Dyeing machineries

Chakraborty, J.N.

doi:10.1533/9780857092823.349

Cited by 2 publications

(3 citation statements)

References 5 publications

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“…However, each process and each class of dye requires different auxiliary chemicals, as well as temperature and process time [3]. Any skipped step, measurement errors, or inadequate parameters can result in color results that differ from the standard, staining, mechanical weakening of the fibers, and dimensional deformations of the substrate [4].…”

Section: Laboratory For Developing Colors and Textile Finishesmentioning

confidence: 99%

“…Ergonomic risks are related to working conditions that can lead to musculoskeletal injuries due to inadequate postures and repetitive movements. Preservation care in textile laboratories is also essential to maintain the integrity of samples and equipment [4]. Textile samples can be sensitive to moisture, light, heat, and atmospheric pollutants.…”

Section: Introductionmentioning

confidence: 99%

“…Inadequate preservation can lead to sample degradation and unreliable results [5]. Furthermore, laboratory equipment, much of which is expensive and delicate, needs to be regularly maintained and calibrated to ensure its proper functioning [4].…”

Section: Introductionmentioning

confidence: 99%

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A Comprehensive Guide to Textile Process Laboratories: Risks, Hazards, Preservation Care, and Safety Protocol

de Oliveira,

de Aguiar,

Missner

et al. 2023

Laboratories

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Textile chemistry and textile processing laboratories are essential environments for textile product research and development, but they also pose hazards that require rigorous precautions. Among the most common risks is handling chemicals used in the textile industry, such as dyes, solvents, and finishing chemicals, which can be contaminants, corrosive, and flammable, presenting risks of poisoning and fire. Textile processing laboratories also require proper ventilation, as a lack of appropriate ventilation in these environments can accumulate toxic vapors in the air. The most relevant risks and hazards of using textile chemistry laboratories include using equipment such as dyeing autoclaves under pressure and high temperature; drying ovens like furnaces/lab stenters; cylinders of squeezing, calenders, and others, capable of causing severe accidents. These laboratories also generate or handle solid waste and effluents containing, heavy metals to pathogens (e.g., from industrial sludge). It is essential to adopt rigorous safety measures in textile chemistry laboratories, including using personal protective equipment (PPE), proper training of workers, effective ventilation systems, and safe waste disposal protocols. Good laboratory work practices not only reduce risk but also promote better research; more accurate results; and better data. Therefore, this study aimed to map the risks and hazards of textile processing laboratories with a view to accident prevention and formalizing a protocol for good practices.

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Section: Laboratory For Developing Colors and Textile Finishesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Comprehensive Guide to Textile Process Laboratories: Risks, Hazards, Preservation Care, and Safety Protocol

de Oliveira,

de Aguiar,

Missner

et al. 2023

Laboratories

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Sustainable low liquor ratio dyeing of cotton with C.I. Reactive Blue 21 using dioctyl sodium sulfosuccinate

Kabir

Koh

2020

Textile Research Journal

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Low liquor ratio (material to liquor ratio = 1:5) dyeing of cotton fabric with C.I. Reactive Blue 21 using dioctyl sodium sulfosuccinate as a surfactant was thoroughly analyzed. The dye–surfactant interactions in the micelles during low liquor ratio dyeing were investigated by ultraviolet-visible spectroscopy and the chemical mechanism of the process was evaluated by Fourier-transform infrared spectroscopy analysis. Cotton fabric was subjected to low liquor ratio dyeing and conventional dyeing by varying the temperature, pH, treatment time, and non-identical chemical concentration. The effectiveness of the process was assessed based on the color strength ( K/ S), exhaustion (%), fixation (%), and levelness. Low liquor ratio dyeing afforded superior dyeing compared to conventional dyeing, attributed to the anti-agglomeration effects of the former, which also had no adverse impact on the fastness of the dye. The lower environmental impact due to the lower effluent footprint (biological oxygen demand, chemical oxygen demand, total dissolved solids, and dissolved oxygen) is another benefit of low liquor ratio dyeing. High-pressure liquid chromatography and gas chromatography-mass spectrometry analyses revealed that the low liquor ratio dyed fabric is free of toxic substances (alkylphenol ethoxylates and formaldehyde). Moreover, low liquor ratio dyeing is more cost-effective and outperformed conventional dyeing in all aspects, while being a sustainable process.

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Dyeing machineries

Cited by 2 publications

References 5 publications

A Comprehensive Guide to Textile Process Laboratories: Risks, Hazards, Preservation Care, and Safety Protocol

A Comprehensive Guide to Textile Process Laboratories: Risks, Hazards, Preservation Care, and Safety Protocol

Sustainable low liquor ratio dyeing of cotton with C.I. Reactive Blue 21 using dioctyl sodium sulfosuccinate

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