纺织学报 ›› 2015, Vol. 36 ›› Issue (10): 7-11.

• 纤维材料 • 上一篇    下一篇

采用1-膦酸丙烷-1,2-二羧酸的羽绒纤维阻燃改性

  

  • 收稿日期:2014-09-09 修回日期:2015-02-09 出版日期:2015-10-15 发布日期:2015-10-12

Flame-retardant modification of down fibers by 1-phosphonopropane-1,2- dicarboxylic acid

  • Received:2014-09-09 Revised:2015-02-09 Online:2015-10-15 Published:2015-10-12

摘要:

以亚磷酸二乙酯、马来酸二乙酯为原料,在乙醇钠的催化作用下合成1-膦酸丙烷-1, 2二羧酸,通过傅里叶变换红外光谱(FTIR)、核磁共振碳谱(13C-NMR)、核磁共振磷谱(31P-NMR)确定产物的结构。应用反应型有机磷阻燃剂1-膦酸丙烷-1, 2二羧酸对羽绒纤维进行阻燃改性处理,采用电感耦合等离子体原子发射光谱仪(ICP/AES)、TG-DTA热重分析仪(TG)、场发射扫描电子显微镜(FESEM)、极限氧指数仪等仪器对改性前后羽绒纤维的磷元素含量、热稳定性、形态结构和极限氧指数等性能进行测试表征。结果表明,羽绒纤维改性后的极限氧指数由23.8 %增加到28.2 %,形态结构没有明显变化,含磷量从0.0712 mg/g提高至0.6838 mg/g,热稳定性整体提高。

Abstract:

Down fibers were modified by synthesized reactive-type orgnophosphorus flame retardants. 1-phosphonopropane-1, 2 dicarboxylic acid had been synthesised via two-step method by using diethyl phosphate, diethyl maleate with the catalyst of sodium methylate. The final product were demonstrated by Fourier Transform Infrared Spectroscopy(FTIR), 13C-Nuclear Magnetic Resonance(13C-NMR), 31P-Nuclear Magnetic Resonance(31P-NMR). The content of phosphorous and the thermal stability, the morphology, the limiting oxygen index of the down fibers treated with reactive organic phosphorus flame retardant were characterized by Inductive Coupled Plasma-Atomic Emission Spectrometer(ICP/AES), TG-DTG Thermal Gravity(TG), Scanning Electron Microscope(SEM). Results showed that flame retardant property of treated down fibers improved with limiting oxygen index increased to 28.2 % from 23.8 %, the morphology of modified down fibers did not change significantly,the phosphorus content of modified down fibers increased from 0.0712 mg/g to 0.6838 mg/g, Moreover, the down fibers treated with the flame retardant showed an improvement in thermal stability.

中图分类号: 

  • TS195.59
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