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Adsorption Mechanism of Disperse Dye on Elastic Polyurethane Fibre

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In this paper, the adsorption isotherms of two disperse dyes, C.I. Disperse Red 60 and C.I. Disperse orange 76,on two kinds of PU fibers at 90℃ were measured respectively. It was found that these adsorption isotherms followed a dual model, Nernst and Langmuir. Based on the parameters obtained in studying, the relationship between the chemical structure of dyes and their adsorption behaviors was analyzed. Through the measurement of washing fastness of dyed sample with two dye concentrations, 1% (o. W. F ) and3% (o. W. F), it was found that the pale shade dyeing possessed better wet-fastness than the dark. This phenomenon confirmed further that the disperse dyes were sorbed on the PU fiber by langmuir sorption and the partition mechanism.

QIAN Hong-fei、SONG Xin-yuan

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Shaoxing College of Arts and Science, Shaoxing 3120002

College of Chemistry & Chemical Engineering, Donghua University, Shanghai 200051

浙江省自然科学基金

Y404314

2005

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东华大学学报(英文版)
东华大学

东华大学学报(英文版)

影响因子：0.091
ISSN：1672-5220
年,卷(期)：2005.22(3)
QIAN Hong-fei,SONG Xin-yuan.Adsorption Mechanism of Disperse Dye on Elastic Polyurethane Fibre[J].东华大学学报(英文版),2005,22(3):70-73.
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