超分子界面聚合

Supramolecular polymers, originated from the integration of supramolecular chemistry and polymer chemistry, have been a rapidly developing research area. Although the study of supramolecular polymers based on noncovalent interactions has made significant progress in recent years, the challenge of controllable supramolecular polymerization still remains to be solved. To this end, we propose a new method of supramolecular interfacial polymerization in this project by transferring the fabrication of supramolecular polymers from in solutions to at the liquid-liquid interfaces. The supramonomers are first prepared in solutions based on noncovalent interactions, and then supramolecular polymers with well-defined structures could be controllably fabricated through covalent polymerization of supramonomers at the water-oil interfaces. We will focus on understanding the rules of supramolecular interfacial polymerization, and investigating the structure-property relationships of as-synthesized supramolecular polymers. We expect to establish a new method for controllable supramolecular polymerization, and thus providing a new way for preparing functional supramolecular polymer materials.

超分子聚合物是超分子化学与高分子化学交叉的前沿研究方向。近年来，基于非共价键作用的超分子聚合物研究已取得了长足的进步，但如何实现可控的超分子聚合仍然是一个尚待解决的重要问题。针对此问题，我们提出将超分子聚合物的制备从均相溶液转移至液-液界面的新思路，建立超分子界面聚合新方法。首先基于非共价键作用构筑可以聚合的超分子单体，通过超分子单体在水-油界面上的共价聚合，可控地制备具有特定结构的超分子聚合物。进一步研究超分子界面聚合的过程及调控规律，探究超分子聚合物结构与性能之间的关系。期望通过该项目的研究，建立可控超分子聚合新的方法，为功能超分子聚合物材料的可控制备提供新的途径。

在青年基金的资助下，我们按计划开展了超分子界面聚合的研究，并取得了一些重要研究成果：（1）基于超分子单体在水-油界面的共价聚合，建立了超分子界面聚合、超分子乳液界面聚合新方法，可控制备了动态响应的超分子聚合物薄膜和空心纳米球。（2）通过研究超分子界面聚合的过程及调控规律，表明超分子界面聚合相较于溶液聚合方法具有适用单体种类广，浓度配比范围宽，产物的聚合度高等特点。项目已完成了预定的研究目标。项目执行期间已发表论文4篇，包括Macromolecules 1篇，ACS Macro Letters 1篇，Progress in Polymer Science 1篇，化学通报1篇。