ArticleMaterials (Basel, Switzerland)2026
Aromatic Ester Bioplastics from Wood and Cellulose: Cinnamates as Greener Alternatives to Benzoates.
Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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7 authors.
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Abstract
To address the environmental impact of petroleum-derived plastics, lignocellulose esters provide a promising renewable alternative. However, research has primarily focused on linear cellulose esters, leaving raw biomass aromatic derivatives largely overlooked. Herein, we report a one-pot, room-temperature synthesis of cinnamate and benzoate esters from microcrystalline cellulose (MCC) and raw pine sawdust. A breakthrough finding reveals that pine esters consistently outperform pure MCC, achieving tensile strengths of 5-8 MPa (vs. 1-3 MPa for MCC) possibly due to a lignin-driven synergistic effect facilitating π-π stacking. The resulting films are hydrophobic (contact angles 80-100°) and fully thermoplastic. Cinnamates emerge as a technically superior and "greener" alternative to benzoates, paving the way for the direct upcycling of wood waste into sustainable packaging materials within a circular economy.
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