Influence of the fluorescent brightener Periblanc BA on the degree of whiteness of knitted cotton fabric
2011
Miljković, M.N., Faculty of Sciences and Mathematics, Niš (Serbia) | Purenović, M.M., Faculty of Sciences and Mathematics, Niš (Serbia) | Novaković, M.K., Faculty of Technology, Leskovac (Serbia). Textile Department | Ranđelović, S.S., Faculty of Sciences and Mathematics, Niš (Serbia)
In this study, the influence of different fluorescent brightener Periblanc BA concentrations on the degree of knitted cotton fabric whiteness was investigated. Two consecutive experimental runs were performed. The first was the bleaching of the knitted cotton fabric with hydrogen peroxide using the methods of two and single bath exhaustion, while the second was the optical bleaching with fluorescent brightener Periblanc BA using the exhaustion method. CIE whiteness index and tint value were measured on the Color-Eye 3000 spectrophotometer at the standard illuminant D65 (Ice-Texicon, d/8, D65/10 degrees) while K/S values were determined using the Kubelka Munk equation. The results show that cotton fabric bleached with fluorescent brightener Periblanc BA after bleaching with hydrogen peroxide using two bath exhaustion method has a higher degree of whiteness (118.8) with a reddish tint in comparison to the one bleached with hydrogen peroxide using single bath method (106.1).
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