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Coloration behaviors of phthalocyanine reactive dye on nylon substrates: experiments, empirical modeling and statistical analysis

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2007, 19(2), pp.14-23
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

KIM BYUNG-SOON 1 K. Ravikumar 2 윤석한 3 Young-A Son 2

1충남대학교
2Chungnam National University
3Korea Dyeing Technology Center

Accredited

ABSTRACT

This research article explores the use of phthalocyanine reactive dye on nylon substrate. The effect of factors such as pH, temperature, liquor ratio and alkali addition on level of dye exhaustion, fixation and total fixation efficiency. Low pH, high temperature and low liquor ratio were found to be suitable conditions for maximum % exhaustion values. The effect of sulphatoethylsulphone (SES) and vinylsulphone (VS) form of the dyes on level of dye fixation was also discussed. The optimized exhaustion (%E), fixation (%F) and total fixation efficiency were determined. Modification of the dyeing process with alkali addition displayed that dye fixation (%) increased by alkali addition. Vinylsulphone (VS) moiety of the dye was found to be superior for maximum fixation (%F). Appropriate predictable empirical models, relatively a new approach in dyeing processes, were developed incorporating interactions effects of temperature, pH and liquor ratio for predicting % exhaustion, fixation and total fixation efficiency. The significance of the mathematical model developed was ascertained using microsoft excel regression (solver) analysis module. High correlation coefficient was obtained (R2=0.9895 for % exhaustion, R2=0.9932 for fixation, R2=0.9965 for total fixation efficiency) for the model which shows prominent prediction capacity of the model for any conditions. The predictable polynomial equations developed from the experimental results were thoroughly analyzed by ANOVA (Analysis of Variance) statistical concepts.

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