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2 results on '"Electrospun composite"'

2. Optical, bactericidal and water repellent properties of electrospun nano-composite membranes of cellulose acetate and ZnO

Author

T.S. Natarajan, B. Brabu, S. Anitha, C. Gopalakrishnan, and D. John Thiruvadigal

Subjects
Water-repellent properties, Luminescence, Optical Phenomena, Polymers and Plastics, Scanning electron microscope, ZnO nanoparticles, Hydrophobicity, Composite number, Nanoparticle, Antibacterial properties, Nanocomposites, Nano-composite membranes, Contact angle, chemistry.chemical_compound, X-Ray Diffraction, Spectroscopy, Fourier Transform Infrared, Materials Chemistry, Composite material, Bacteria (microorganisms), Hydrophobic nature, Fibrous membranes, Electrospun composite, Optical properties, Cellulose acetates, Diffusion method, Electrospinning method, Hydrophobic, Electrospinning, Anti-Bacterial Agents, Multifunctional properties, Fibers, Membrane, Volatile fatty acids, Defects, Electrospuns, Scanning electron microscopy, Morphology, Materials science, Microbial Sensitivity Tests, Polymer concentrations, Zinc oxide, Cellulose, Bacteria, Organic Chemistry, Water, Scanning electron microscopes, Membranes, Artificial, Composite membranes, Cellulose acetate, Emission features, chemistry, Chemical engineering, Wettability, ZnO, Bactericidal, Nanoparticles
Abstract

In this report, ZnO nanoparticles embedded cellulose acetate (CA) fibrous membrane with multifunctional properties have been prepared through electrospinning method. The morphology of the electrospun composite membrane was analyzed by scanning electron microscope (SEM). It was found that the polymer concentration in the solution has a significant effect on the morphology of the fibers. The optical property of the sample was tested using photo luminescence (PL) spectra. There is no significant change in the emission features of cellulose acetate with the addition of ZnO. The anti-bacterial property of the sample was studied using disk diffusion method. The wettability of the pure and composite fibrous membrane was also studied by measuring the contact angle of water on the membrane. It was observed that the embedded ZnO in the CA was responsible for the hydrophobic nature of the surface. � 2013 Elsevier Ltd. All rights reserved.

Published
2013

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