Synthesis of Quadruple Hydrogen-Bonded Monomers for START Terpolymerization to Prepare Main-Chain-Type Fluorinated Supramolecular Terpolymers

IF 3.9 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2024-08-04 DOI:10.1021/acs.iecr.4c01425

Chaojie Li, Zhiru Yuan, Zihan Liu, Weiwei He, Lifen Zhang, Zhenping Cheng

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Abstract

In this work, quadruple hydrogen bond-driven supramolecular monomer olefin-terminated ureido-pyrimidinones (UPys) are developed for START terpolymerization to prepare main-chain-type semifluorinated alternating terpolymers (SFAT-Us). The terpolymerizations are investigated in detail by a kinetic study and NMR characterization of the prepared polymers. It is notable that the molar mass of the fluorinated supramolecular terpolymers can be adjusted solely by changing the solvent due to the dynamic reversibility of the formation of quadruple hydrogen bonding. Supramolecular terpolymers with tailor-made noncovalent cross-linking densities can be achieved by controlling the feeding ratios of comonomers. Finally, fluorine-containing materials, which are able to self-heal, can be obtained by end-group modification of the as-prepared supramolecular terpolymer. Overall, this work provides a new strategy for the synthesis of fluorinated supramolecular polymers, broadening the variety of fluorinated polymers.

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合成四元氢键单体，用于 START 三元共聚制备主链型含氟超分子三元共聚物

本研究开发了四重氢键驱动的超分子单体烯烃端脲基嘧啶酮（UPys），用于 START 三元共聚制备主链型半氟交替三元共聚物（SFAT-Us）。通过对所制备聚合物的动力学研究和核磁共振表征，对三元共聚进行了详细研究。值得注意的是，由于四重氢键的形成具有动态可逆性，氟化超分子三元共聚物的摩尔质量只需改变溶剂即可调节。通过控制共聚单体的进料比例，还可以获得具有定制非共价交联密度的超分子三元共聚物。最后，通过对制备的超分子三元共聚物进行端基改性，可以获得能够自我修复的含氟材料。总之，这项研究为含氟超分子聚合物的合成提供了一种新策略，拓宽了含氟聚合物的种类。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Industrial & Engineering Chemistry Research 工程技术-工程：化工

CiteScore

7.40

自引率

7.10%

发文量

1467

审稿时长

2.8 months

期刊介绍： ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.