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木质素基聚氨酯的研究现状及其在柔性电子学中的应用

Research Status of Lignin-Based Polyurethane and Its Application in Flexible Electronics.

作者信息

Hu Jingbo, Huang Mengmeng, Zhou Xing, Luo Rubai, Li Lu, Li Xiaoning

机构信息

Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China.

Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China.

出版信息

Polymers (Basel). 2024 Aug 19;16(16):2340. doi: 10.3390/polym16162340.

DOI:10.3390/polym16162340
PMID:39204560
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11362964/
Abstract

Polyurethanes (PU) have drawn great attention due to their excellent mechanical properties and self-healing and recyclable abilities. Lignin is a natural and renewable raw material in nature, composed of a large number of hydroxyl groups, and has a great potential to replace petroleum polyols in PU synthesis. This review summarizes the recent advances in modification methods such as the liquefaction, alkylation, and demethylation of lignin, and a systematic analysis of how to improve the reactivity and monomer substitution of lignin during polyurethane synthesis for the green manufacturing of high-performance polyurethanes was conducted. Polyurethane can be used in the form of films, foams, and elastomers instead of conventional materials as a dielectric or substrate material to improve the reliability and durability of flexible sensors; this review summarizes the green synthesis of polyurethanes and their applications in flexible electronics, which are expected to provide inspiration for the wearable electronics sector.

摘要

聚氨酯（PU）因其优异的机械性能以及自愈和可回收能力而备受关注。木质素是自然界中一种天然且可再生的原料，由大量羟基组成，在聚氨酯合成中具有巨大潜力来替代石油多元醇。本综述总结了木质素液化、烷基化和脱甲基化等改性方法的最新进展，并对如何在聚氨酯合成过程中提高木质素的反应活性和单体取代度以实现高性能聚氨酯的绿色制造进行了系统分析。聚氨酯可以制成薄膜、泡沫和弹性体形式，替代传统材料用作电介质或基底材料，以提高柔性传感器的可靠性和耐久性；本综述总结了聚氨酯的绿色合成及其在柔性电子领域的应用，有望为可穿戴电子领域提供启发。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/c25b252c6c8c/polymers-16-02340-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/04b90301e9e2/polymers-16-02340-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/47b193b7a9b1/polymers-16-02340-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/bfb3c8b075b3/polymers-16-02340-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/d0dd4d3e414c/polymers-16-02340-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/f1d713bc33b0/polymers-16-02340-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/939bf1426dac/polymers-16-02340-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0f97/11362964/c25b252c6c8c/polymers-16-02340-g011.jpg

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