic [...] Read more.
Polyamide 6,6 (PA6,6) fabrics are widely used in textiles due to their high mechanical strength and chemical stability. However, their inherent flammability and melting behavior under fire pose significant safety challenges. In this study, a dual-layer flame-retardant system was developed by integrating atomic layer deposition (ALD) of ZnO with a phosphorus–silane-based flame retardant (DOPO-ETES). ALD allowed precise control of ZnO layer thickness (50, 84, and 199 nm), ensuring uniform coating. Thermal analysis (TGA) and microscale combustion calorimetry (MCC) revealed that ZnO altered the degradation pathway of PA6,6 through catalytic effects, promoting char formation and reducing heat release. The combination of ZnO and DOPO-ETES resulted in further reductions in heat release rates. However, direct flame tests showed that self-extinguishing behavior was not achieved, emphasizing the limitations related to the melting of PA6,6. TG-IR and cone calorimetry confirmed that ZnO coatings suppressed the release of smoke-related volatiles and incomplete combustion products. These findings highlight the potential of combining metal-based catalytic flame retardants like ZnO with phosphorus-based coatings to improve flame retardancy while addressing the specific challenges of polyamide textiles. This approach may also be adapted to other fabric types and integrated with additional flame retardants, broadening its relevance for textile applications. Full article
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