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Advanced Functional Materials· 2026Q1

Hyperbranched Topological Design Enables Catalyst‐Free Recyclability and Exceptional Toughness in Fully Bio‐Based Epoxy Networks

Bowen Zhang, Guorui Qiang, Zhenzhen Sun, Zhuohua Sun

Short summary

A new fully bio-based epoxy network (FGP) with a hyperbranched topology achieves 69.7 MPa tensile strength and 27.3 MJ/m³ toughness, enabling catalyst-free, closed-loop recycling via ethanol depolymerization or upcycling into polyurethane foams.

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Polymers and PlasticsMaterials Science