Real-time dyebath monitoring of reactive dyeing on cationized cotton for levelness control: part 1—influence of dye structure, temperature, and addition of soda ash

Chemical cationization of cotton has been a subject of increased interest due to the ability of cationized cotton to attract negatively charged dyes, thus eliminating the use of electrolytes during dyeing and increasing color yield. However, electrostatic attractions between cationized cotton and an...

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Published inCellulose (London) Vol. 23; no. 5; pp. 3319 - 3330
Main Authors Fu, Sha, Farrell, Matthew J., Hauser, Peter J., Hinks, David, Jasper, Warren J., Ankeny, Mary A.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.10.2016
Springer Nature B.V
Subjects
Bioorganic Chemistry
Cations
cellulose
Ceramics
Chemistry
Chemistry and Materials Science
color
Composites
Cotton
cotton fabric
Dyeing
Dyes
Electrolytes
electrostatic interactions
Exhaustion
Glass
monitoring
Natural Materials
Organic Chemistry
Original Paper
Physical Chemistry
Polymer Sciences
Reaction kinetics
reactive dyes
Real time
Shades
Soda ash
Sodium carbonate
Sustainable Development
temperature
Cationization
Dyeing kinetics
Cotton
Real-time monitoring
Levelness
Reactive dye
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Summary:Chemical cationization of cotton has been a subject of increased interest due to the ability of cationized cotton to attract negatively charged dyes, thus eliminating the use of electrolytes during dyeing and increasing color yield. However, electrostatic attractions between cationized cotton and anionic dyes also result in significantly increased dye strike rates, which may cause levelness problems, especially when light to medium shades are required. In this study, cotton fabric cationized using 3-chloro-2-hydroxypropyl trimethylammonium chloride was used to investigate the method for obtaining appropriate dye strike rate to produce a level reactive dyeing on cationized cotton. To effectively control the dyeing kinetics of reactive dyes on cationized cotton, real-time exhaustion of six commercially significant reactive dyes were monitored. The influence of temperature, dye structure, and addition of soda ash on dyeing kinetics and levelness of cationized cotton were evaluated.
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ISSN:0969-0239
1572-882X
DOI:10.1007/s10570-016-1008-9