A method of making a tie dye solution for a fabric includes adding a first predetermined weight of sodium chloride to a second predetermined weight of a dye, wherein the first predetermined weight of the sodium chloride is based on the color of the dye. The method further includes mixing the first predetermined weight of the sodium chloride and the second predetermined weight of the dye together to form a dry dye mixture, dispensing the mixed first predetermined weight of the sodium chloride and the second predetermined weight of the dye into a dye bottle, and adding water to the dye bottle having the mixed first predetermined weight of the sodium chloride and the second predetermined weight of the dye to form the tie dye solution.

A fluid set includes a pre-treatment composition and an ink composition. The pre-treatment composition includes a multivalent metal salt, a cationic polymer, and an aqueous vehicle. The ink composition includes a pigment, a polyurethane-based binder, and an aqueous ink vehicle.

A fluid set includes a pre-treatment composition, an ink composition, and an overcoat composition. The pre-treatment composition includes a multivalent metal salt and an aqueous vehicle. The ink composition includes a pigment, a polyurethane-based binder, and an aqueous ink vehicle. An overcoat composition includes a blocked polyisocyanate crosslinker and an aqueous overcoat vehicle.

A reactive digital printing method can be performed with the following steps: 1) applying a primer to a fabric to be printed; (2) applying an ink containing a dye with multi-reactive groups to the fabric to be printed in step (1); (3) steaming and coloring, washing, dehydrating and shaping the fabric in step (2), to obtain a printed product. A related system with a combination of primer, a dye with multi-reactive group, printed fabric produced with the reactive digital printing method and items comprising the printed fabric can also be provided.

A composition for aqueous ink contains water and a coloring material, wherein the calcium ion content x (ppm) and the oxalate ion content y (ppm) in the composition for aqueous ink jet satisfy the relation of y≤3491.8x.sup.−3.386.

An inkjet pre-treatment fluid for textile printing includes a fixing agent including a multivalent metal cation; and a blocked polyisocyanate selected from the group consisting of a non-ionic blocked polyisocyanate, a cationic blocked polyisocyanate, and an anionic blocked polyisocyanate having an acid number less than 5 mg KOH/g. The inkjet pre-treatment fluid further includes a liquid vehicle.

A method for dyeing, such as vat dyeing, or coating synthetic fibers, such as polyester fibers and/or polyamide fibers, or yarns or fabrics including these fibers can include providing a powdered dye or a powdered precursor dye (powdered leuko dye), or providing an aqueous dye formulation or an aqueous precursor dye formulation (an alkaline aqueous leuko dye formulation). An aqueous system including a lipase enzyme can be provided. The fibers/yarn/fabric can be pretreated with the aqueous system, and the pretreated fibers/yarn/fabric can be coated or dyed with the powdered dye or powdered precursor dye, or with the aqueous dye formulation or aqueous precursor dye formulation.

An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190 C. to 260 C., wherein the hue angle h defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.

An aqueous ink composition for ink jet textile printing contains: lithium ions; sodium ions; and a dye in which a plurality of ligands represented by any of formula (1), formula (2), and formula (3) coordinate to a metal atom.

##STR00001##

The present invention relates to a method for reducing or preventing the decomposition of a composition Z comprising Z1 a salt of dithionous acid in an amount ranging from 50 to 100 wt % and optionally Z2 an additive selected from the group consisting of alkali metal carbonate, alkaline earth metal carbonate, alkali metal or alkaline earth metal tripolyphosphate (Na.sub.5P.sub.3O.sub.10), alkali metal or alkaline earth metal sulfite, disulfite or sulfate, dextrose and complexing agents in a combined amount ranging from 0.0001 to 40 wt %, which comprises contacting the components Z1 and optionally Z2 in the solid and/or dry or solvent-dissolved or -suspended state with at least one of the following compounds V in the solid and/or dry or solvent-dissolved or -suspended state, wherein the compounds V are selected from the group consisting of: (a) oxides of the alkali metals lithium, sodium, potassium, rubidium, cesium, or of magnesium, (b) sodium tetrahydroborate (NaBH.sub.4), (c) anhydrous copper(II) sulfate (Cu(SO.sub.4)), phosphorus pentoxide and (d) basic amino acids arginine, lysine, histidine, wherein the solvent for Z1, optionally Z2 and V is practically water-free.