Investigation of Ultrasonic Effects in Cotton Dyeing Processing

Abstract:

Ultrasound can promote the dye-uptake in the dyeing process. The effects of ultrasound on the fiber, dye and dyeing system were investigated by dyeing cotton fabrics with a direct dye. The dye exhaustion exceeded 80% in 30 minutes with the assistant of ultrasound. Langmuir adsorption model could descript the ultrasound dyeing process of direct dye. The area of fiber accessibility of cotton fiber increased 1.68 times under the action of ultrasound. The absorbance of direct dye solution increased remarkably in the first 10 minutes of ultrasound irradiation. Ultrasound accelerated the diffusion of dye on cotton fiber, and then the diffusion coefficient increased 46 times

• Periodical: Advanced Materials Research (Volume 787)
• Pages: 138-142
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.787.138
• Online since: September 2013
• Authors: De Shuai Sun, Long Fang, Tao Liu
• Keywords: Absorbance, Accessibility, Diffusion Coefficient, Dyeing, Ultrasound Wave

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