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Updated: Jul 1, 2026

Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation
Published on: June 17, 2014
Mechanical Performance and Dye Adsorption of Lignin/Poly(ethylene glycol) Diglycidyl Ether/Sorbitol Polyglycidyl
Yiming Wang1, Hailing Liu1, Yu-Peng He2
1College of Petrochemical Engineering, Liaoning Petrochemical University, Dandong Road West 1, Wanghua District, Fushun 113001, China.
Abstract:
A bisphenol-A-free lignin hydrogel platform with programmable network density is reported. Lignin was crosslinked with poly(ethylene glycol) diglycidyl ether (PEGDGE) and sorbitol polyglycidyl ether (SPE) via epoxide ring-opening to generate hydrogel networks spanning eleven PEGDGE/SPE ratios. A single compositional lever-the SPE fraction-allowed the predictable densification of the network, translating into a monotonic shift in swelling and viscoelastic/mechanical responses. Importantly, the well-performing hydrogel (LS1P9) coupled swelling ratio with adsorption functionality, removing 72% methylene blue from water under the tested conditions. This work positions lignin as more than a passive filler: it serves as an active phenolic macromonomer for designing sustainable, multifunctional hydrogels.
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