Surface modification of wool fabric for printing with acid and reactive dyes

Abstract

The present study investigates environmentally safe pretreatments for wool fabric to improve its printing with acid and reactive dyes. Wool fabric was pretreated either with activated hydrogen peroxide using tetraacetylethylenediamine or with lipase enzyme under specified conditions. Some acid and reactive dyes were applied for wool printing using normal techniques. These treatments were found to improve the colour intensity of the printed fabrics to a level comparable with those of prechlorinated wool fabrics.

Cold pad–batch bleaching of cotton fabrics with a TAED/H2O2 activating system

“…To date, tetraacetylethylenediamine (TAED) is one of the most successfully used activators for hydrogen peroxide (H 2 O 2 ) bleaching and is mainly used in the detergent industry [7–11]. There have also been several reports on the utilisation of a TAED activator in wool surface modifications with peroxide oxidation [12,13]. There have also been studies on TAED/H 2 O 2 system used in pulp bleaching [14–17] and some recent reports on cotton bath bleaching [18,19].…”

Effect of cationization on adsorption of silver nanoparticles on cotton surfaces and its antibacterial activity

“…To improve dyeability, air and argon atmospheric plasma has been used for surface activation of cotton fabrics (Karahan et al 2008). Better and faster dye uptake on textiles was achieved using surface modification of wool and cotton fabrics after environmentally safe enzyme pretreatment (Kantouch et al 2006;Vankar and Shanker 2008). Modification of silk with aminated polyepichlorohydrin to improve dyeability with reactive dyes was carried out by Weibin et al The effects of various pretreatments and dyeing conditions were studied.…”

Synthesis of graft terpolymers by addition reaction of amino‐terminated polyether to poly(methacrylate)s bearing five‐membered cyclic dithiocarbonate moieties and application of the graft terpolymers as modifiers for wool

“…Modification with polymers such as chlorinated polyamides,10–12 multifunctional epoxides,13 and isocyanate‐terminated polyurethanes14 is an effective antishrinking treatment. However, chlorinated polyamides and multifunctional epoxides deteriorate the evenness of dyeing 15. Isocyanate‐terminated polyurethanes are too reactive, and their self‐aggregation results in uneven coating.…”

“…However, chlorinated polyamides and multifunctional epoxides deteriorate the evenness of dyeing. 15 Isocyanate-terminated polyurethanes are too reactive, and their self-aggregation results in uneven coating. Typical dyeing temperature around 80-100 C is also sometimes a problem, some natural pigments are thermally unstable, and cannot be applied to dyeing of wool.…”