A salt-free and water-saving approach as a green alternative to conventional reactive dyeing of cotton

Wei, Yimin; Jiang, Zhe; Wang, Qiang; Wang, Ping; Yu, Yuanyuan

doi:10.1016/j.scp.2021.100536

Cited by 7 publications

(2 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Pei et al [8] reported the use of a silicon emulsion system for non-aqueous salt-free dyeing of cotton. Wei et al [9] investigated the use of hydrophobic deep eutectic solvent (HDES) composed of thymol and menthol for dyeing of cotton. Attempts have also been made to chemically modify cotton substrates for salt-free dyeing with anionic dyes [10,11].…”

Section: Introductionmentioning

confidence: 99%

Reverse Micellar Dyeing of Cotton Fabric with Reactive Dye Using Biodegradable Non-Ionic Surfactant as Nanoscale Carrier: An Optimisation Study by One-Factor-at-One-Time Approach

Tang,

Jin,

Lee

et al. 2023

Polymers

View full text Add to dashboard Cite

This study investigates the feasibility of using biodegradable secondary alcohol ethoxylate (SAE) non-ionic surfactant as a building block for the formation of reverse micelles, functioning as reactive dye carriers for the dyeing of cotton fabric in non-aqueous octane medium. Ten dyeing parameters were optimised, by a one-factor-at-a-time approach, namely: (i) effect of colour fixation agent; (ii) surfactant-to-water mole ratio; (iii) surfactant-to-co-surfactant mole ratio; (iv) volume of soda ash; (v) volume of dye; (vi) solvent-to-cotton ratio; (vii) dyeing temperature; (viii) dyeing time; (ix) fixation time; (x) soda-ash-to-cotton ratio. The colour properties, fastness properties and physical properties of SAE-dyed samples were experimentally compared with the conventional water-dyed samples. The optimised condition was found when SAE samples were dyed as follows: (a) 1:20 surfactant-to-water ratio; (b) 1:8 surfactant-to-co-surfactant ratio; (c) 10:1 solvent ratio; (d) 40 min dyeing time; (e) 60 min fixation time; and (f) 70 °C dyeing and fixation temperature. The results showed that SAE-dyed samples have better colour strength, lower reflectance percentage and comparable levelness, fastness and physical properties than that of water-dyed samples. SEM images revealed that the dyed cotton fibres had no severe surface damage caused by an SAE-based reverse micellar dyeing system. The TEM image depicts that the reverse micelle was of nanoscale, spherical-shaped and had a core–shell structure, validating the presence of reverse micelle as a reactive dye carrier and the potential of an SAE-based reverse micellar system for dyeing of cotton fabrics.

show abstract

Section: Introductionmentioning

confidence: 99%

Reverse Micellar Dyeing of Cotton Fabric with Reactive Dye Using Biodegradable Non-Ionic Surfactant as Nanoscale Carrier: An Optimisation Study by One-Factor-at-One-Time Approach

Tang,

Jin,

Lee

et al. 2023

Polymers

View full text Add to dashboard Cite

show abstract

“…The popularity of reactive dyes is mainly due to their high wash fastness and wide colour spectrum [3,4]. Its main disadvantage is that the dyeing process must be carried out in an alkaline medium by adding NaOH or Na 2 CO 3 [2].…”

Section: Introductionmentioning

confidence: 99%

Modelling for the Efficient Effluent Dye Removal to Reuse Water and Salt

et al. 2022

View full text Add to dashboard Cite

The objective of this work was to determine the optimal conditions for the electrooxidation treatment in order to decolourise the effluents that contain reactive dyes. According to the results, when Na2SO4 is used as an electrolyte, the decolouration reactions follow first-order kinetics. However, when NaCl is present in the effluent, the first-order kinetics is stabilised after applying a minimal electric current value. The models obtained from the results show that the higher the concentration of NaCl, the lower the energy consumption. On the other hand, an increase in dye concentration leads to an increase in electrical consumption. In relation to the pH, the results show that it is not a key factor in the decolouration efficiency. Finally, the obtained model was applied to two real effluents. The feasibility of individually treating the effluents from the dyeing process and those from the subsequent wash-off process was evaluated. From an industrial application point of view, it is recommended to mix both effluents before treatment, especially when the dye concentration is high.

show abstract

A Computer Colour Matching (CCM) Study on Non-aqueous Reactive Dyeing of Cotton Fabric with Rhamnolipid (RL) Microbial Biosurfactant-Based Reverse Micelles

et al. 2023

View full text Add to dashboard Cite

A salt-free and water-saving approach as a green alternative to conventional reactive dyeing of cotton

Cited by 7 publications

References 43 publications

Reverse Micellar Dyeing of Cotton Fabric with Reactive Dye Using Biodegradable Non-Ionic Surfactant as Nanoscale Carrier: An Optimisation Study by One-Factor-at-One-Time Approach

Reverse Micellar Dyeing of Cotton Fabric with Reactive Dye Using Biodegradable Non-Ionic Surfactant as Nanoscale Carrier: An Optimisation Study by One-Factor-at-One-Time Approach

Modelling for the Efficient Effluent Dye Removal to Reuse Water and Salt

A Computer Colour Matching (CCM) Study on Non-aqueous Reactive Dyeing of Cotton Fabric with Rhamnolipid (RL) Microbial Biosurfactant-Based Reverse Micelles

Contact Info

Product

Resources

About