Abstract
AbstractHigh‐strength regenerated cellulose/ZnAl‐layered double hydroxides (LDH) composite membranes (RCL) with good mechanical and antibacterial performance were developed by stirring vigorously cellulose and LDH in NaOH/urea aqueous solvent system at −12°C. The obtained cellulose/LDH composited materials were characterized and the results indicated that well dispersion of LDH in the cellulose matrix. The tensile strength of RCL membranes were enhanced to 92.1 MPa from 68.3 MPa for that of RC film because of the strong interfacial interaction between the LDHs and cellulose matrix as well as the high rigidity of the LDHs. The addition of LDH into the cellulose could improve the thermal stability, water resistance, and flame retardant of the regenerated cellulose film. Zn2+ ions were exited in the cellulose/ZnAl‐LDH materials, leading to good antibacterial activities against Staphylococcus aureus and Escherichia coli, which is important for RCL composite materials in antibacterial packaging filed.
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