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KMID : 1041219950370020154
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Journal of Sericultural and Entomological Science
1995 Volume.37 No. 2 p.154 ~ p.160
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Dyeing Behavior of Silk/CDP Mixed Filament with a Cationic Dye
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Abstract
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Dyeing behavior of Silk/Cationic dyeable polyester(CDP) mixed filament was investigated by using cationic dye. The effect of pH, temperature and additives such as carrier, leveling agent and salt were examined for each silk and CDP component of mixed mixed filament in order to find out the optimum dyeing condition. Based on these results, the dyeing behavior was investigated for Silk/CDP mixed filaments concering various dyeing parameters. The dye adsorption was singnificantly changed on the dyeing temperature, carrier addition and pH of the dyebath. Specially, the dye migration phenomena were observed for a mixed filament showing that the dyes initially adsorbed on the surface of silk fiber migrate to the CDP component during a dyeing process. The dyeing of Silk/CDP mixed filaments accompanied by dye migration and as a result dye adsorption can be developed only for a CDP component. Therefore, the control of dyeing temperature is most important for a Silk/CDP mixed filament, in order that both silk and CDP component are able to be dyed by a cationic dye simultaneously in one bath/one dye system.
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