Durable Flame-Retardant Cotton Fabric Modified by a Novel Reactive P-N Intumescent Flame Retardant

IF 2 4区工程技术 Q3 ENGINEERING, CHEMICAL

Advances in Polymer Technology Pub Date : 2023-07-07 DOI:10.1155/2023/4359057

Denghui Wu, Xinhang Li, Peihua Zhao

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引用次数: 0

Abstract

A novel reactive P-N intumescent flame retardant tetroxo (3-triethylphosphine-5-chlorine-1-triazine) neopentane (TTCTN) was prepared, and its structure was determined by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR). The flame retardance and physiological comfort properties of TTCTN-treated cotton fabrics (TTCTN-CF) was researched. The CF treated with 20 wt% TTCTN (TTCTN(20)-CF) showed the limiting oxygen index (LOI) was up to 28.6%, and the flame retardancy reached the class B1 of national standard of flame retardant fabrics, and its peak heat release rate and total heat release were reduced by 55.7% and 37.4% comparing with untreated CF, respectively. The FTIR proved the TTCTN was grafted on the CF matrix. Thermogravimetric (TG) showed TTCTN could reduce the decomposition speed of the cotton fabric and formed the stable char residue at high temperature to protect the remaining CF from complete dehydration. After 50 washing cycles, the LOI of TTCTN(20)-CF was 26.2%, still reaching class B1 of national standard of flame retardant fabrics. Scanning electron microscope showed the TTCTN was still bounded to the matrix of CF after 50 washing cycles which further proved TTCTN(20)-CF had excellent durable flame retardancy.

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新型反应性P-N膨胀阻燃剂改性耐久阻燃棉织物

制备了一种新型反应性P-N膨胀型阻燃剂四（3-三乙基膦-5-氯-1-三嗪）新戊烷（TTCTN），并用傅立叶变换红外光谱（FTIR）和核磁共振（NMR）对其结构进行了测定。研究了经TTCTN处理的棉织物（TTCTN-CF）的阻燃性能和生理舒适性能。用20 wt%TTCTN（20）-CF的极限氧指数（LOI）高达28.6%，阻燃性能达到国家阻燃织物标准B1级，其峰值放热率和总放热率分别比未处理的CF降低55.7%和37.4%。红外光谱证明TTCTN接枝在CF基体上。热重分析（TG）表明，TTCTN可以降低棉织物的分解速度，并在高温下形成稳定的残炭，以保护剩余的CF不完全脱水。经过50次洗涤，TTCTN（20）-CF的LOI为26.2%，仍达到阻燃织物国家标准B1级。扫描电子显微镜显示，经过50次洗涤循环，TTCTN仍然与CF基体结合，这进一步证明了TTCTN（20）-CF具有优异的持久阻燃性。

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来源期刊

Advances in Polymer Technology 工程技术-高分子科学

CiteScore

5.50

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Advances in Polymer Technology publishes articles reporting important developments in polymeric materials, their manufacture and processing, and polymer product design, as well as those considering the economic and environmental impacts of polymer technology. The journal primarily caters to researchers, technologists, engineers, consultants, and production personnel.