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材料工程  2016, Vol. 44 Issue (7): 54-60    DOI: 10.11868/j.issn.1001-4381.2016.07.010
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
亚胺基二乙酸螯合纤维的合成与性能研究
钱金鑫, 李明愉, 冯长根
北京理工大学 机电学院, 北京 100081
Preparation and Properties of Iminodiacetic Acid Chelate Fiber
QIAN Jin-xin, LI Ming-yu, FENG Chang-gen
School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
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摘要 以氯甲基化聚丙烯接枝苯乙烯纤维(chloramethylated polypropylene grafted styrene, CPP-g-St)为原料,采用胺基化和羧甲基化两步法反应,制备一种具有选择吸附性的亚胺基二乙酸螯合纤维(iminodiacetic acid chelate fiber, IDACF),并利用正交实验法研究了时间、浴比、温度、氯乙酸的用量对羧甲基化反应的影响。所制备的亚胺基二乙酸螯合纤维对Cu2+的螯合吸附容量为65.54mg·g-1,纤维对Cu2+的吸附容量是对Fe3+的10.52倍。采用元素分析(EA)、傅里叶红外光谱(FT-IR)、扫描电镜(SEM)、热重(TG)测试手段对纤维的结构和性能进行了表征。结果表明,经过两步反应后,亚氨基二乙酸基成功接枝到原料纤维表面,制备出的纤维具有良好的热稳定性。
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钱金鑫
李明愉
冯长根
关键词 氯甲基化聚丙烯接枝苯乙烯纤维亚胺基二乙酸螯合纤维胺化反应羧甲基化反应吸附容量    
Abstract:The iminodiacetic acid chelate fiber(IDACF) which has a property of selective adsorption, was fabricated by amination and carboxylation using chloramethylated polypropylene grafted styrene fiber as raw material. Orthogonal experiment was adopted to study the effect of temperature, time, liquor ratio and the amount of chloroacetic acid on carboxylation reaction. The maximum adsorption capacity of iminodiacetic acid chelate fiber to Cu2+ is 65.54mg·g-1, which is 10.52 times of that of Fe3+. Elementary analysis(EA), Fourier transform infrared spectrum(FT-IR), scanning electron microscopy(SEM) and thermogrametry(TG) were used to characterize the structure and the properties of the iminodiacetic acid chelate fiber. The results show that iminodiacetic acid has been transformed to the raw fiber successfully after amination and carboxymethylation, and IDACF has good thermal stability.
Key wordschloramethylated polypropylene grafted styrene fiber    iminodiacetic acid chelate fiber    aminafion reaction    carboxylation reaction    adsorption capacity
收稿日期: 2014-09-26      出版日期: 2016-07-19
中图分类号:  TQ342.84  
通讯作者: 李明愉(1969-),女,副教授,博士,从事高分子材料及纳米金属多孔材料的研究,联系地址:北京理工大学爆炸科学与技术国家重点实验室(100081),E-mail:mingyuli@163.com     E-mail: mingyuli@163.com
引用本文:   
钱金鑫, 李明愉, 冯长根. 亚胺基二乙酸螯合纤维的合成与性能研究[J]. 材料工程, 2016, 44(7): 54-60.
QIAN Jin-xin, LI Ming-yu, FENG Chang-gen. Preparation and Properties of Iminodiacetic Acid Chelate Fiber. Journal of Materials Engineering, 2016, 44(7): 54-60.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.07.010      或      http://jme.biam.ac.cn/CN/Y2016/V44/I7/54
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