Coloration of cotton fabric using watermelon extract: mechanism of dye-fiber bonding and chromophore absorption

Liman, Luthfar Rahman; Islam, M. Tauhidul; Hossain, Milon; Sarker, Priti; Dabnath, Sreedham

doi:10.1080/00405000.2020.1738036

Cited by 18 publications

(4 citation statements)

References 34 publications

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“…In the temperature variation study, the three natural dyes showed that the value of D% increased with an increase in temperature for these three dyes. This dye degradation tendency was also claimed in the case of cotton fabric dyeing with watermelon rind saps 43 . For 180 min treatment of GY dye, the D% values were 16.2, 19.1, 24.9, 32.6, and 46.8% for treating at 60, 70, 80, 90, and 100 °C, respectively.…”

Section: Resultssupporting

confidence: 66%

Sustainable fashion: eco-friendly dyeing of wool fiber with novel mixtures of biodegradable natural dyes

Lin

Jiang

Xiao

et al. 2022

Sci Rep

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Natural materials, especially natural colorants, have achieved global prominence and might be regarded as an environmentally beneficial alternative to hazardous synthetic dyes. The color limitation of natural dyes hinders their application in textiles. The present work aims to prepare more color shades of wool yarns via dyeing with ternary natural dye mixtures without adding mordants. In this study, a sustainable dyeing approach for wool yarn was evaluated with three natural dyes, madder red (MR), gardenia blue (GB), and gardenia yellow (GY), by following an industrial dyeing procedure in the absence of a mordant. In the beginning, a preliminary assessment of dye stabilities was carried out, and it was found that the three natural dyes were sensitive to temperature and acid (degradation tendency). Then, the dyeing behavior was systematically evaluated, including a single natural dye, a binary natural dye mixture, and a ternary natural dye mixture. The results of wool yarn dyeing with a single natural dye show that the dye exhaustion percentage (E%) of MR, GY, and GB was in the ranges of 78.7–94.1%, 13.4–44.1%, and 54.8–68.5%, respectively. The dyeing results of wool yarns dyed with binary and ternary natural dye mixtures (a color triangle framework of dyed wool yarn) were characterized by colorimetric values (L*, a*, b*, C*, h, and K/S), and are presented to enlighten various colorful shades. Finally, color uniformity and colorfastness tests confirmed the vital contribution of natural dyes toward wool yarn coloration. Particularly, colorfastness to washing confirmed the stability of natural dyes with reference to the lower amount of dyes released into the effluent, which is beneficial for the environment. Overall, this study provides a good background for enhancing the industrialization trend of natural dyes by modulating their dyeing scheme.

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Section: Resultssupporting

confidence: 66%

Sustainable fashion: eco-friendly dyeing of wool fiber with novel mixtures of biodegradable natural dyes

Lin

Jiang

Xiao

et al. 2022

Sci Rep

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“…Natural plant dyes are liable to thermal degradation above 70 C, for example, watermelon extracts (Liman et al 2020), thus it is critical to test the thermal stability of cacao husk extracts during the exhaust dyeing process because the instability of dyes will influence the calculation of the dye exhaustion percentage (E%) and fixation rate (F%). The thermal stability of cacao husk extracts is shown in Fig.…”

Section: Dye Exhaustion Dye Fixation and Colorfastnessesmentioning

confidence: 99%

Effluent-free deep dyeing of cotton fabric with cacao husk extracts using the Taguchi optimization method

