Polymeric networks with permanent porosity are versatile substrate materials for surface processes. The chemistry as well as textural properties, such as pore size, pore shape and pore volume of a porous material, determine its ability to interact with a target compound, the accessibility of the porous structure and its efficiency. In this paper, a one-step approach to obtain mesoporous methacrylate monoliths by reversible addition-fragmentation chain transfer (RAFT) polymerization is presented. The controlled polymerization mechanism is essential for the obtainment of a mesoporous polymer network as it promotes low ‘degree of polymerization’ of the growing chains, a delay in the onset of phase separation and favors inter-with respect to intra-crosslinking processes. By varying the components and composition of the polymerization mixture, control over the pore size and volume were achieved, allowing the design of customized mesoporous polymers with moderate polarity.

中文翻译：

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具有明确介孔的甲基丙烯酸酯整体材料的一步合成

具有永久孔隙的聚合物网络是用于表面处理的多功能基材。多孔材料的化学性质和结构特性，例如孔径、孔形状和孔体积，决定了其与目标化合物相互作用的能力、多孔结构的可及性及其效率。本文提出了一种通过可逆加成-断裂链转移（RAFT）聚合获得介孔甲基丙烯酸酯整体材料的一步方法。受控聚合机制对于获得介孔聚合物网络至关重要，因为它促进生长链的低“聚合度”，延迟相分离的开始，并有利于内部交联过程。通过改变聚合混合物的组分和组成，实现了对孔径和体积的控制，从而可以设计具有中等极性的定制介孔聚合物。