Statistical modelling for optimisation of dyeing of silk with semisynthetic azo dye made by chemical modification of areca nut

Abstract

Purpose This paper aims to focus on the optimisation of dyeing recipe for dyeing of silk fabric with semisynthetic azo dyes synthesised by chemical modification of areca nut extract. Design/methodology/approach The response surface model (Box–Behnken design) was used to establish the relation between the parameters of dyeing such as time, temperature and material to liquor ratio. Their output responses in terms of colour strength (K/S values) are reported. Their relationship was tested for predictability and the experimental values and found to match closely, which confirms the model suitability. Findings Dyed fabrics were tested for their fastness properties such as wash, rub and lightfastness. The results of the fastness tests indicate that modified dyes have good dyeability towards silk fabric. The dyed fabrics were also tested for ultraviolet protection factor and antimicrobial activity, which showed very promising results. Originality/value Banned amine testing was done, which confirms the absence of banned amine in synthesised dyes, which indicates the potential of its sustainability. Also, such an approach of modification of natural dyes as semi-synthetic dyes can be surely considered to be a step towards its widespread acceptability and further commercialisation.

Solvent assisted dyeing of silk fabric using glycerine based eutectic solvent as a swelling agent

“…Lack of fit should not be significant, and we want the only model to be fit. This relatively less than 10% probability is troubling (Biranje et al, 2015;Katode et al, 2018;Maiti et al, 2016;Pawar et al, 2020).…”

“…where K stands for absorption coefficient, S stands for scattering coefficient and R stands for the reflectance of the dyed silk fabric at a maximum wavelength (l max). Here l max for Acid Blue 281 and Acid Red 151 are 602 nm and 509 nm, respectively (Meena et al, 2017;Pawar et al, 2020;Adivarekar, 2013b, 2013a;Teli and Pandit, 2017).…”

“…The range of dyeing parameters and their responses are represented in Table 4. For optimization of colour strength of dyed silk fabric, desirable weight was given to all dyeing parameters and response (Pawar et al, 2020). In total, 30 to 45 min of dyeing time, 70 to 110°C dyeing temperature and 1 to 20 ml (i.e.…”

Chemically Modified Extract of Peanut Red Skin: Toward Functional Dyeing of Textile Fabrics and Study Adsorption Kinetics and Adsorption Isotherm of Dyeing Process

“…This strategy reduces the azo dyes’ toxicity and harm to humans while also ensuring that they degrade naturally and also overcome restrictions on natural dyes. The synthesis of azo dyes with a diazotized base using natural-based polyphenolic chemicals as couplers has not received much research, despite the scientific community’s interest in these areas. ,− …”

Ev Teksti̇l Ürünleri̇ Özeli̇nde Eki̇nezya Ve Eveli̇k Tohumu İle Pamuklu Kumaşlarin Nano Mordanlar Kullanilarak Renklendi̇ri̇lebi̇li̇rli̇ği̇ni̇n Araştirilmasi

“…Bu kategoriler arasında kıyas yapıldığında çevre bilincinin artmasıyla birlikte doğal boyarmaddelere olan talepte artmıştır [2]. Çünkü sentetik boyaların zararlı etkilerinin olduğu bilinmektedir [3]. Bunun yanı sıra doğal boyarmaddeler ise çevre dostudur [4].…”