A process to remove excess dye from dyed polyester fabric comprising adding a solution of a weak organic acid to the fabric in a dyeing vessel, raising the temperature in the vessel to at least 80 C., allowing the acid to react with the fabric for at least 6 minutes and removing all liquid.

Disclosed is an environmentally friendly method that enables the pre-treatment and dyeing processes applied to cellulosic products used in the production of textile products such as towels, bathrobes to be carried out in a single bath with natural, biological preparations.

A textile dyeing process is described for dyeing a textile material, product or article consisting of animal fibers, comprising the steps of dipping said textile material, product or article into a dyeing bath comprising at least one detergent substance, a wetting substance, a leveling substance and an acidity regulator; adding to the dyeing bath a coloring substance approved for food use; subjecting the dyed textile material, product or article to washes; and finally subjecting the dyed textile material, product or article to a color fixing treatment.

The present specification relates to a method for manufacturing a polarizer, the method including: a step of dyeing at least one dye of iodine and dichroic dyes on a polyvinyl alcohol-based film; a first cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a first aqueous solution including a polyvalent carboxylic acid compound and a boron compound; a second cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a second aqueous solution including a polyvalent carboxylic acid compound and a boron compound; and a third cross-linking step of cross-linking the polyvinyl alcohol-based film and the dye by using a third aqueous solution including a polyvalent carboxylic acid compound, in which in the first cross-linking step and the second cross-linking step, stretching is performed along with cross-linking, and a polarizer manufactured by using the same.

A dye additive suitable for use in improving the dyeing of aramid fibers includes non-water components dissolved in water. The non-water components include about 20-25% (w/w) sodium or potassium nitrate; about 20-25% (w/w) ketone solvent; about 30-40% (w/w) aromatic solvent; about 1-5% (w/w) of each of glycol ether, biodegradable solvent, acetic acid 56% strength or equivalent or equivalent amount of formic acid, brine salt, sodium or potassium hydroxide, and phenylenediamine, about 1-10% (w/w) of each of a strong acid, hydroxycarboxylic acid, and lanolin; wherein the water makes up about 50-70% of the weight of the dye additive and the non-water components make up about 30-50% of the dye additive. The dye additive may be added to a dye bath at a w/w percentage of about 0.25% to about 6%.

A process to remove excess dye from dyed polyester fabric comprising adding a solution of a weak organic acid to the fabric in a dyeing vessel, raising the temperature in the vessel to at least 80 C., allowing the acid to react with the fabric for at least 6 minutes and removing all liquid.

A treatment liquid composition for use in ink jet pigment textile printing and used by attaching it to fabric contains a cationic compound, at least one compound selected from polyvinylpyrrolidones, polyethylene oxides, carboxymethyl celluloses, hydroxyethyl celluloses, and polyvinyl alcohols, and water. The fabric contains polyester.

Provided herein is an ink immobilizing composition that includes colloidal wax particles and a property-adjusting agent, being capable of causing immobilization of a property-sensitive ink composition upon contact therebetween on the surface of a substrate, as well as a process of printing a rub-resistant image, a kit for printing a rub-resistant image, and a substrate having a rub-resistant image printed thereon.

The present invention generally relates to a method for changing the color of a textile material to obtain a vintage and/or worn appearance comprising the steps of contacting the fabric textile material with a nitrate salt, activating the nitrate salt by the addition of an acid catalyst until the desired color change is achieved.

The present disclosure discloses application of a deep eutectic solvent in textile dyeing, belonging to the technical field of ecological dyeing and finishing of textiles. A natural hydrophobic deep eutectic solvent system (HDES) is first used as a dyeing medium to perform reactive dyeing on cotton. Firstly, the prepared natural hydrophobic deep eutectic solvent is mixed with a small amount of dye aqueous solution at high speed to prepare dye liquor, and then cotton fabric soaked with alkali liquor is put into a dye bath for dyeing. The dyeing method doesn't require addition of inorganic salts and other dyeing auxiliaries, but uses a small amount of water and alkali agent to achieve the same dyeing effect as traditional water bath, and the dyeing medium is safe and environment-friendly. After dyeing, cyclic dyeing can be achieved by simply separating the dye bath, which truly realizes green dyeing of reactive dyes.