Cotton Fiber and Yarn Dyeing

Dutta, Sudev; Bansal, Payal

doi:10.1007/978-981-15-9169-3_14

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…The results of color-fastness tests for samples functionalized in an acidic environment (FAAW and FAAD) are shown in Table 4. With the exception of light fastness, all the other results obtained are very good, being comparable with the values obtained after the dyeing processes of many natural fibers, performed with synthetic dyes [40][41][42]. This behavior can be explained based on the penetration of betalains inside the wool fiber with which it formed strong bonds.…”

Section: Comparison Between Faaw and Faad Samplessupporting

confidence: 81%

Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials

et al. 2021

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The beetroot peels can be a sustainable source of betalains that can dye the wool materials through green processes based on low water and energy consumption. Green chemistry in the extraction of betalains from colored food waste/peels from red beetroot involved the use of water as a solvent, without other additives. In order for the extract obtained to be able to dye the wool, it was necessary to functionalize betalains or even the wool. Three types of sustainable functionalizations were performed, with (1) acetic acid; (2) ethanol; and (3) arginine. For each functionalization, the mechanism that can justify dyeing the wool in intense colors was elucidated. The characterization of the extract was performed with the data provided by UV-VIS and HPLC-MS analyses. The characterization of the wool dyed with the extract obtained from the red beetroot peels was possible due to the information resulting from the FTIR and CIELab analyses. The functionalizations of betalains and wool in acid environments lead to the most intense red colors. The color varies depending on the pH and the concentration of betalains.

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Section: Comparison Between Faaw and Faad Samplessupporting

confidence: 81%

Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials

et al. 2021

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“…2,3 The principles of dyeing are described in Clark, 4 details for cotton yarn can be found in Dutta and Bansal. 5 In package dyeing, the yarn is first wound on perforated dye tubes to form cross-wound packages. The produced dye packages are then joined together to form package towers.…”

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confidence: 99%

Simulation-based setting suggestions for yarn winding units to reduce color variation in knitted fabric

Schmeißer

Bell

Gramsch

et al. 2023

Textile Research Journal

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The finishing of yarns by bobbin dyeing is of key importance in the value chain of home and apparel textiles. In the bobbin dyeing process, yarn bobbins are placed on dye spindles and passed through with dye liquor. If the winding process parameters are selected unfavorably, the density of the winding package is inhomogeneous. The inhomogeneous density distribution leads to an inhomogeneous flow of dye liquid through the package and, hence, to dyeing defects. In order to minimize dyeing defects and to reduce set-up times, we present a simulation-based parameter recommendation for cross-winding machines in this paper. We use a kinematic model of the winding process combined with an empirical model for the package diameter to optimize the package density distribution. We introduce a criterion to avoid patterning defects and adapt winding settings. For bobbins with Nm 34 Co yarn, the homogeneity of the density was improved and the color deviation was reduced by up to 50% due to these simulation-based setting suggestions.

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Transformation of Higher Education in Kenya in the Context of Collaboration with China on Textile and Fashion

Okech

2023

SDGs and Textiles

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Cotton Fiber and Yarn Dyeing

Cited by 3 publications

References 27 publications

Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials

Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials

Simulation-based setting suggestions for yarn winding units to reduce color variation in knitted fabric

Transformation of Higher Education in Kenya in the Context of Collaboration with China on Textile and Fashion

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