Structural Effect of Phosphoramidate Derivatives on the Thermal and Flame Retardant Behaviors of Treated Cotton Cellulose

被引：111

作者：

Thach-Mien Nguyen ^{[1
]}

Chang, SeChin ^{[1
]}

Condon, Brian ^{[1
]}

Slopek, Ryan ^{[1
]}

Graves, Elena ^{[1
]}

Yoshioka-Tarver, Megumi ^{[1
]}

机构：

[1] ARS, USDA, So Reg Res Ctr, New Orleans, LA 70124 USA

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2013年 / 52卷 / 13期

关键词：

PHOSPHORUS-NITROGEN; AB-INITIO; PYROLYSIS; MECHANISM; COMBUSTION; PHOSPHATE; FLOW;

D O I：

10.1021/ie400180f

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The present research is aimed at studying the structural effect of two phosphoramidate derivatives diethyl 3-hydroxypropylphosphoramidate EHP and dimethyl 3-hydroxypropylphosphoramidate MHP as flame retardants for cotton fabric. EHP and MHP were obtained in very high yield and purity by one step procedures. Cotton twill fabrics treated with the two compounds at different add-ons (5-20 wt %) were characterized. Vertical flammability, limiting oxygen index, thermogravimetric, and microscale combustion calorimeter analyses were performed, and all resulted in better flame retardancy and thermal behavior for MHP compared to EHP. A study of the functional groups which appeared on the treated fabrics by attenuated total reflection infrared spectroscopy revealed different binding mechanisms between each compound and cotton cellulose. Analysis of the released gas products by thermogravimetric analysis-Fourier transform infrared spectroscopy showed some distinctive details in the degradation of the treated fabrics during the burning process.

引用

页码：4715 / 4724

页数：10

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