An approach to the influence of particle size distribution of leuco vat dye converted by a reducing agent |
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Authors: | Woo Sub Shim Jung Jin Lee Renzo Shamey |
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Institution: | (1) Fiber and Polymer Science Program, North Carolina State University, 27695-8301 Raleigh, NC, USA;(2) Department of Textile Engineering, Dankook University, 140-714 Seoul, Korea |
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Abstract: | Three vat dyes have been applied to regular viscose rayon and their dyeing and wash fastness properties were evaluated. Particle
size determination was undertaken to obtain information about the size of dye particles converted by a reducing agent, to
see if dye particle size has an affect on dyeing properties of regular viscose rayon. It is observed that viscose rayon exhibits
more dyeability with reducing agent concentrations between 5–7.5 g/l. Also, we found that the vat dyeing system is greatly affected by the particle size of the vat dye converted to leuco form
by a reducing agent. |
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Keywords: | Particle size Particle size distribution Reducing agent Viscose rayon Vat dye Dyeing properties Wash fastness |
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