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

IF 7.3 2区材料科学 Q1 CHEMISTRY, APPLIED Progress in Organic Coatings Pub Date : 2025-05-01 Epub 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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提高防火安全性和透明度：植酸基阻燃涂料与二氧化硅对聚丙烯酸酯基材的协同作用

透明阻燃涂料由于其在提高防火安全性的同时保持美观性的潜在应用而引起了人们的广泛关注。本文研究了以植酸（PA）和双氰胺（DICY）为原料合成的磷-氮（PN）协同阻燃体系PD的合成和表征。通过XPS、FTIR、TGA、SEM-EDS、锥量热等实验分析，探讨了PD/SiO2复合材料的阻燃性能及其机理。结果表明，PD/SiO2的掺入有效提高了聚丙烯酸酯涂料的阻燃性能，表现出良好的气相和凝聚相阻燃效果。该涂料表现出优异的稳定性、兼容性和与聚丙烯酸酯基材的附着力，同时保持高水平的透光率和机械性能。此外，优化后的配方具有更好的耐水性，并符合严格的阻燃标准，如LOI和UL-94。该研究强调了透明阻燃涂料在各个行业的潜力，并强调了进一步优化和实际应用的途径。

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文献相关原料

公司名称

产品信息

麦克林

α-Methphenylene acid (MAA)

麦克林

α-Methphenylene acid (MAA)

阿拉丁

OP-10 emulsifier

阿拉丁

phytic acid

阿拉丁

dicyandiamide

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.