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The effect of surface cationization on the conformal deposition of alternating nanolayers of poly(sodium styrene sulfonate) (PSS) [Kleinfeld E, Ferguson G (1996) Chem Mater 8:1575–1578] and poly(allylamine hydrochloride) (PAH) over cotton fibers is reported. Three different levels of cotton cationization were evaluated. Variations in the cationization degree were achieved by manipulating the ratio...
Cotton was cationized by exhaustion method using 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC) as a cation-generating agent. Adsorption of silver nanoparticles on normal and cationized cotton was studied by exhaustion method at temperatures of 80°C and 100°C. Two exhaustion baths were used, containing nanosilver colloidal solutions stabilized by two different stabilizers and various...
A potentially environmentally responsible dyeing procedure for ultra-deep shades on cotton was developed using a cationization method in combination with mercerization. The effects of both treatments on dyeing performance and colorfastness properties of cotton fabrics dyed with reactive dyes were analyzed individually and in combination. Both mercerization and cationization have been proved to be...
Cotton fabric is usually dyed with reactive dyes. During the dyeing process, a large amount of salt is required to achieve higher exhaustion of the dye from the dyebath onto the fiber. Dyeing of cotton with reactive dyes has a substantial environmental impact due to the discharge of a large volume of highly colored and saline effluents. Chemical cationization allows cotton fibers to be dyed without...
Cationization of cotton fabrics was performed utilizing 3-chloro-2-hydroxypropyltrimethylammonium chloride (CHPTAC) in a cold pad batch procedure. Cotton fabrics were cationized at three levels 2.11, 4.23, and 8.45 % on weight of fabric of CHPTAC. Different neutralization schemes were employed on each cationization level to determine the effect of pH and process parameters on minimizing the amount...
Chemical cationization of cotton has been a subject of increased interest due to the ability of cationized cotton to attract negatively charged dyes, thus eliminating the use of electrolytes during dyeing and increasing color yield. However, electrostatic attractions between cationized cotton and anionic dyes also result in significantly increased dye strike rates, which may cause levelness problems,...
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