动态镍配位交联是提高高性能聚合物强度、韧性和循环利用的一种简便方法

IF 1.8 4区化学 Q3 POLYMER SCIENCE

High Performance Polymers Pub Date : 2023-09-30 DOI:10.1177/09540083231204218

Lei Li, Rui Yuan, Sucheng Yang, Li Yang, Guanjun Chang, Ying Huang

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引用次数: 0

摘要

提高高性能聚合物的力学性能和热稳定性具有重要意义。通过钯催化的C-C偶联反应，成功制备了一种具有高抗拉强度和优异耐热性的新型配位聚合物(Ni/PPy)。对于新合成的聚合物薄膜，联吡啶在合成过程中被掺入到聚合物链中，随后被醋酸镍交联。更重要的是，外用焦磷酸盐可以去除镍配位，使线性聚合物回收，使聚合物具有可回收性。该策略有望成为提高高性能高分子材料机械性能和可回收性的有效手段。

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A facile strategy to improve the strength and toughness of high-performance polymer and recycle by dynamic Ni-coordination crosslinking

It is of great significance to enhance mechanical properties and thermal stability of high-performance polymers. A new coordination polymer film (Ni/PPy) with high tensile strength and excellent heat resistance has been successfully prepared via a palladium-catalyzed C-C coupling reaction. For newly synthesized polymer film, bipyridine is incorporated into polymer chains during the synthesis process and subsequently crosslinked by nickel acetate. More importantly, Ni-coordination can be removed by external pyrophosphate to recover the linear polymer, which endows the polymer with recyclability. This strategy is expected to be an effective means for increasing the mechanical properties and recyclability of high-performance polymer materials.

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来源期刊

High Performance Polymers 化学-高分子科学

CiteScore

4.20

自引率

14.30%

发文量

106

审稿时长

1.2 months

期刊介绍： Health Services Management Research (HSMR) is an authoritative international peer-reviewed journal which publishes theoretically and empirically rigorous research on questions of enduring interest to health-care organizations and systems throughout the world. Examining the real issues confronting health services management, it provides an independent view and cutting edge evidence-based research to guide policy-making and management decision-making. HSMR aims to be a forum serving an international community of academics and researchers on the one hand and healthcare managers, executives, policymakers and clinicians and all health professionals on the other. HSMR wants to make a substantial contribution to both research and managerial practice, with particular emphasis placed on publishing studies which offer actionable findings and on promoting knowledge mobilisation toward theoretical advances. All papers are expected to be of interest and relevance to an international audience. HSMR aims at enhance communication between academics and practitioners concerned with developing, implementing, and analysing health management issues, reforms and innovations primarily in European health systems and in all countries with developed health systems. Papers can report research undertaken in a single country, but they need to locate and explain their findings in an international context, and in international literature.