Highly flame-retarding cotton fabrics with a novel phosphorus/nitrogen intumescent flame retardant

Peihua Zhao; Xinhang Li; Mei Zhang; Shengnan Liu; Wenjun Liang; Yaqing Liu

Korean Journal of Chemical Engineering, Vol.31, No.9, 1592-1597, September, 2014

DOI10.1007/s11814-014-0095-2 Export Citation

Highly flame-retarding cotton fabrics with a novel phosphorus/nitrogen intumescent flame retardant

Peihua Zhao^†, Xinhang Li, Mei Zhang, Shengnan Liu, Wenjun Liang, and Yaqing Liu^†

Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, College of Materials Science and Engineering, North University of China, Taiyuan 030051, P. R. China

E-mail:,

A novel phosphorus/nitrogen intumescent flame retardant, namely 6-chloro-4-(diethylamino phosphorate phosphoryl chloride)-2-(sodium 4-aminobenzensulfonate)-1,3,5-triazine (APPCABT), has been synthesized and characterized by elemental analysis, FT-IR, 1H-NMR and 31P{H}-NMR spectroscopies. To investigate the flame-retarding properties of the treated cotton fabrics, APPCABT was applied to the chemical treatment of the cotton fabrics surface. The flame-retarding performance of the treated samples with APPCABT was evaluated by limiting oxygen index (LOI). The thermal degradation behavior of the treated samples was studied using thermogravimetric analysis (TGA). The surface morphology of the treated samples was observed by scanning electron microscopy (SEM). These results show that APPCABT is both an intumescent flame retardant with high efficiency and an excellent char-forming agent for the flame-retarding treatment of cotton fabrics.

Keywords:Phosphorus/Nitrogen;Intumescent Flame Retardant;Triazine;Cotton Fabrics;Flame-retarding Property

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[22] Feng CM, Zhang Y, Liu SW, Chi ZG, Xu JR, J. Appl. Polym. Sci., 123(6), 3208 (2012)

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