1. |
Exhaust Dyeing
|
| 1.1 |
Recipe of dyeing bath
Dyes: X%(o.w.f)
Acetic acid: adjust pH to 4.5-5
Levelling agent: 0.5-1g/l |
| 1.2 |
Dyeing condition
Liquor ratio: 1:10-40
Temperature: 130°C
Time: 40-60min |
| 1.3 |
Dyeing diagram

|
| 1.4 |
Reduction clearing (After treatment) Assistant Dyes |
| |
Recipe:
Hydrosulphite: 2g/l
Caustic soda(38º Be'): 2ml/l
Temperature: 70-80°C
Time: 20min
Liquor ratio: 1:50 |
| 1.5 |
Rinsing and Drying |
| 2. |
Thermosol |
| 2.1 |
Padding-Drying
Recipe of padding liquor
Disperse dyes: xg/l
Sodium alginate: 2g/l
Liquor pick-up: 60%
Drying temp: 70-90°C |
| 2.2 |
Thermofixation
Temperature: 180-220°C
Time: 90sec. |
| 2.3 |
After teatment
Rinsing→ Reduction clearing →Rinsing →Drying |
| 3. |
Carrier dyeing
Recipe:
Disperse dyes: x%(o.w.f)
Carrier: 2-4g/l
Acetic acid: Adjust pH to 4.5-5
Ammonium sulphate: 1-2g/l
Temp.x Time: 100°Cx60-90min
Dyeing diagram

Other: Same as in Exhaust dyeing
|
| 4. |
Printing |
| 4.1 |
Recipe of printing paste:
Disperse dyes: xg
Water: yml
Urea: 20g
Sodium chlorate: 2g
Tartaric acid: 3g
Soluble starch thickener (pH=4.5-5):500g
Total amount:1000g |
| 4.2 |
Procedure
Printing→ Drying→ Steaming(165-185°C×5-10min)
Thermofixation (190-210°C×90sec)→ Rinsing→
Reduction clearing → Rinsing→ Drying |