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材料工程  2020, Vol. 48 Issue (1): 156-161    DOI: 10.11868/j.issn.1001-4381.2018.001389
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
硅藻基As(Ⅴ)表面印迹材料的制备与表征
梁效铭1, 钟溢健2, 马丽丽2, 李聪2, 陈南春1, 解庆林2
1. 桂林理工大学 材料科学与工程学院, 广西 桂林 541004;
2. 桂林理工大学 环境科学与工程学院, 广西 桂林 541004
Preparation and characterization of diatom-based As(Ⅴ) surface imprinted materials
LIANG Xiao-ming1, ZHONG Yi-jian2, MA Li-li2, LI Cong2, CHEN Nan-chun1, XIE Qing-lin2
1. School of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China;
2. School of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China
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摘要 采用硅藻作为材料载体、选取硅烷偶联剂氨基丙基三甲氧基硅烷(APS)作为功能单体、As(Ⅴ)为模板离子、环氧氯丙烷(ECH)为交联剂,通过冷凝回流法制备了以天然矿物材料为载体的印迹复合材料。经扫描电镜、X射线粉末衍射、傅里叶变换红外光谱及透射电镜的表征结果表明:功能单体APS经接枝作用成功搭接在了硅藻表面,与ECH交联后形成了稳定的印迹孔穴。硅藻的孔穴及周围有明显接枝物产生,且孔穴的内部规则性更加明显。选择性实验得到了不同二元体系下As(Ⅴ)印迹复合材料的选择性系数,并根据实验数据对As(Ⅴ)的选择能力与利用前景进行了总结和评价。
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梁效铭
钟溢健
马丽丽
李聪
陈南春
解庆林
关键词 硅藻表面印迹表观形貌选择性    
Abstract:Using diatom as a material carrier, silane coupling agent aminopropyltrimethoxysilane (APS) was selected as the functional monomer, As (Ⅴ) was used as the template ion, and epichlorohydrin (ECH) was used as the crosslinking agent, the imprinted composite material with natural mineral material as carrier was prepared by the condensation reflux method. The results of scanning electron microscopy, X-ray powder diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy show that the functional monomer APS is grafted successfully on the surface of diatom, and a stable imprinted pore forms after cross-linking with ECH. There are obvious grafts in the pores and surroundings of the diatom, and the internal regularity of the pores is more obvious. The selectivity coefficient of As (Ⅴ) imprinted composites under different binary systems was obtained by selective experiments. The selection ability and utilization prospect of As (Ⅴ) were summarized and evaluated based on experimental data.
Key wordsdiatom    surface imprinting    surface topography    selectivity
收稿日期: 2018-11-29      出版日期: 2020-01-09
中图分类号:  TB332  
基金资助: 
通讯作者: 陈南春(1962-),男,教授,硕士,研究方向为环境矿物材料,联系地址:广西壮族自治区桂林市桂林理工大学材料科学与工程学院(541004),E-mail:cnc@glut.edu.cn     E-mail: cnc@glut.edu.cn
引用本文:   
梁效铭, 钟溢健, 马丽丽, 李聪, 陈南春, 解庆林. 硅藻基As(Ⅴ)表面印迹材料的制备与表征[J]. 材料工程, 2020, 48(1): 156-161.
LIANG Xiao-ming, ZHONG Yi-jian, MA Li-li, LI Cong, CHEN Nan-chun, XIE Qing-lin. Preparation and characterization of diatom-based As(Ⅴ) surface imprinted materials. Journal of Materials Engineering, 2020, 48(1): 156-161.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2018.001389      或      http://jme.biam.ac.cn/CN/Y2020/V48/I1/156
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