Enhancing fire safety and transparency: Phytic acid-based flame-retardant coatings with silicon dioxide synergistic effect for polyacrylate substrates

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-02-17 DOI:10.1016/j.porgcoat.2025.109140

Fei Hu, Yu Cai, Yuhui Xie, Hui Jiang, Feng Wu, Dong Feng, Yang Meng, Yi Mei, Delong Xie

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Abstract

The development of transparent flame-retardant coatings has garnered significant attention due to their potential applications in enhancing fire safety while maintaining aesthetic appeal. This study investigates the synthesis and characterization of a phosphorus‑nitrogen (PN) synergistic flame-retardant system, referred to as PD, which is synthesized from phytic acid (PA) and dicyandiamide (DICY) for polyacrylate substrates. Through a series of experimental analyses including XPS, FTIR, TGA, SEM-EDS, and cone calorimetry, the flame-retardant efficacy and mechanisms of the PD/SiO₂ composite were investigated. The results demonstrate that the incorporation of PD/SiO₂ effectively enhances the flame retardancy of polyacrylate coatings, manifesting promising gas-phase and condensed-phase flame retardant effects. The coatings exhibit excellent stability, compatibility, and adhesion with polyacrylate substrates, while maintaining high levels of light transmittance and mechanical properties. Moreover, the optimized formulations show improved water resistance and meet stringent flame-retardant standards such as LOI and UL-94. The study underscores the potential of transparent flame-retardant coatings in various industries and highlights avenues for further optimization and practical application.

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.