苦参碱分子印迹氢键型超高交联吸附树脂的制备及吸附性能  

Preparation and adsorption properties of hydrogen-bonded molecular imprinting hypercrosslinked polymeric adsorbent for Matrine

作　　者：袁新华[1] 刘敦舜 刘怡 易敏 唐坤 陈燕秋[1] YUAN Xinhua;LIU Dunshun;LIU Yi;YI Min;TANG Kun;CHEN Yanqiu(School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China)

机构地区：[1]江苏大学材料科学与工程学院

出　　处：《江苏大学学报（自然科学版）》2019年第5期585-590,共6页Journal of Jiangsu University：Natural Science Edition

基　　金：国家自然科学基金资助项目(20704019,51603093);江苏省双创团队项目(2015026)

摘　　要：以苦参碱为模板分子,通过后交联反应,成功制备了分子印迹酚羟基修饰超高交联吸附树脂(MIP),同时制备了非分子印迹超高交联吸附树脂(NIP).测试了MIP树脂和NIP树脂的物理性能和形貌特征,研究了MIP在水溶液中对苦参碱和金雀花碱的静态平衡吸附行为和对苦参碱的吸附选择性,并与NIP对苦参碱和金雀花碱的吸附行为进行了对比.结果表明:相比NIP,MIP的比表面积有所下降,而孔径和孔容有所增大,且MIP树脂上的孔洞比NIP树脂更为规则;MIP在水溶液中对苦参碱的选择系数较高,最高可达到15.67,MIP对苦参碱具有较高的识别选择性;静态平衡吸附等温线均符合Langmuir方程和Freundlich方程,拟合结果表明MIP树脂比NIP树脂更有利于吸附苦参碱.Adding the templet molecule of Matrine in post cross-linking reaction, a novel molecular imprinting hypercrosslinked polymeric (MIP) adsorbent was successfully prepared and modified by phenol group, and the non-imprinting hypercrosslinked polymeric (NIP) adsorbent was also prepared. The physics performance and the surface morphology were determined. The static equilibrium adsorptions of Matrine and Cytisine and the adsorption selectivity of Matrine onto MIP resin in aqueous solution were investigated. The adsorption behaviors of Matrine and Cytisine onto MIP resin were compared with those onto NIP resin. The results show that compared with NIP resin, the specific surface area is decreased, while the pore size and the pore volume are increased with more regular pore structure. The selective coefficients of Matrine onto MIP resin are high with the maximum value of 15.67, which illuminates that MIP resin has high recognition ability to Matrine. The static equilibrium adsorption isotherms can well fit Langmuir and Freundlich equations, and the fitting results show that MIP resin has much higher adsorption ability to Matrine than NIP resin.

关 键 词：分子印迹 超高交联吸附树脂 吸附 选择性吸附 苦参碱 

分 类 号：TQ316.343[化学工程—高聚物工业]