This trial demonstrates the synthesis of lignin-derived dianilines for high-performance polyurethane-urea elastomers, suggesting sustainable material development.
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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Zhang et al. (2026) studied this question.
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