硝酸铵水凝胶分子印迹聚合物的制备

Synthesis of Ammonium Nitrate Molecularly Imprinted Polymer within Hydrogels

目的:目前安全问题成为世界各国的首要问题,尤其是对炸药分子的检测。硝酸铵是硝铵炸药的主要成分。研究水凝胶分子印迹法对硝铵炸药分子的检测。方法:水凝胶分子印迹方法制备硝酸铵水凝胶分子印迹聚合物,运用静态结合实验对其结合率进行了测定。结果:聚合物对硝酸铵具有良好的识别和吸附性能。印迹聚合物的解离常数为4.08g/L,最大吸附量为3.51mg/g。结论:水凝胶分子印迹法可合成水溶性炸药分子印迹聚合物,并且识别及吸附性能良好。

Objective：Currently,security issues had become the world＇s most important issue,especially for molecular detection of explosives.Ammonium nitrate were the main component of ammonia dynamite which can be detected using molecular imprinting method.Methods：Molecularly imprinted hydrogels were prepared,and their binding rate were measured by static binding assay.Results：Research showed that the polymer had a good properties of recognition and adsorption.Dissociation constants was 4.08g/L,maximum adsorption was 3.51mg/g.Conclusion：water-soluble explosives molecularly imprinted polymer could be by molecularly imprinted hydrogels technology,and had favorable recognition and adsorption.