Procedure: High Temperature Dyeing of 100% Cotton

hi_temp_cotton_procedure

     

  • Prepare, rinse and neutralize fabric as required.
  • Set bath at 110°F with:
    • 1.0 g/l Buffer P-7
    • 0.5 g/l Sequestering Agent (if needed)
  • Run 5 minutes.
  • Add KAYACELON REACT dyes (pre-dissolved at 180°F).
  • Run 10 minutes.
  • And 1/10 total amount sodium sulfate.
  • Run 10 minutes.
  • Add remaining 9/10 sodium sulfate.
  • Check pH (6.5-7.5) and salt concentration.
  • Heat to 250°F at 3-5°F/mlnute.
  • Run 15-30 minutes (depending on depth of shade).
  • Cool to 170°F. Sample. If shade is acceptable, drop bath.
  • Fill and heat to 140°F. Run 10 minutes. Drop bath.
  • Fill hot and add:
    • x g/l Scouring Agent
  • Heat to 200°F. Run 10 minutes. Cool and drop bath.
  • Fill and heat to 140°F. Run 10 minutes. Drop bath.
  • Rinse until clear. Unload.

Sodium Sulfate Table

Dye (%)
Cotton (g/l)
Rayon (g/l)
0.00-0.15
10
7
0.16-0.25
15
10
0.26-0.50
20
15
0.51-0.75
30
20
0.76-1.00
40
30
1.01-1.50
50
35
1.51-2.00
60
40
2.01-2.50
70
50
2.51 or over
80
60
If brine or common salt is used, the recommended amount is 70% of the amount illustrated in the table above.

Buffer P-7

Properties

Appearance: White powder
Composition: Mixture of phosphates
pH: 6.5 (1.0 g/l aqueous solution with 40 g/l of Glauber's salt)
Solubility: Dissolves easily in warm water

Characteristics

  • A pH of 6.8-7.2 is produced in a dyebath containing Glauber's salt.
  • Especially useful for one-bath dyeing of 100% cotton with KAYACELON REACT Reactive Dyes.

Usage

  • Add 1.0 g/l to the dyebath for dyeing with KAYACELON REACT Reactive Dyes.
  • Neutralization in advance is required if strong alkali or acid is used for pretreatment.

This area is reserved for offline
development of new content.