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一种新型线性α,ω-二（氯磷酰胺）聚二甲基硅氧烷的合成及其在改善棉织物阻燃和拒水性能方面的应用。

Synthesis of a Novel Linear α, ω-Di (Chloro Phosphoramide) Polydimethylsiloxane and Its Applications in Improving Flame-Retardant and Water-Repellent Properties of Cotton Fabrics.

作者信息

Dong Chaohong, Sun Ling, Ma Xingbo, Lu Zhou, He Pengshuang, Zhu Ping

机构信息

Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Textile and Clothing, Qingdao University, Qingdao 266000, China.

出版信息

Polymers (Basel). 2019 Nov 7;11(11):1829. doi: 10.3390/polym11111829.

DOI:10.3390/polym11111829
PMID:31703328
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6918139/
Abstract

A novel linear α, ω-di (chloro phosphoramide)-terminated polydimethylsiloxane (CPN-PDMS) was successfully synthesized and utilized as a formaldehyde-free water-repellent and flame-retardant for cotton fabrics. The flame retardancy of treated cotton fabrics was estimated by limiting oxygen index (LOI) test, vertical flammability test, and cone calorimetry test. The cotton fabrics treated with 350 g/L CPN-PDMS obtained excellent flame retardancy with an LOI value of 30.6% and the char length was only 4.3 cm. Combustion residues were studied using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS) analysis. Results show that CPN-PDMS can effectively enhance water repellency and fire resistance of cotton fabrics. Furthermore, the breaking strength test and the whiteness test strongly prove that the tensile strength and whiteness of the treated cotton fabrics were slightly lower than that of the pure cotton fabrics. The wash stability test showed that after 30 laundering cycles, the treated cotton fabrics still had an LOI value of 28.5% and a water-repellent effect of grade 80, indicating that CPN-PDMS was an excellent washing durability additive. In summary, these property enhancements of treated cotton fabrics were attributed to the synergistic effect of silicon-phosphorus-nitrogen elements in CPN-PDMS.

摘要

一种新型的线性α,ω-二（氯磷酰胺）封端的聚二甲基硅氧烷（CPN-PDMS）被成功合成，并用作棉织物的无甲醛拒水和阻燃剂。通过极限氧指数（LOI）测试、垂直燃烧性测试和锥形量热法测试来评估处理后棉织物的阻燃性。用350 g/L CPN-PDMS处理的棉织物获得了优异的阻燃性，极限氧指数值为30.6%，炭长仅为4.3厘米。使用傅里叶变换红外光谱（FTIR）、扫描电子显微镜（SEM）和能量色散光谱（EDS）分析对燃烧残渣进行了研究。结果表明，CPN-PDMS能有效提高棉织物的拒水性和耐火性。此外，断裂强度测试和白度测试有力地证明，处理后棉织物的拉伸强度和白度略低于纯棉织物。洗涤稳定性测试表明，经过30次洗涤循环后，处理后的棉织物仍具有28.5%的极限氧指数值和80级的拒水效果，表明CPN-PDMS是一种优异的耐洗耐久性添加剂。总之，处理后棉织物的这些性能提升归因于CPN-PDMS中硅-磷-氮元素的协同作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/9a070d9cfef5/polymers-11-01829-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/507280e248e8/polymers-11-01829-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/e4d20dc18f89/polymers-11-01829-g004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/9a070d9cfef5/polymers-11-01829-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/e18317164f74/polymers-11-01829-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/6ec132b701ab/polymers-11-01829-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/0edd7ed7b367/polymers-11-01829-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/03688c3629e1/polymers-11-01829-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/507280e248e8/polymers-11-01829-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/a6baa3a3bfc7/polymers-11-01829-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/e4d20dc18f89/polymers-11-01829-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/211ccfd98d1a/polymers-11-01829-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/d030aa88d6a7/polymers-11-01829-g006.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c953/6918139/9a070d9cfef5/polymers-11-01829-g009.jpg

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