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http://dx.doi.org/10.5762/KAIS.2020.21.12.23

Thermal and UV Resistance of Polytrimethylene Terephthalate Bulked Continuous Filament (PTT BCF) dyed with Vat Dye via Pad-steam Method and its Dyeing Properties  

Lee, Hun (Division of Energy & Optical Technology Convergence, Cheongju University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.12, 2020 , pp. 23-32 More about this Journal
Abstract
This study investigated the thermal degradation and fading behavior of PTT dyed with vat dye and its dyeing ability. The PTT sample was dyed with vat dye using an acid treatment and pad-steam method to improve the dyeing performance. This method made dye particle nanosize and allowed it to penetrate the polymer material easily. The sample dyed using the pad-steam method showed level dyeing and enhanced dyeing affinity, compared to the batch-dyeing method. The degradation behavior of PTT dyed with vat dye after each heat and UV treatment was examined with the change in tensile strength or K/S value on the sample. The tensile strength and K/S values of the sample dyed with vat dye after the heat and UV treatment decreased with increasing temperature and exposure time. Although they showed high degradation under severe conditions, its rate constant was improved compared to the samples dyed with disperse dye. Consequently, acid treatment and the pad-steam method resulted in the introduction of vat dye on PTT. In addition, the PTT dyed with vat dye showed enhanced thermal and UV resistance because of their high molecular weight and chemical structure for stable adsorption behavior.
Keywords
PTT BCF; Vat Dye; Dyeing Properties; Pad-steam Method; Thermal Resistance;
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Times Cited By KSCI : 2  (Citation Analysis)
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