Now You Know Polyester/Cotton (P/C) Blends Fabric Dyeing: Recipe, Parameters, Flowchart and Dyeing Curve
Monday, 21 January 2019
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Polyester/Cotton (P/C) Blends Fabric Dyeing: Recipe, Parameters, Flowchart and Dyeing Curve
Engr. Kazi Zakaria Ahmed
M.Sc. in Applied Chemistry & Chemical Technology (IU)
B.Sc. in Textile Engineering (DU)
Lecturer, Department of Garments & Textile Engineering
BCMC COLLEGE OF ENGINEERING & TECHNOLOGY
Jessore-7400, Bangladesh
E-mail: iamzakdude@gmail.com
M.Sc. in Applied Chemistry & Chemical Technology (IU)
B.Sc. in Textile Engineering (DU)
Lecturer, Department of Garments & Textile Engineering
BCMC COLLEGE OF ENGINEERING & TECHNOLOGY
Jessore-7400, Bangladesh
E-mail: iamzakdude@gmail.com
RECIPE AT DIFFERENT STAGES IN DYEING COTTON FABRIC:
PRETREATMENT | |
Ingredient | Quantity |
Wetting agent (Sun Mori CK-1) | 0.5 g/l |
Anti creasing agent (Texport D – 600) | 1.3 g/l |
Sequestering agent (Sirrix-SQ) | 0.5 g/l |
Caustic | 3 g/l |
Stabilizer (Neorate PH-100 ) | 1 g/l |
Hydrogen per oxide (H2O2) | 3.5 g/l |
Peroxide killer(Crocks-N) | 1 g/l |
Neutralization | |
Acetic acid | 1 g/l |
Enzyme treatment | |
Acetic acid | 0.3 g/l |
Bio –polish EC | 1 g/l |
Dyeing | |
Acetic acid for leveling agent | 0.3 g/l |
Levelling agent (Neocrystal EDX/200B) | 1 g/l |
Anti creasing agent (Texport D – 600) | 1.5 g/l |
Dyes | |
Salt | 40% owf |
Soda | 15% owf |
After Treament | |
Fixing agent (Neofix ECO/Cibafix FRD) | 0.5 g/l |
Soaping agent(Lipotol PS-60) | 0.8 g/l |
Acetic acid | 1 g/l |
SOFTENING | |
Acetic acid | 0.2 g/l |
Softener( Perrostol CWS) | 1 g/l |
Table No-1: Recipe at different stages in cotton dyeing.
Different parameters in DYEING:
Process of Polyester/Cotton (p/C) Fabric dyeing:
RECIPE FOR MACHINE WASH:
Ingredient | Amount |
Detergent (Solax) | 0.5 gm/L |
Caustic | 1 gm/L |
Hydrous | 2 gm/L |
Table No- 2: Recipe for m/c wash.
Different parameters in DYEING:
A. pH | |
During peroxide bleaching & scouring | 9-11 |
During enzyme treatment | 4.5-5 |
Before addition of leveling agent | 6-6.5 |
Before addition of color softener(Perrustol IMA-500) | 6-6.5 |
Before addition of white softener(Perrustol VNO-500) | 4.5-5 |
Softener at stenter & de-watering | 5.5-6 |
Silicon softener | 5.5-6 |
10.5-12 | |
4.5-5.5 | |
B. Temperature | |
For cotton scouring | 95-110˚C |
For cotton cold wash | 40-50˚C |
For cotton hot wash | 70-80˚C |
For cotton acid wash | 60-70˚C |
For cotton dyeing | 80˚C ( For hot brand)/60˚C(For cold brand) |
C. Time | |
For scouring and bleaching | 60-90 minutes |
For reactive dyeing | 60-90 minutes |
For disperse dyeing | 60-90 minutes |
Table No-3: Different parameters of dyeing.
Process of Polyester/Cotton (p/C) Fabric dyeing:
- At first the Polyester Part dyeing same as Polyester Dyeing.
- Then the Cotton Part dyeing same as Cotton Dyeing.
Dyeing Procedure of polyester fabrics with Curve:
Required amount of water filled
↓
Fabric was loaded and run for 10 min.
↓
Drain
↓
Required amount of water filled
↓
CK-2 and oxalic acid was added for 5 min.
↓
Run for 20 min. at 800C
↓
Rinse for 15 min.
↓
Drain
↓
Required amount of water filled
↓
Formic acid added for PH- controlled
↓
Check PH at 4.5
↓
Leveling agent (DIF) added for 10 min.
↓
Temperature increase at 600C
↓
Color/Dyes added for 15 min.
↓
Run for 10 minutes
↓
Temperature increases at 1300C for 30 min.
↓
Run for 30 minutes
↓
Cooling at 800C
↓
Shade check
↓
Rinsing for 15 min.
↓
Drain
↓
Required amount of water filled
↓
Hot wash at 800C
↓
Shade check
↓
Rinsing for 15 min.
↓
Unloading
Required amount of water filled
↓
Fabric was loaded and run for 10 min.
↓
Drain
↓
Required amount of water filled
↓
CK-2 and oxalic acid was added for 5 min.
↓
Run for 20 min. at 800C
↓
Rinse for 15 min.
↓
Drain
↓
Required amount of water filled
↓
Formic acid added for PH- controlled
↓
Check PH at 4.5
↓
Leveling agent (DIF) added for 10 min.
