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由大孔氯甲基化聚苯乙烯合成了含有悬挂醚键的甲氧基修饰的大孔交联树脂.通过化学分析(氯含量的测定)、红外光谱和元素分析等手段,确证甲氧基负载在聚苯乙烯骨架上,负载量为4.10mmol/g.测定了这种树脂对正己烷中苯酚的吸附等温线,表明其对正己烷中苯酚的吸附是放热的,随着温度的升高,吸附量逐渐降低,且吸附等温线可拟合成直线.通过吸附焓的计算、不同条件下吸附等温线的比较以及理论计算等方法,确证氢键是甲氧基修饰的大孔交联树脂吸附正己烷中苯酚的主要驱动力,树脂骨架上负载的醚氧原子与苯酚的酚羟基氢原子形成了强烈氢键.
A macroporous modified macroporous resin containing dangling ether linkages was synthesized from macroporous chloromethylated polystyrene. Methoxy groups were confirmed by chemical analysis (determination of chlorine content), IR and elemental analysis Loaded on the polystyrene backbone with a loading of 4.10 mmol / g.The adsorption isotherm of this resin to phenol in n-hexane was determined, indicating that the adsorption of phenol on n-hexane was exothermic and as the temperature rose High, the amount of adsorption decreased, and the adsorption isotherms can be fitted into a straight line.According to the calculation of adsorption enthalpy, comparison of adsorption isotherms under different conditions and theoretical calculations, it is confirmed that the hydrogen bond is a methoxy modified macroporous cross-linking The resin adsorbs the main driving force of phenol in n-hexane. The ether oxygen atom supported on the resin skeleton forms a strong hydrogen bond with the phenolic hydroxyl hydrogen atom of phenol.