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Developing self-healable hydrogels with excellent mechanical performance is important for their potential applications. In this paper, tough and self-healable dual physically crosslinked nanocomposite hydrogels reinforced with polyacrylamide grafted cellulose nanocrystal (CNC-g-PAM) were fabricated by in situ free radical polymerization of acrylic acid (AA) monomers in the presence of FeCl3 (0.75%...
Composite nanofiber membranes comprising bacterial cellulose (BC) and halloysite nanotubes (HNTs) were prepared by vacuum filtration. The tensile strength and ionic conductivity of the nanofiber membranes were improved by the blending of HNTs. The BC/HNTs nanofiber membrane with m(BC): m(HNTs) = 150: 1 (denoted as BC/HNTs-150) exhibited superior tensile strength (84.4 MPa), high porosity (83.0%),...
Metal-organic frameworks (MOFs) are recently attracting more and more interests as supercapacitor electrode materials. However, their low conductivity largely thwarts their capacitance performance. Herein, fabric electrodes for flexible supercapacitors were successfully fabricated by depositing polypyrrole (PPy) nanotubes and Zr-based MOF (UiO-66) particles on cotton fabrics. The PPy nanotubes could...
When dried under ambient conditions, the self-assembled chiral nematic arrangement of nanocrystalline cellulose (NCC) in suspension can be preserved in NCC films that can reflect light at specific wavelengths, but the process is slow. Rapid preparation of NCC films was first proposed to cast under vacuum conditions to accelerate water evaporation rates and shorten the drying time. Vacuum preparation...
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