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Fire
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Recent Developments in Flame Retardant Materials, 2nd Edition
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Recent Developments in Flame Retardant Materials, 2nd Edition

A special issue of Fire (ISSN 2571-6255).

Deadline for manuscript submissions: 31 March 2027 | Viewed by 469

Special Issue Editors

Prof. Dr. Yan Ding

E-Mail Website
Guest Editor
Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China
Interests: flame retardant; pyrolysis; lithium-ion battery thermal management
Special Issues, Collections and Topics in MDPI journals
Dr. Kaili Gong

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
Interests: flame retardant materials/polymers
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Keqing Zhou

E-Mail Website
Guest Editor
Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China
Interests: flame retardants; functionalized aerogels; emergency disposal of hazardous chemicals; grouting materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The inherent flammability of combustible materials, which have been widely used in construction, transportation, and household products, poses a significant threat to our society. The incorporation of flame retardants to these combustible solids provides an effective solution to this problem. Currently, various flame retardant formulations are being developed and used in clothing, firefighting, military defense, petrochemicals and other fields, including phosphorus, nitrogen, silicon, boron and metal hydroxide-containing flame retardant materials. An in-depth understanding of the flame retardancy mechanism and advances in the development of highly efficient and eco-friendly flame retardant materials could contribute to a reduction in both the frequency and severity of fire events.

This Special Issue aims to present the most advances related to the experiments, modeling, and theoretical work on the development of flame retardant materials. In this Special Issue, both original articles and reviews are welcome. Topics of interest for publication include, but are not limited to, the following:

  • The design and development of flame retardant materials;
  • Material flammability and flame retardancy;
  • Pyrolysis and the flame spread modeling of flame retardant materials;
  • Flame retardant coating;
  • Future perspectives on flame retardant materials/polymers;
  • Research techniques that combine experiments and numerical modeling.

Prof. Dr. Yan Ding
Dr. Kaili Gong
Prof. Dr. Keqing Zhou
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. Fire is an international peer-reviewed open access monthly 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 2400 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

  • flame retardant mechanism
  • flame retardant materials
  • material flammability
  • pyrolysis/flame spread modeling

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Related Special Issue

Published Papers (1 paper)

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Research

17 pages, 5477 KB  
Article
Synergistic Effect of Magnesium Borate Whiskers on Antidripping and Fire Resistance of Intumescent Flame Retardant Polypropylene Composites
by Zihan Lu, Jiachen Zhu, Zi Wang, Lu Liu, Benjamin Tawiah, Long Yan and Bin Yu
Fire 2026, 9(4), 171; https://doi.org/10.3390/fire9040171 - 17 Apr 2026
Viewed by 54
Abstract
The development of high-performance flame-retardant (FR) polypropylene (PP) with high mechanical integrity remains a challenge. Herein, we demonstrate a synergistic flame retardancy system for PP achieved via partial substitution of piperazine pyrophosphate (PAPP) with 1 wt.% magnesium borate whiskers (MBW) for improved flame [...] Read more.
The development of high-performance flame-retardant (FR) polypropylene (PP) with high mechanical integrity remains a challenge. Herein, we demonstrate a synergistic flame retardancy system for PP achieved via partial substitution of piperazine pyrophosphate (PAPP) with 1 wt.% magnesium borate whiskers (MBW) for improved flame retardancy, and thermal and mechanical properties. The optimized PP/24PAPP/1MBW exhibits exceptional FR performance, driven by the formation of a highly ordered, continuous phosphorus–boron hybrid char in the condensed phase. Cone calorimetry test results reveal an 80% reduction in peak heat release rate, a 54% reduction in total heat release, and a 33% reduction in total smoke production compared to neat PP, while the UL-94 test confirms a V-0 rating with complete suppression of flaming drips. Morphological study of the char residue using Raman spectroscopy and SEM attributes this performance to enhanced char graphitization and structural coherence enabled by boron-mediated cross-linking. More importantly, this transformative flame retardancy performance is achieved without severe compromise to mechanical properties, retaining over 89% of the original tensile strength. This work confirms the PAPP/MBW system as a highly efficient, low-additive approach to creating advanced fire-safe polymer composites for engineering applications. Full article
(This article belongs to the Special Issue Recent Developments in Flame Retardant Materials, 2nd Edition)
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