Structures and Properties of Benzoguanamine Modified Melamine Formaldehyde/Polyvinyl Alcohol Fibers

被引：0
|
作者：
Zhou Y. [1 ]
Yu J. [1 ]
Shen Y. [1 ]
Wang Y. [1 ]
Zhu J. [1 ]
Hu Z. [1 ]
机构：
[1] State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai
来源：
Yu, Junrong (yjr@dhu.edu.cn) | 1600年 / Sichuan University卷 / 33期
关键词：
Benzoguanamine modification; Flame retardant performance; Melamine formaldehyde/polyvinyl alcohol fibers; Tensile strength; Wet stretch;
D O I：
10.16865/j.cnki.1000-7555.2017.02.010
中图分类号：
学科分类号：
摘要：
Melamine formaldehyde/polyvinyl alcohol (MF/PVA) fibers and benzoguanamine (BG) modified MF/PVA fibers were made under the wet stretch ratio of 1.0~1.3 by wet spinning. The difference in structures and properties between MF/PVA fibers and BG modified fibers was investigated by Fourier transform infrared (FT-IR) spectrometer, elemental analyzer (EA), limiting oxygen index (LOI), scanning electron microscope (SEM), thermogravimetric analyzer (TGA) and tensile tester. The results show that uniform MF/PVA fibers and BG modified fibers could be prepared by wet spinning process, and some MF particles are adhered on the surface of fibers. When the wet stretch ratio increases from 1.0 to 1.3, the nitrogen loss rate and tensile strength of both fibers increase, the flame retardant performance and thermal stability of fibers become worse. After BG modification, the nitrogen loss rate of MF/PVA fibers decreases, the flame retardant performance and thermal stability of fibers become better, the tensile strength of fibers decreases while their breaking elongation obviously incresases. When the wet stretch ratio is 1.3, the LOI value of BG modified MF/PVA fibers is 29.1%, the tensile strength and breaking elongation of fibers are 2.39 cN/dtex and 5.66%, respectively. © 2017, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：50 / 55
页数：5
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