Coloration of ultra high molecular weight polyethylene fibers using alkyl-substituted anthraquinoid blue dyes |
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Authors: | Taekyeong Kim Seonhee Jeon Dongsup Kwak Yuri Chae |
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Institution: | 1.Department of Textile System Engineering, College of Engineering,Kyungpook National University,Daegu,Korea |
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Abstract: | UHMWPE fibers were dyed with a series of anthrquinoid blue dyes having different length of alkyl substituents at general dyeing
condition. The dyeability was investigated at various conditions and fastness of the dyeings was examined. As the length of
alkyl substituents increased, the dyeability toward UHMWPE fibers tends to be improved gradually. Color strength of the fabrics
was increased with the increase of dyeing temperature from 100 to 130 °C. From the dyeing rate, equilibrium dyeing at 130°C
was achieved at 2–3 h. The tensile strength of UHMWPE fibers after dyeing at 130 °C for 1 h was maintained at a level of 95
% of untreated fiber. However, at prolonged dyeing time at 130 °C, the tensile strength was significantly decreased to a practically
unacceptable level. The color fastnesses to washing, rubbing and light of the dyeings were very good showing higher than 4
ratings. |
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