The imprinted polymers were prepared to absorb dichlorophen (DCP) by using mesoporous silica with ordered pores and high specific surface area. Both scanning electron microscopy and transmission electron microscopy results suggested that the mesoporous silica nanosphere pores had a periodic distribution. The imprinted layer of polymers was thin and uniform. The adsorption experiments showed that the adsorption of imprinted polymers was obviously improved due to the presence of mesoporous structure. The maximum adsorption capacity of MSNs@MIPs at 318 K was 91.1 mg/g, and the adsorption process rapidly reached the equilibrium within 40 min. The adsorption isotherm was well fitted by the Freundlich isotherm model, indicating that multimolecular layer adsorption mechanism governs the adsorption of DCP by the polymers. The adsorption of MSNs@MIPs complied with pseudo-second-order kinetic model. Both selective and regenerative experiments demonstrated that MSNs@MIPs can be successfully applied for selective adsorption of DCP.

中文翻译：

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负载在介孔二氧化硅纳米球上，分子印迹聚合物用于选择性吸附二氯酚

通过使用具有有序孔和高比表面积的介孔二氧化硅制备印迹聚合物以吸收双氯酚 (DCP)。扫描电镜和透射电镜结果均表明介孔二氧化硅纳米球孔具有周期性分布。聚合物压印层薄而均匀。吸附实验表明，由于介孔结构的存在，印迹聚合物的吸附得到明显改善。MSNs@MIPs 在 318 K 的最大吸附容量为 91.1 mg/g，吸附过程在 40 min 内迅速达到平衡。Freundlich 等温线模型很好地拟合了吸附等温线，表明多分子层吸附机制控制着聚合物对 DCP 的吸附。MSNs@MIPs 的吸附符合准二级动力学模型。选择性和再生实验均表明 MSNs@MIPs 可成功应用于 DCP 的选择性吸附。