首页> 中文期刊> 《化学研究与应用》 >硅胶表面铜离子印迹聚合物的制备和性能研究

硅胶表面铜离子印迹聚合物的制备和性能研究

         

摘要

以Cu2+为模板,1,4-二羟基蒽醌为单体,硅胶为载体,γ-(甲基丙烯酰氧)丙基三甲氧基硅烷(KH-570)为偶联剂,利用表面离子印迹技术制备了Cu2+印迹聚合物.采用紫外光谱法、傅里叶变换红外光谱法(FT-IR)、扫描电镜对Cu2+印迹聚合物进行结构和表面形貌表征,并用原子吸收光谱法考察了吸附时间、吸附酸度、吸附温度、吸附浓度等对聚合物吸附性能的影响,研究了印迹聚合物在混合溶液中对Cu2+的选择性,将该聚合物重复利用6次,吸附量达到第一次的82%,并将该印迹聚合物应用到河水和自来水中,能够有效地测出水中铜离子的浓度,回收率分别为95.5%和107.2%.%Cu2+-imprinted polymer particles were prepared by surface ion imprinting technique with Cu2+ion as the template, 1-hy-droxy-4-(prop-2'-enyloxy)-9,10-anthraquinone( AQ)as the functional monomer,silica gel as the carrier,and KH-570 as the cross-linking agent The imprinted polymer particles were characterized by UV-spectra, FT-IR and scanning electron microscopy. The effect of adsorption time,adsorption acidity,adsorption temperature and adsorption concentration on adsorption capacity was investi-gated by atomic absorption spectrometry. Selectivity for Cu2+ions of the prepared polymer was also studied in mixed aqueous solu-tion. Reuse the prepared ion imprinted polymer six times,the adsorption capacity in the last time is 82% that of the first time,the ion imprinted polymer were applied to the determination of Cu 4 ions in river and tap water samples, the concentration of Cu + ions in wa-ter samples were determined and the recoveries of Cu2+ions in river and tap water samples were 95. 5% and 107. 2% ,respectively.

著录项

相似文献

  • 中文文献
  • 外文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号