A novel phosphorus-containing flame retardant for the formaldehyde-free treatment of cotton fabrics

被引：104
作者：
Liu, Wei [1 ,2 ]
Chen, Li [1 ]
Wang, Yu-Zhong [1 ]
机构：
[1] Sichuan Univ, Ctr Degradable & Flame Retardant Polymer Mat, State Key Lab Polymer Mat Engn, Natl Engn Lab Ecofriendly Polymer Mat,Coll Chem, Chengdu 610064, Peoples R China
[2] Sichuan Fire Res Inst, Minist Publ Secur, Chengdu 611830, Peoples R China
来源：
POLYMER DEGRADATION AND STABILITY | 2012年 / 97卷 / 12期
基金：
美国国家科学基金会;
关键词：
Cotton Flame retardance; Formaldehyde-free; Halogen-free flame retardant; THERMAL-DEGRADATION; PYROLYSIS; MECHANISM; BEHAVIOR;
D O I：
10.1016/j.polymdegradstab.2012.07.016
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel flame retardant, poly (1,2-dicarboxyl ethylene spirocyclic pentaerythritol bisphosphonate) (PEPBP) has been synthesized by the reaction of spirocyclic pentaerythritol bisphosphorate disphosphoryl chloride (SPDPC) with tartaric acid (TA). PEPBP was used as the flame-retardant finishing agent for cotton fabrics. The flame retardancy of the samples was characterized by limiting oxygen index (LOI) and the vertical burning test. The cotton fabric sample with 21.2 wt% of PEPBP has a LOI value of 33.8, which is 14.4 higher than that of the untreated cotton sample. The treated cotton fabrics have shorter after-glow time, shorter char length and no after-flame during the vertical burning test. The thermal decomposition behaviors of the fabrics, the chemical structures and morphologies of the residues of the fabrics were investigated using thermogravimetric analysis (TGA), Fourier transform infrared (FTIR) and scanning electron microscopy (SEM), respectively, and a possible flame retardant mechanism was discussed. (c) 2012 Elsevier Ltd. All rights reserved.
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收藏
页码：2487 / 2491
页数：5
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