Regioselective synthesis of lignin-derived dianilines for high-performance polyurethane-urea elastomers

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Green Chem., 2026, Advance Article
DOI: 10.1039/D6GC00757K, Paper
Bo Zhang, Zecheng Gong, Tao Shen, Ming Li, Feng Long, Lu Chen, Li Shuai, Lei Ji, Xiaolei Zhang, Hanjie Ying, Chenjie Zhu
The lignin-derived m,m′-, o,m′- and o,o′-dianilines were synthesized through a regioselective condensation–Smiles rearrangement sequence and applied as sustainable chain extenders in the manufacture of polyurethane-urea elastomers (PUEs).
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