通过P/N/Si协同涂层实现透明聚碳酸酯的耐划伤和阻燃性

IF 7.3 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-03-25 DOI:10.1016/j.porgcoat.2025.109247

Zefan Feng , Wei Cai , Jing Gao , Guangyong Jiang , Liangyuan Qi , Jiajun Li , Yuan Hu , Fukai Chu , Weiyi Xing

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引用次数: 0

摘要

透明聚碳酸酯（PC）因其优异的性能而受到越来越多的关注，但在保持透明的同时，如何使PC具有耐刮擦性和阻燃性仍然是一个挑战。本文采用含磷有机胺固化剂（PETA）与环氧低聚硅氧烷（AEOS）和环氧树脂（TGDDM）复合，成功地将透明阻燃涂料应用于PC上。所有样品都具有高透明度和良好的耐划伤性，以及良好的阻燃性和耐火性。PEOS-TG-3涂层的铅笔硬度为4H，附着力等级为4B，具有增强的抗划伤性。PC/PEOS-TG-3的PHRR和THR分别比纯PC低21.4%和30.1%。由于合成方法简单，炭化膨胀效果好，该P/N/Si协同阻燃涂料在聚碳酸酯阻燃防护方面具有很大的应用潜力。这项工作表明，P/N/Si协同体系不仅保证了PC片材的抗划伤性，而且在保证透明度几乎不受影响的情况下，提高了PC片材的阻燃性。这为设计和制备低成本、高阻燃性和耐划伤性的PC涂料提供了可行的解决方案。

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Achieving scratch resistance and flame retardancy in transparent polycarbonate through P/N/Si synergistic coating

Transparent polycarbonate(PC) has attracted more and more attention due to its excellent properties, but it is still a challenge to give PC scratch resistance and flame retardancy while maintaining transparency. Herein, a transparent flame-retardant coating was successfully applied to PC using a phosphorus-containing organic amine curing agent (PETA), combined with epoxyoligosiloxane (AEOS) and epoxy resin (TGDDM). All samples showed high transparency and good scratch resistance, as well as good flame retardancy and fire resistance. The PEOS-TG-3 coating achieved a pencil hardness of 4H and an adhesion rating of 4B, demonstrating enhanced scratch resistance. The PHRR and THR of PC/PEOS-TG-3 was 21.4 % and 30.1 % lower than that of pure PC. Due to its simple synthesis method and effective char expansion, this P/N/Si synergistic flame-retardant coating holds significant potential for applications in flame-retardant protection for polycarbonate. This work demonstrates that the P/N/Si synergistic system not only guarantees the scratch resistance of PC sheets but also improves its flame retardancy while ensuring that the transparency is almost unaffected. This provides a feasible solution for the design and preparation of PC coatings with low cost, high flame retardancy and scratch resistance.

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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.