A novel low add-on technology of dyeing cotton fabric with reactive dyestuff

Mao, Xiaodong; Zhong, Yanfei; Xu, Hong; Zhang, Linping; Sui, Xiaofeng; Mao, Zhiping

doi:10.1177/0040517517700195

Cited by 19 publications

(12 citation statements)

References 27 publications

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“…In recent years, tremendous efforts have been focused on saving water and energy in the textile industry due to environmental pressure [1,2,3,4]. Some new dyeing methods [5,6,7,8] have been developed to reduce the use of salts and to save water during the dyeing process; for example, supercritical fluid dyeing, solvent dyeing, reverse micelle dyeing, non-aqueous dyeing, ionic liquid dyeing etc.…”

Section: Introductionmentioning

confidence: 99%

Dyeing Property and Adsorption Kinetics of Reactive Dyes for Cotton Textiles in Salt-Free Non-Aqueous Dyeing Systems

et al. 2018

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In recent years, new concepts in textile dyeing technology have been investigated which aim to decrease the use of chemicals and the emission of water. In this work, dyeing of cotton textiles with reactive dyes has been investigated in a silicone non-aqueous dyeing system. Compared with conventional aqueous dyeing, almost 100% of reactive dyes can be adsorbed on cotton textiles without using any salts in non-aqueous dyeing systems, and the fixation of dye is also higher (80%~90% for non-aqueous dyeing vs. 40%~50% for traditional dyeing). The pseudo-second-order kinetic model can best describe the adsorption and equilibrium of reactive dyes in the non-aqueous dyeing systems as well as in the traditional water dyeing system. In the non-aqueous dyeing systems, the adsorption equilibrium of reactive dyes can be reached quickly. Particularly in the siloxane non-aqueous dyeing system, the adsorption equilibrium time of reactive dye is only 5–10 min at 25 °C, whereas more time is needed at 60 °C in the water dyeing system. The surface tension of non-aqueous media influences the adsorption rate of dye. The lower the surface tension, the faster the adsorption rate of reactive dye, and the higher the final uptake of dye. As a result, non-aqueous dyeing technology provides an innovative approach to increase dye uptake under a low dyeing temperature, in addition to making large water savings.

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Section: Introductionmentioning

confidence: 99%

Dyeing Property and Adsorption Kinetics of Reactive Dyes for Cotton Textiles in Salt-Free Non-Aqueous Dyeing Systems

et al. 2018

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“…In the textile industry, cotton fabrics are mainly dyed with reactive dyes because of their high level of washing fastness, a wide gamut of brilliant colors, and low price. − However, the dyeing of cotton fibers by reactive dyes requires a lot of salt, resulting in high water, energy and chemical consumption in the dyeing process, and discharge of a considerable amount of dyeing effluents with high salt content after dyeing. − Efforts have been made to reduce or eliminate the use of salt in the dyeing process, including dyeing machinery improvement, dye chemistry or cotton fiber modification, , the dyeing process, − etc. Thereinto, the modification of cotton fiber with cationic agents has exhibited great potential in reducing the consumption of salt, water, time, energy, and other chemicals in the reactive dyeing process.…”

Section: Introductionmentioning

confidence: 99%

Reactive Dyeing of Cationized Cotton Fabric: The Effect of Cationization Level

Zhang

Qian

et al. 2021

ACS Sustainable Chem. Eng.

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Modification of cotton fiber with cationic agents is one of the most effective ways to realize its salt-free reactive dyeing. To lay a foundation for the industrial-scale use of the reactive dyeing of cationized cotton fabric, how the level of cationization affects the penetrability of dyes on fabrics and ultimately the dyeing properties were investigated in this study. The results showed that the cationization level of cotton fiber increased with the increasing dosage of 3-chloro-2-hydroxypropyl trimethylammonium chloride (CHPTAC), leading to enhanced dye uptake and K/S value. However, an obvious ring dyeing was observed when the cationization level was high and there were many unoccupied cationic sites on the fiber after dyeing. The ring dyeing would result in reduced wet rubbing fastness, and the soaping and washing fastnesses were firstly decreased and then increased with the cationization level. In addition, the optimum cationization level for different reactive dyes was different, and the fastnesses of dyed cationized fabrics at the optimum level were higher than or equal to those of traditional dyeing fabrics.

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“…Natural dye applications have been restricted due to low dye fi xation rates and poor color strengths, especially for cellulose cotton-based fabrics [4]. Several approaches have been reported to improve the dyeing process, such as chemical and physical surface modifi cation by enzymatic action, plasma, gamma radiation, or cover materials [5][6][7][8][9][10], modifi cation of solution-surface equilibrium energy [11,2], modifi cation of the dye activation energy by ultrasonic waves [12][13][14], and the use of different mordants, tertiary amines/quaternary ammonium compounds (cationization methods), metal/metalloids salts, tannins, and enzymes [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Cochlospermum vitifolium Extracts as Natural Dye in Different Natural and Synthetic Textiles

Barriada-Bernal

Méndez-Lagunas

Aquino-González

et al. 2021

Autex Research Journal

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Cochlospermum vitifolium flowers were evaluated as a raw material of natural dye on different fabrics, natural and synthetic. The dyeing process evaluation was performed by CIELa*b* color coordinates analysis. Color fastness was evaluated using the AATCC 61-1B and AATCC 116 methods. The chemical identification of the compounds in the color fraction was carried out by HPLC–MS/MS. The naringenin was determined to be the color compound. Among the natural textiles, the wool presented the best uniformity of dyeing and fixation of color, achieving the best hue when a pre-mordant treatment was used. The combination of sodium and potassium tartrate dye resulted in the best final hue, between the yellow and red regions of the CIELa*b* space (L = 49.84, a* = 5.41, b* = 45.52). The dyeing of the wool by the sodium and potassium tartrate pretreatment showed the best fastness properties to the laundering test (ΔEab = 54.56), as well as in the rub test (ΔEab = 67.36). The extract of C. vitifolium could be considered as an alternative natural dye for textiles with a protein base (e.g., wool fabrics), obtaining the best results when mordant pretreatment is used.

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A novel low add-on technology of dyeing cotton fabric with reactive dyestuff

Cited by 19 publications

References 27 publications

Dyeing Property and Adsorption Kinetics of Reactive Dyes for Cotton Textiles in Salt-Free Non-Aqueous Dyeing Systems

Dyeing Property and Adsorption Kinetics of Reactive Dyes for Cotton Textiles in Salt-Free Non-Aqueous Dyeing Systems

Reactive Dyeing of Cationized Cotton Fabric: The Effect of Cationization Level

Evaluation of Cochlospermum vitifolium Extracts as Natural Dye in Different Natural and Synthetic Textiles

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