↓
Temperature increase at 600C
↓
Color/Dyes added for 15 min.
↓
Run for 10 minutes
↓
Temperature increases at 1300C for 30 min.
↓
Run for 30 minutes
↓
Cooling at 800C
↓
Shade check
↓
Rinsing for 15 min.
↓
Drain
↓
Required amount of water filled
↓
Hot wash at 800C
↓
Shade check
↓
Rinsing for 15 min.
↓
Unloading
Reduction Cleaning-
Caustic Dosing (600C X 6 min)
↓
Raising Temp at 1300C
↓
Hydrose injection
(Run time- 10 min at 800C)
↓
Normal wash
↓
Drain
Caustic Dosing (600C X 6 min)
↓
Raising Temp at 1300C
↓
Hydrose injection
(Run time- 10 min at 800C)
↓
Normal wash
↓
Drain
 |
| Figure-1: Dyeing Curve of Polyester. |
Cotton Dyeing Steps with Curve:
Required amount of water was taken into the machine
↓
The fabric was loaded and run for 5-10 minutes in normal temperature
↓
CK-2,D-600/C,SQ-12UD and PH-100 (Scouring Chemicals) were added at a time for 5 minutes
↓
Caustic was added at normal temperature for 5 minutes
↓
Temperature increased at 600C
↓
Hydrogen per Oxide(H2O2)was added for 5 minutes
↓
Temperature increased at 950C and continue for 1 hrs
↓
Sample check
↓
Cold wash at 400C for 5-10 minutes
↓
Hot wash at 950C for 5-10 minutes
↓
Required amount of water was loaded
↓
Croak-N was added
↓
Acetic acid was added
↓
Temperature increased at 800C for 15-20 minutes
↓
Cold wash at 400C and drain
↓
Water filled and Acetic acid was added
↓
PH check at 4.5
↓
Temperature increased at 550C
↓
Enzyme (Bio-EC) was added and run for 1hrs at 550C
↓
Shade check
↓
Cold wash at 400C and drain
↓
Water filled/Required amount of water was taken
↓
Temperature increased at 95-990C for 5-10 minutes
↓
Cold wash at 400C and drain
↓
Acetic acid was added
↓
PH check at 4.5
↓
EDX/200B and C/D-600 were added at a time
↓
Salt dosing
↓
Color dosing for 30 min
↓
Run for 10 min
↓
Soda dosing for 40 min
↓
Run for 7 min
↓
Temperature increase at 600C for 5 min
↓
Run for 10 min
↓
Shade check (OK)
↓
Rinsing
↓
Water was filled at required amount
↓
PS-60 was added
↓
Temperature increase at 800C for 10 min
↓
Hot wash at 900C for 20 min and shade check in this time (OK)
↓
Rinsing
↓
Water was filled at required amount
↓
Acetic acid was added for neutralization for 10 min
↓
Shade check (ok)
↓
ECO/FRD was added for 10 min
↓
Rinsing
↓
Water was filled at required amount
↓
PH check at 6.5
↓
(C.W.S) softener was added
↓
Final shades check and run for 20 min
↓
Unload the dyed fabric
Required amount of water was taken into the machine
↓
The fabric was loaded and run for 5-10 minutes in normal temperature
↓
CK-2,D-600/C,SQ-12UD and PH-100 (Scouring Chemicals) were added at a time for 5 minutes
↓
Caustic was added at normal temperature for 5 minutes
↓
Temperature increased at 600C
↓
Hydrogen per Oxide(H2O2)was added for 5 minutes
↓
Temperature increased at 950C and continue for 1 hrs
↓
Sample check
↓
Cold wash at 400C for 5-10 minutes
↓
Hot wash at 950C for 5-10 minutes
↓
Required amount of water was loaded
↓
Croak-N was added
↓
Acetic acid was added
↓
Temperature increased at 800C for 15-20 minutes
↓
Cold wash at 400C and drain
↓
Water filled and Acetic acid was added
↓
PH check at 4.5
↓
Temperature increased at 550C
↓
Enzyme (Bio-EC) was added and run for 1hrs at 550C
↓
Shade check
↓
Cold wash at 400C and drain
↓
Water filled/Required amount of water was taken
↓
Temperature increased at 95-990C for 5-10 minutes
↓
Cold wash at 400C and drain
↓
Acetic acid was added
↓
PH check at 4.5
↓
EDX/200B and C/D-600 were added at a time
↓
Salt dosing
↓
Color dosing for 30 min
↓
Run for 10 min
↓
Soda dosing for 40 min
↓
Run for 7 min
↓
Temperature increase at 600C for 5 min
↓
Run for 10 min
↓
Shade check (OK)
↓
Rinsing
↓
Water was filled at required amount
↓
PS-60 was added
↓
Temperature increase at 800C for 10 min
↓
Hot wash at 900C for 20 min and shade check in this time (OK)
↓
Rinsing
↓
Water was filled at required amount
↓
Acetic acid was added for neutralization for 10 min
↓
Shade check (ok)
↓
ECO/FRD was added for 10 min
↓
Rinsing
↓
Water was filled at required amount
↓
PH check at 6.5
↓
(C.W.S) softener was added
↓
Final shades check and run for 20 min
↓
Unload the dyed fabric
 |
| Figure-2: Scouring & Bleaching Curve. |
 |
| Figure-3: Enzyme Treatment Curve. |
 |
| Figure-4: Dyeing Curve of Cotton. |