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材料工程  2017, Vol. 45 Issue (10): 111-116    DOI: 10.11868/j.issn.1001-4381.2015.001319
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
电子束辐照诱导丙烯酸接枝尼龙66织物的改性研究
桑伟1, 周岚1, 冯新星1,2, 张建春2
1 浙江理工大学 先进纺织材料与制备技术教育部重点实验室, 杭州 310018;
2 中国人民解放军总后勤部军需装备研究所, 北京 100082
Acrylic Acid Improved Nylon 66 Fabric by Electron Beam Irradiation-induced Grafting
SANG Wei1, ZHOU Lan1, FENG Xin-xing1,2, ZHANG Jian-chun2
1 Key Laboratory of Advanced Textile Materials and Manufacturing Technology(Ministry of Education), Zhejiang Sci-Tech University, Hangzhou 310018, China;
2 The Quartermaster Research Institute of the General Logistics Department of the PLA, Beijing 100082, China
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摘要 利用电子束引发丙烯酸单体接枝尼龙66织物,研究不同接枝条件对接枝反应的影响。利用红外光谱仪(FTIR)、热重分析仪(TGA)、扫描电镜(SEM)以及YG065型织物强力仪研究了接枝前后织物的化学结构、热性能、表面形貌及力学性能变化,并通过垂直燃烧评价接枝织物的抗熔滴性能。结果表明:红外谱图1720.2cm-1等处出现单体中羧基的特征吸收峰,说明丙烯酸成功接枝到尼龙66上。接枝后,尼龙66织物的抗熔滴性得到显著改善,主要因为交联状炭层骨架对纤维熔体的支撑作用,但力学性能有一定程度降低。随着接枝率的增加,尼龙66的初始分解温度逐渐降低,成炭性能明显提升,织物损毁长度变短,熔滴速率更低,而断裂强力有轻微提升。
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桑伟
周岚
冯新星
张建春
关键词 电子束辐照丙烯酸尼龙66接枝抗熔滴成炭    
Abstract:Acrylic acid was grafted onto nylon 66 fabric by the electron beam irradiation method. Effects of different grafting conditions on grafting reaction were investigated. Fourier transform infrared spectroscopy(FTIR), thermo gravimetric analyzer(TGA), scanning electron microscope(SEM) and YG065 type fabric strength tester were used to characterize the chemical structures, thermal properties, surface morphology and mechanical properties of these prepared nylon 66 fabric samples. And the anti-dripping performance was evaluated by the vertical burning. The results show that in FTIR spectrum new absorption peeks at 1720.2 cm-1 and other wave numbers are assigned to the carboxyl groups, which imply that acrylic acid is successfully grafted to the nylon 66 molecular. The anti-dripping performance of nylon 66 fabric is improved significantly after grafting. It can be attributed to the cross-linked char layer which subsequently provides a support for the melting fiber. However, the mechanical properties of grafted samples decrease to some extent. With the increase of grafting ratio, the onset temperatures of grafted samples decrease gradually, while the char-forming performance enhances significantly. Besides, the damage length and droplet velocity of grafted samples become shorter and lower, and the tensile strength at break increases slightly.
Key wordselectron beam irradiation    acrylic acid    nylon 6,6    graft    anti-dripping    char-forming
收稿日期: 2015-10-30      出版日期: 2017-10-18
中图分类号:  TQ342  
通讯作者: 冯新星(1975-),男,副教授,博士,研究方向为高分子材料合成、功能材料,联系地址:北京市西直门北大街28号(100082),E-mail:xinxingfeng@hotmail.com     E-mail: xinxingfeng@hotmail.com
引用本文:   
桑伟, 周岚, 冯新星, 张建春. 电子束辐照诱导丙烯酸接枝尼龙66织物的改性研究[J]. 材料工程, 2017, 45(10): 111-116.
SANG Wei, ZHOU Lan, FENG Xin-xing, ZHANG Jian-chun. Acrylic Acid Improved Nylon 66 Fabric by Electron Beam Irradiation-induced Grafting. Journal of Materials Engineering, 2017, 45(10): 111-116.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2015.001319      或      http://jme.biam.ac.cn/CN/Y2017/V45/I10/111
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