Research Status of Lignin-Based Polyurethane and Its Application in Flexible Electronics
Jingbo Hu,
Mengmeng Huang,
Xing Zhou
et al.
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… Show more
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