Flame-retardant and fire-warning cotton composite fabrics based on the thermoelectric effect of polypyyrole doped with P-toluenesulfonic acid

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2023-10-31 DOI:10.1007/s42114-023-00781-7

Tao Zou, Dongqiao Zhang, Kuangyu Shen, Zhenduo Huang, Tao Xu, Xiaohong Peng, He Zhang, Yanliang Du, Luyi Sun

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引用次数: 0

Abstract

Recently, many efforts have been devoted to studying early-stage fire-warning materials (EFWMs). Among those, thermoelectric effect-based EFWM (TE-EFWMs) are particularly attractive because they are self-powered and intrinsically sensitive to temperature. However, none of the reported fire-warning response times of TE-EFWMs can reach 1.0 s. Herein, flame-retardant composite cotton fabrics with speedy and repeatable fire warning function (denoted as CF-TE-FR) were constructed by in-situ polymerized polypyrrole (PPy) doped with P-toluenesulfonic acid (PTSA) and a flame retardant composite layer composed of sodium montmorillonite (MMT) and ammonium polyphosphate (APP). The fire warning performance of CF-TE-FR was effectively enhanced through PTSA doping, and the fire warning response time was shortened with an increasing concentration of PTSA. The fire warning indicator could be triggered as fast as 0.8 s when the molar ratio of PTSA to pyrrole monomer reached 1:3. Meanwhile, all the CF-TE-FR samples could release the fire-warning signals repeatedly. This work proposes a facile approach to the fabrication and application of organic thermoelectric polymer-based materials with ultrafast fire-warning response, repeatable fire-warning capability, and excellent flame retardancy.

Graphical abstract

Flame-retardant cotton fabrics based on the thermoelectric effect of polypyrrole demonstrate speedy and repeatable fire warning function.

Abstract Image

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基于对甲苯磺酸掺杂聚吡咯热电效应的阻燃防火棉复合织物

近年来，人们对早期火灾预警材料进行了大量的研究。其中，基于热电效应的EFWM (te -EFWM)因其自供电和对温度的内在敏感性而特别具有吸引力。然而，所有报道的TE-EFWMs火灾预警响应时间都不能达到1.0 s。本文以原位聚合聚吡咯(PPy)掺杂对甲苯磺酸(PTSA)和蒙脱土钠(MMT)和聚磷酸铵(APP)组成的阻燃复合层为材料，构建了具有快速、可重复火灾报警功能的阻燃复合棉织物(CF-TE-FR)。掺加PTSA后，CF-TE-FR的火灾报警性能得到有效增强，随着PTSA浓度的增加，火灾报警响应时间缩短。当PTSA与吡咯单体的摩尔比达到1:3时，火灾报警信号最快在0.8 s内触发。同时，所有CF-TE-FR试样均能多次释放火灾报警信号。本研究提出了一种制造和应用具有超快火灾报警响应、可重复火灾报警能力和优异阻燃性的有机热电聚合物基材料的简便方法。摘要基于聚吡咯热电效应的阻燃棉织物具有快速、可重复的火灾报警功能。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.