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This study investigates cotton fabrics coated with nano carbon and titanium dioxide dyed with Allium ascalonicum Linn. skin. The cotton fabrics was coated with various ratio of 0.01 : 0.49, 0 : 0.5 and 0.5 : 0 percent (weight by weight) nano carbon and titanium dioxide. The morphology of cotton fabrics coated with nano carbon and titanium dioxide was investigated by using a Scanning Electron Microscope (SEM). Cotton fabrics without coated and coated with nano carbon and titanium dioxide was dyed with A. ascalonicum skin and mordanted with ferrous sulfate, copper (II) sulfate, tannic acid, alum and salt, dyeing at 80 degree Celsius for 30 minute. Color strength was carried out using the colorimeters CELEB 1972. The color fastness property as washing and light fastness was measured. The ultraviolet protection and antimicrobial property was also investigated. Result reflected that the properties of cotton fabrics coated with nano carbon and titanium dioxide are better than cotton fabrics without coated. Cotton fabrics coated with nano carbon and titanium dioxide at a ratio of 0.01 : 0.49 and 0.5 : 0 percent (weight by weight) can be inhibit Straphylococcus aureus bacteria. The optimum ratio of nano carbon and titanium dioxide as 0.01 : 0.49 suitable for the production of cotton nano dyed with A. ascalonicum skin. Washing fastness and light fastness was found in the range of good to very good (4-5). The UVA and UVAและUVB protection was in the range of 95.3-99% and 94.5-99.5%, respectively.
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