MST® Fancy Reactive Dark Blue M-2GE
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MST® Fancy Reactive Dark Blue M-2GE is a kind of reactive dyes. As reactive blue, it can form three primary colors with reactive red 195 and reactive yellow 145. MST® Fancy Reactive Dark Blue M-2GE is stable in color and is often used for printing and dyeing cellulose fibers. Milestone Industrial Co. Ltd. is a manufacturer specializing in the production of reactive dyes. The reactive dyes produced are sold well in China and exported to foreign markets.
Other names: Reactive Blue M-2GE\Reactive Blue B-2GLN\Reactive Blue R-2GLN
Properties: dark blue powder.
CAS Number: 93050-78-3
C.I. Reactive Blue 194
Dissolution: easily soluble in water, the solubility in water at 50°C is 80 g/L.
Molecular formula: C34H22IN10Na5O19S
Preparation of Fancy Reactive Dark Blue M-2GE:
Reactive Blue 194 is obtained by diazotizing p-aminobenzene sulfonic acid, coupling with H acid, and then coupling with 2,4-diaminobenzene sulfonic acid and the diazonium compound of the condensation product of trimer and meta ester.
Uses of Fancy Reactive Dark Blue M-2GE:
Fancy Reactive Dark Blue M-2GE is suitable for exhaustion dyeing of cotton and viscose fibers, especially suitable for one-bath dyeing of polyester cotton, polyester viscose and disperse dyes.
The dyeing temperature of Reactive Dark Blue M-2GE is 40℃, and the fixing temperature is 60℃.
Performance of Fancy Reactive Dark Blue M-2GE application:
1) When the cotton and nylon two fibers are dip dyed in the same bath, the color of the two fibers by Reactive Dark Blue M-2GE
Fancy Reactive Dark Blue M-2GE has less staining of nylon during the same bath dyeing of cotton and nylon fibers. Even if dyed at a higher temperature, the dyeing on nylon does not increase significantly.
2) Application of Fancy Reactive Dark Blue M-2GE on Tencel
Fancy Reactive Dark Blue M-2GE material has good coplanarity. The dye and fiber rely on the subvalence of strength to make the dye easy to "stick" on the surface of the fiber, which increases the probability of reaction with the fiber. In addition, the -OH, -NH2 on the reactive dark blue B-2GLN can form hydrogen bonds with the fiber, and one end of the reactive group forms a covalent bond with the hydroxyl group on the cellulose, and the crosslinking effect is tight, which effectively improves the anti-pilling of Tencel Performance, but it also makes Tencel feel hard.