Coloration of polyamide-6,6 fabric with carbon black nano particle for camouflage textiles of simultaneous spectrum probe in visible and near infrared

Polyamide 6,6 (PA-6,6) fabric was experimented for liquid phase formulation and coloration in acidic medium of seven standardized P H (0–6) with carbon black nano particle (CBNP). International commission on illumination (CIE) color value (L*, a*, b*), Kubelka-Munk (K-M) reflection and reflection (%) of CBNP dyed PA-6,6 fabric was investigated with optical condition of specular reflectance, color measurement spectrophotometer from 400 nm to 700 nm. The K-M reflection and reflection (%) of CBNP dyed PA-6,6 fabric was also measured with optical property of diffuse reflectance, Fourier transform infrared spectroscopy from 1000 nm to 2500 nm. Visible-near infrared-reflection (%) was observed comparatively lower for P H 4 to 5. Similarly, K-M reflection of simultaneous spectrum probe in visible-near infrared was found higher for P H 4 to 5. Raw CBNP and CBNP modified PA-6,6 fabric was also examined for oxidation property, aggregation property, coloring property and air permeability by scanning electron microscopy. Hence, this experimentation was only focused on color properties of CBNP modified PA-6,6 fabric in terms of camouflage textiles.