Sustainable lignin–hydroxymethyl furfural-based waterborne polyurethane adhesive with high bonding strength and weather resistance

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Green Chem., 2026, 28,5732-5752
DOI: 10.1039/D5GC06825H, Paper
Ying-An Mai, Xitai Cai, Libo Li, Zhipeng Qiu, Weifeng Liu, Xueqing Qiu, Rongxian Ou, Jingpeng Zhou, Fengshan Zhang, Fan Bu
A bio-based waterborne adhesive is developed from high-phenolic lignin, HMF, and a flexible CO2-based isocyanate-terminated copolyester oligomer, forming robust networks with high bonding strength (>16 MPa), weather resistance, and recyclability.
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