Reconstituted biodegradable composites with cellulose structure

Environmental issues have led to a growing demand for eco-friendly functional materials and their biodegradable ability. One of the best way to design eco-friendly materials is to utilize bio-mimetic process to mimic their physical structures and chemical characteristics of naturally abundant materials. Here we develop lignocellulose-based composites for sustainable biodegradable materials, which mimic natural cellulose structures. Briefly, biodegradable PCL and stiff CNC crystals replace amorphous hemicellulose and cellulose fibroin, respectively, with enhanced mechanical strength and their facile fabrication. Indeed, electro-spinning with various applied voltage aided to manufacture nano-web structure to obtain definitely increased surface area. Importantly, the control of voltage affected the formation of agglomerates with different taylor cone structure, which could be attributed to the balance between spinning rate and charged constituents. The CNC reinforcement increased the mechanical strength (up to 3 MPa), and PCL increased the degradablity (up to 20% after 24 hrs), which confirms their aforementioned advantages.

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Reconstituted biodegradable composites with cellulose structure

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