Dyeing and Fastness Properties of Novel Phthalocyanine-based Dyes on Woven Cotton Fabrics 


Vol. 54,  No. 2, pp. 87-93, Apr.  2017
10.12772/TSE.2017.54.087


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  Abstract

Dyes for military uniforms are required to have high color, light, wash, and rubbing fastness properties along with a combined visual and infrared camouflage. Some phthalocyanine chromogens can absorb light in the near infrared (NIR) region. Thus, phthalocyanine dyes can be used for military uniforms requiring infrared (IR) camouflage. In this study, direct and reactive copper-phthalocyanine dyes were synthesized and applied on cotton fabrics for IR-camouflaging. The absorption maxima and the molar extinction coefficients of the synthesized dyes in water were 666−668 nm and 50,100−63,900 Lmol-1cm-1, respectively. The synthesized dyes, 1−4, exhibited good build-up properties on the cotton fabrics with dye 4 showing the best result. The cotton fabrics dyed with dyes 1−4 showed moderate light fastness, good color fastness, and very good wash and rubbing fastness. The NIR reflectance of the cotton fabrics with dyes 1, 3, and 4 waswithin 15−80% in the range of 700−1050 nm satisfying the South Korea Military Standards.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)