Dyeing method and properties of polymaleic acid dyes on cotton

Deng, Yong; Tang, Bingtao; Zhao, Hongjuan; Xu, Jun; Xiao, Jinqiu; Zhang, Xingrong; Xu, Hengyong; Zhang, Shufen

doi:10.1111/cote.12013

Cited by 15 publications

(5 citation statements)

References 23 publications

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“…The dye fixation ( F ) was calculated using Equation (1) [27]. The absorbance was determined using an HP 8453 UV-vis spectrophotometer at the λ max of each dye, and A 0 , A 1 , and A 2 of the dye liquors were measured with the same volume.…”

Section: Methodsmentioning

confidence: 99%

Dyeing Method and Properties of a Novel Blue Azo-Anthraquinone Reactive Dye on Cotton

2019

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A novel blue azo-anthraquinone reactive dye was evaluated in the dyeing of cotton by using a dip–pad–steam process. Dyeing method and properties were examined in detail and the results showed that the dyeing method consisting of dye concentration of 25 g/L, sodium carbonate of 12 g/L, dipping time of 3 min and steaming time of 30 min was the most effective when a conventional “one-dip–one-nip” process was used. The fixation of the dyes on cotton could reach up to 93.4%, the wash and rub fastness both reached grade 4 above, and the light fastness reached grade 4–5 above. Such colored cotton showed very close colorimetric properties.

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Section: Methodsmentioning

confidence: 99%

Dyeing Method and Properties of a Novel Blue Azo-Anthraquinone Reactive Dye on Cotton

2019

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“…Auxiliaries in the dye bath, such as leveling agents, surfactants, acid, or alkali, are required to keep the dye molecule active and in a particular form. Natural fibers exhibit a negative zeta potential when submerged in water [90]. Electrolytes such as NaCl/Na2SO4 are used to neutralize the zeta potential.…”

Section: Dyeing Auxiliariesmentioning

confidence: 99%

Synthetic Dyes for Textile Colouration: Process, Factors and Environmental Impact

Islam¹,

Islam²,

Islam³

et al. 2022

Text Leather Rev

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Dyes are substances that enhance the appearance of finished goods by providing uniform colour. Dyeing is the application process of dyes that are fixed in textile fibers. The dyeing process uses various steps, including pre-treatment, desizing, scouring, bleaching, carbonizing, degumming, and mercerization. Water is considered the primary medium for applying dyes and other chemicals for this treatment in the dyeing process. The dyeing process contains many toxic chemicals, metals and non-soluble substances, such as wastewater, which is thrown into the environment. It is noted that, during dyeing , around 50-300 liters of water is required for 1 kg of fiber. On the other hand, 1-2 million liters of water are needed every day for 50,000 meters of daily production. This massive amount of toxic wastewater is highly harmful to the environment, human health, aquatic system, soil, air, water, plants, and animals. This review paper states various dyeing processes with different dyes, including acid dye, direct dye, sulfur dye, reactive dye, vat dye, metal complex dye, azo dye, disperse dye, and basic dye. In contrast, it also describes the influencing factors of dyeing processes and methods. Moreover, this review demonstrates the impacts of textile dyes on the environment (water, soil, air emissions, human health) and illustrates possible remedial actions regarding wastewater.

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“…For this kind of dyes to finish cotton, a dip-pad-steam dyeing process was used and "one-dip-one-nip" dyeing method was proved to be a suitable process [23].…”

Section: Dyeing Propertiesmentioning

confidence: 99%