et al. 2020

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Textile dyehouses are under scrutiny because they discharge colored and hazardous effluents to waterways. There is a need to develop an alternative dyeing system that does not produce any hazardous effluent. The waterless dyeing method could be a viable eco-friendly alternative to the traditional aqueous dyeing method. In this work, cacao husk extracts were used as a natural dye in the decamethylcyclopentasiloxane (D5) medium for the dyeing of cotton fabric, and subsequently, the dyed cotton was treated by a fixation treatment with a cationic dye-fixing agent in the D5 medium. The cotton fabric dyed with cacao husk extracts exhaustion in the waterless D5 medium exhibited better exhaustion, fixation rate, color strength (K/S), and colorfastness to washing and rubbing compared to the fabric dyed with the same extracts using the conventional aqueous dyeing and dye-fixing methods. The dye exhaustion percentage and the dye fixation rate were 95.6% and 94.8% in the D5 medium respectively, which is significantly higher in comparison to a 48.2% dye exhaustion percentage and a 35.3% dye fixation rate in the conventional water medium. An orthogonal array design (L9 ) was adopted to optimize the dyeing conditions with respect to exhaustion percentage. The results indicated that the dyebath temperature was the most important factor for achieving the optimal dye exhaustion, and dyeing time also showed considerable effects. Linear regression was used to predict the exhaustion percentage, and the resulting p value of 0.000 demonstrated that a strong coefficient was proven among all selected factors. This study has demonstrated that dyeing of cotton fabric with cacao husk extracts in the D5 dyeing system can be a viable method for the textile industry with minimal environmental pollution.

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“…3. It is worth noting that the cacao husk extracts dye was thermally stable at a higher dyeing temperature (Hossain et al 2020), although some natural plant dyes are liable to thermal degradation above 343 K, for example, watermelon extracts (Liman et al 2020). The thermal stability of cacao husk extracts dye proves that when dyeing of cotton fabric at high temperatures does not influence the detection of E% by using the absorbance.…”

Section: Influence Of Dyeing Time On the Exhaustion Percentagementioning

confidence: 94%

Adsorption, kinetics, and thermodynamic studies of cacao husk extracts in waterless sustainable dyeing of cotton fabric

et al. 2021

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Natural dyes exhibit a low dye uptake when cellulosic fiber dyeing is carried out using a conventional water bath dyeing process. In this research, cotton fabric was exhaust dyed in a microemulsion dyebath containing cacao husk extracts dye and decamethylcyclopentasiloxane (D5) to achieve higher dye exhaustion percentage on cotton fiber, which is an environmentally beneficial dyeing process. The adsorption behavior of cacao husk extract dye in a D5 microemulsion system was investigated under conditions of varied dye mass (1-8% o.w.f), dyeing time (5-500 min), and dyeing temperatures (333-373 K). Kinetic modelling of cacao husk extracts dye/D5 adsorption on cotton fiber was studied by fitting experimental data to pseudo first-order and pseudo second-order kinetics, and the intraparticle diffusion model. Early results indicated that the kinetic model of adsorption of cacao husk extracts dye on cotton fiber followed the pseudo second-order model. Langmuir, Freundlich, and Dubinin-Radushkevich adsorption isotherm models were employed to analyze the adsorption isotherms, and the results showed that the adsorption process fit well with the Langmuir model compared to the Freundlich isotherm. The mean adsorption energy from the Dubinin-Radushkevich isotherm model implied that adsorption of the cacao husk extracts onto cotton was accompanied with a physical process. The values of standard enthalpy (DH°[0), standard entropy (DS°[ 0), and Gibbs free energy (DG°\ 0) strongly reflected that the adsorption of the cacao husk extracts onto cotton was thermodynamically favourable and feasible. Thus, waterless dyeing of cotton fabric using a natural dye/D5 system explores a sustainable dyeing technology with higher dye exhaustion percentage.

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Coloration of cotton fabric using watermelon extract: mechanism of dye-fiber bonding and chromophore absorption

Cited by 18 publications

References 34 publications

Sustainable fashion: eco-friendly dyeing of wool fiber with novel mixtures of biodegradable natural dyes

Sustainable fashion: eco-friendly dyeing of wool fiber with novel mixtures of biodegradable natural dyes

Effluent-free deep dyeing of cotton fabric with cacao husk extracts using the Taguchi optimization method

Adsorption, kinetics, and thermodynamic studies of cacao husk extracts in waterless sustainable dyeing of cotton fabric

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