新型功能性介孔吸附材料的表征与吸附性能

doi:10.3969/j.issn.1671-7775.2010.01.010

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摘要采用丙酮为共溶剂、过氧化苯甲酰为引发剂，在高度无序稻壳活性炭（RAC）的孔道表面聚合甲基丙烯酸甲酯（MMA）．利用傅立叶红外谱图表征了聚甲基丙烯酸甲酯-活性炭（PMMA—RAC）材料的结构成分；低温氮气吸附测试结果表明比表面积较聚合前下降约44％，孔体积降低约32％；透射电镜照片显示在PMMA—RAC材料孔道表面存在大量聚合物，对苯酚的饱和吸附量提高了14％．研究结果表明：原位聚合的方法能够得到既具有较高的比表面积，又含有功能性基团的新型有机-无机纳米复合吸附材料．

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	周志平
	张际亮
	盛维琛
	朱申敏
	孔祥涛

关键词 ：功能材料 ')" href="#">功能材料 , 介孔材料 ')" href="#">介孔材料 , 吸附剂 ')" href="#">吸附剂 , 活性炭')" href="#">活性炭, 聚甲基丙烯酸甲酯')" href="#"> 聚甲基丙烯酸甲酯

Abstract：Methyl methaerylates were polymerized on the surface of highly disordered rice husk activated carbon（RAC） channel using benzoyl peroxide initiator and acetone solvent. The structural component of the product was analyzed by Fourier transform infrared （ FT - IR）. The amount of polymethyl methacrylate （PMMA） was determined by thermal gravimetric analysis. The surface area was reduced by 44% and pore volume decreased bv 32% according to the N2 adsorption/desorption analysis. The transmission electron microscope images show that there are a lot of PMMA existing on the channel surface of PMMA - RAC materials. The phenol saturated adsorption by PMMA - RAC is increased by 14%. The result indicates that new organic and inorganic, nano-composite absorption materials with both high surface area and functional groups can be prepared by in-situ polymerization

Key words： functional materials')" href="#">functional materials mesoporous materials ')" href="#"> mesoporous materials adsorbents')" href="#"> adsorbents activated carbon')" href="#">activated carbon polymethyl methacrylate')" href="#">polymethyl methacrylate

基金资助:

国家自然科学基金资助项目（50573013,20774038）

引用本文:

周志平, 张际亮, 盛维琛, 朱申敏, 孔祥涛. 新型功能性介孔吸附材料的表征与吸附性能[J]. 江苏大学学报（自然科学版）, 2010, 31(1): 45-48. Zhou Zhiping, Zhang Jiliang, Sheng Weichen, Zhu Shenmin, Kong Xiangtao. Characterization and adsorption property of new mesoporous adsorption material[J]. Journal of Jiangsu University(Natural Science Eidtion) , 2010, 31(1): 45-48.

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http://zzs.ujs.edu.cn/xbzkb/CN/10.3969/j.issn.1671-7775.2010.01.010 或 http://zzs.ujs.edu.cn/xbzkb/CN/Y2010/V31/I1/45