Vinyl Sulphone Base Reactive Dyes


Vinyl Sulphone Base Reactive Dyes

Specifications

Brand Name DDI
Form Powder
Color Many Colors Available
Pack Size 5-20 Kg
Use In Textile & Paper Industries
Purity 100%

There dyes are having moderate reactivity and are widely used for dyeing & printing of cellulosic fibres for its very good fastness properties. These dyes are having very good features like good solubility, can be applied both by exhaust & padding methods and suitable for discharge printing very much effectively


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1. EXHAUST DYEING METHOD :-

Set the dye bath at recommended temp. (40°/60°C) and add dye solution & other additives in the bath as under

 

Dyeing at 40°C - Dyeing time is 90 minutes

  Jigger Dyeing Winch Dyeing
Material : Liquor Ratio 1 : 2 - 1 : 3 1 : 4 - 1 : 6 1 : 15 -1 : 30
Glauber Salt gms/lit. 50  50  50 
Soda Ash gms/lit. 5 5 5
Caustic Soda 72° Tw ml/lit. 4-6 3-4 1-2
or Tri Sod Phosphate gms/lit - 30 10-15

 

Dyeing at 60°C - Dyeing time is 60 minutes 

Material : Liquor Ratio 1 : 2 - 1 : 3 1 : 4 - 1 : 6 1 : 15 -1 : 30
Glauber Salt gms/lit. 50  50  50 
Soda Ash gms/lit. 5 5 5
Caustic Soda 72° Tw ml/lit. 3-5 2-3 1
or Tri Sod Phosphate gms/lit 30 20-25 5-10

After addition of alkali continue dyeing for 90 min.& 60min, respectively and wash, 


1. EXHAUST DYEING METHOD :-

2. PAD BATCH DYEING:-

(i) SHORT TIME PAD BATCH :

Dye stuff + Sod. Silicate 100gmsilit 100-106" Tw) + Caustic Soda (72°Tw) 15midit. —> 4 Hrs. Batch-—> Wash

(ii) ONE BATH-PAD BATCH PROCESS :

Dye stuff + Sod, Silicate (100-106 Tw) 100qms/lit + Caustic Soda (72°Tw) 5-10millit---> 24 Hrs. Batch---> Wash

(iii) ONE BATH-PAD-DRY SYSTEM PROCESS :

Dye Stuff + Urea 50 gmsilit + Sodium Bicarbonate 20-50 gmilit. + Resist Salt -10 gms/lit —> Dry —> Steam 3-4 min. at (100-105°C)-->Wash

(iv) TWO BATH-PAD-BATCH PROCESS:

Dye stuff--> Dry (1-3 min. at 150-200°C} —> Chemical Pad (Glauber's Salt-250 gms/lit + Caustic Soda 30 mifit.) —-> 2-4 Hrs. Batch —> Wash



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