Reactive Blue 222

Uses

Reactive Blue 222 is used for dyeing cotton and viscose fibers, suitable for both exhaustion and pad dyeing methods. It exhibits good high-temperature stability. It is also used for dyeing polyester-cotton, polyester-viscose blends, as well as linen and silk. It demonstrates excellent colorfastness across various coloring processes.

Preparation

2-Aminonaphthalene-1,5-disulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling,2,4-Diaminobenzenesulfonic acid with 2,4,6-Trichloro-1,3,5-triazine, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, condensation products diazo, coupled with the foregoing income product matches.

Properties and Applications

navy blue. Dark blue powder. Soluble in water, 50 ℃ when solubility of 80 g/L. Used for cotton, viscose fiber Exhaust dyeing method, pad staining, can be used for polyester/cotton, polyester/stick blended fabric dyeing, can also be used for the linen and silk dyeing. Suitable for the cellulose fibre printing, including discharge printing, dyeing performance than the C.I.Reactive Blue 194.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	5-6	5		5	5	5	5