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Surface modification of cellulose fibers: towards wood composites by biomimetics

Abstract : A biomimetic approach was taken for studying the adsorption of a model copolymer (pullulan abietate, DS 0.027), representing the lignin–carbohydrate complex, to a model surface for cellulose fibers (Langmuir–Blodgett thin films of regenerated cellulose). Adsorption results were assayed using surface plasmon resonance spectroscopy (SPR) and atomic force microscopy (AFM). Rapid, spontaneous, and desorption-resistant surface modification resulted. This effort is viewed as a critical first step towards the permanent surface modification of cellulose fibers with a layer of molecules amenable to either enzymatic crosslinking for improved wood composites or thermoplastic consolidation.
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Sheila E. Gradwell, Scott Renneckar, Alan R. Esker, Thomas Heinze, Paul Gatenholm, et al.. Surface modification of cellulose fibers: towards wood composites by biomimetics. Comptes Rendus Biologies, Elsevier Masson, 2004, 327 (9-10), pp.945-953. ⟨10.1016/j.crvi.2004.07.015⟩. ⟨hal-02080770⟩

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