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Title: Effect of hydrophilic-lipophilic balance (HLB) values of PEG-based non-ionic surfactant on reverse micellar dyeing of cotton fibre with reactive dyes in non-aqueous medium
Authors: Tang, AYL 
Lee, CH 
Wang, YM 
Kan, CW 
Keywords: Cotton fibre
Hydrophilic-lipophilic balance
Non-ionic surfactant
Reactive dyeing
Reverse micelle
Non-aqueous medium
Issue Date: 2018
Publisher: Springer
Source: Fibers and polymers, Apr. 2018, v. 19, no. 4, p. 894-904 How to cite?
Journal: Fibers and polymers 
Abstract: The effect of hydrophilic-lipophilic balance (HLB) of polyethylene glycol-based non-ionic surfactants of polyoxyethylene stearyl ether and polyoxyethylene tridecyl ether series of seven types on reverse micellar dyeing system of cotton was studied in non-aqueous heptane solvent medium. The relationships between HLB values of surfactants and reflectance, K/S-sum value and levelness of the dyed samples were investigated. The experimental results reveal that reflectance percentage increases and K/S-sum value decreases with increase of HLB value while good levelness and visual appearance of dyed samples can be achieved only with optimum HLB value. The most suitable HLB value for reverse micelle dyeing of cotton ranges from 12 to 14 since there is stable formation of reverse micelle under this range. Fastness to washing of dyed cotton samples was also evaluated. The results show that samples dyed by both non-ionic surfactant series can achieve excellent washing fastness supporting reproducibility of K/S-sum value, reflectance percentage and levelness of reverse micelle dyed samples with various surfactants.
ISSN: 1229-9197
EISSN: 1875-0052
DOI: 10.1007/s12221-018-8061-y
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