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Studies on the ultrasonic-assisted dyeing of poly(trimethylene terephthalate) fabric

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Poly(trimethylene terephthalate) fabric was dyed with Disperse Red FB by using ultrasonic power. The effects of ultrasound on the K/S values of the fabric, the fibre structure and the disperse dye were investigated. The results show that the ultrasonic power increases the K/S values of the fabric, disintegrates the large particles of oligomer on the surface of poly(trimethylene terephthalate) fibre into smaller ones and reduces the particle size of the dye in solution. The K/S value of poly(trimethylene terephthalate) fabric dyed using ultrasound is much higher than that without ultrasound, especially when the temperature is over 60 °C. In addition, the adsorption isotherm study shows that the adsorption isotherm can be well fitted by the Langmuir model.
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Document Type: Research Article

Affiliations: 1: Key Laboratory of Advanced Textile Materials and Manufacturing Technology (Zhejiang Sci-Tech University), Ministry of Education, Hangzhou 310018, China 2: Engineering Research Center for Dyeing and Finishing of Textiles (Zhejiang Sci-Tech University), Ministry of Education, Hangzhou 310018, China, Email: [email protected]

Publication date: 01 August 2010

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