Porous ionic polymers (PIPs) hold significant promise as materials for water purification due to their high specific surface area, adjustable pore structures, and ionic pore channels. Nevertheless, the precise control and tuning of PIPs’ pore structures remain challenging, limiting their widespread application in water treatment. In this study, we present a novel approach for fabricating tunable porous pyridinium polymers based on porous pyrylium polymers. The pore structures and adsorption properties of these PIPs can be tailored by utilizing various primary amines as modifiers. The resulting PIPs exhibit exceptional removal efficiency for a variety of waterborne pollutants, including organic dyes, heavy metal ions, and pharmaceutical residues. Furthermore, these PIPs can be effortlessly regenerated and reused through simple washing steps. This work demonstrates a versatile and feasible method for developing novel PIPs for water purification, with potential applications in the field of environmental science.

中文翻译：

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构建可调节的吡喃鎓基多孔离子聚合物网络，用于有效处理水污染物

多孔离子聚合物（PIP）由于其高比表面积、可调节的孔结构和离子孔通道，作为水净化材料具有重要的前景。然而，PIPs 孔隙结构的精确控制和调节仍然具有挑战性，限制了它们在水处理中的广泛应用。在这项研究中，我们提出了一种基于多孔吡啶聚合物制造可调谐多孔吡啶聚合物的新方法。这些 PIP 的孔结构和吸附性能可以通过利用各种伯胺作为改性剂来定制。由此产生的 PIP 对各种水性污染物（包括有机染料、重金属离子和药物残留物）表现出卓越的去除效率。此外，这些 PIP 可以通过简单的清洗步骤轻松再生和重复使用。这项工作展示了一种开发新型水净化 PIP 的通用且可行的方法，在环境科学领域具有潜在的应用前景。