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Effects of a Multi Scouring Agent on the Pretreatment and Dyeing of different Cellulosic Knitted Fabrics

Olin Khan
Olin Khan
, 
Antara Wasima
Antara Wasima
, 
Nusrat Jahan
Nusrat Jahan
, 
Md. Imrul Sarkar
Md. Imrul Sarkar
 et 
Shohag Chandra Das
Shohag Chandra Das
   | 01 sept. 2023
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Article Category: Research Article
Publié en ligne: 01 sept. 2023
Pages: 56 - 63
DOI: https://doi.org/10.2478/ftee-2023-0028
Mots clés
© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Whiteness index of pretreated samples
Whiteness index of pretreated samples

Fig. 2.

Results of the drop test sample
Results of the drop test sample

Fig. 3.

K/S value for the samples
K/S value for the samples

Fig. 4.

Color fastness to washing (staining- left and fading -right)
Color fastness to washing (staining- left and fading -right)

Result of rubbing fastness of dyed samples

Sample ID Rubbing fastness
Dry Wet
CCPL 4/5 4
CEPL 4/5 4/5
CCPM 4/5 4
CEPM 4/5 3/4
CCPD 4/5 3
CEPD 4/5 4
VCPL 4/5 4/5
VEPL 4/5 4/5
VCPM 4/5 4/5
VEPM 4/5 4
VCPD 4/5 4/5
VEPD 4/5 4
LCPL 4/5 4/5
LEPL 4/5 4/5
LCPM 4/5 4
LEPM 4/5 4
LCPD 4/5 4
LEPD 4/5 4

Dyeing recipe for cotton, viscose, and linen

Pretreated dyeing sample ID Sample description Conc. of dye Dyeing bath chemicals Dyeing bath auxiliaries and parameters
CCPL Cotton conventionally pretreated cotton dyeing sample for light shade 0.5 % Salt: 30 g/LSoda: 15 g/L Wetting agent: 1 g/LSequestering agent: 1 g/LLevelling agent: 3 g/LAnti-creasing agent: 0.8 g/LTemperature: 60 °CTime: 60 minpH: 10-11
CEPL Cotton experimentally pretreated cotton dyeing sample for light shade
VCPL Viscose conventionally pretreated dyeing sample for light Shade
VEPL Viscose experimentally pretreated dyeing sample for light shade
LCPL Linen conventionally pretreated dyeing sample for light shade
LEPL Linen experimentally pretreated linen dyeing sample for light shade
CCPM Cotton conventionally pretreated dyeing sample for medium shade 1.5 % Salt: 35 g/LSoda: 15 g/L
CEPM Cotton experimentally pretreated cotton Dyeing sample for medium shade
VCPM Viscose conventionally pretreated dyeing sample for medium shade
VEPM Viscose experimentally pretreated dyeing sample for medium shade
LCPM Linen conventionally pretreated dyeing sample for medium shade
LEPM Linen experimentally pretreated dyeing sample for medium shade
CCPD Cotton conventionally pretreated dyeing sample for dark shade 3 % Salt: 50 g/LSoda: 20 g/L
CEPD Cotton experimentally pretreated dyeing sample for dark shade
VCPD Viscose conventionally pretreated dyeing sample for dark shade
VEPD Viscose experimentally pretreated dyeing sample for dark shade
LCPD Conventionally pretreated linen dyeing sample for dark shade
LEPD Linen experimentally pretreated dyeing sample for dark shade

Absorbency test results of pretreated samples

Sample ID Time Comment
CCP 1 sec Good
CEP 5 sec Uneven shape (Not good)
VCP 1 sec Good
VEP 1 sec Good
lcp 3 sec Good
lep 3 sec Good

Pretreatment recipe for cotton, viscose, and linen

Sample ID Sample description Pretreatment chemicals and parameters Pretreatment bath auxiliaries
CCP Cotton conventionally pretreated sample Caustic soda:1.5 g/LH2O2: 2 g/LH2O2 stabilizer: 0.25 g/LpH: 11 Time: 60 minTemp: 98 °C Wetting Agent: 1 g/LSequestering agent: 1 g/LAnti creasing agent: 0.8 g/L
VCP Viscose conventionally pretreated sample Soda ash light: 1.5 g/LpH: 10.5 Time: 20 minTemp: 90 °C
LCP Linen conventionally pretreated sample
CEP Cotton experimentally pretreated sample Viscobleach: 2 g/LpH: 9.5 Time: 60 minTemp: 80 °C
VEP Viscose experimentally pretreated sample
LEP Linen experimentally pretreated sample

Results of wash fastness of dyed samples

Sample ID Staining on multifibre fabric Shade change of tested sample
Acetate Cotton Nylon PET Acrylic Wool
CCPL 4/5 4 4/5 4/5 4/5 4/5 4/5
CEPL 4/5 4 4/5 4/5 4/5 4/5 4/5
CCPM 4/5 4 4/5 4/5 4/5 4/5 4/5
CEPM 4/5 4/5 4/5 4/5 4/5 4/5 4/5
CCPD 4/5 3/4 4/5 4/5 4/5 4/5 4/5
CEPD 4/5 4 4/5 4/5 4/5 4/5 4/5
VCPL 4/5 4/5 4/5 4/5 4/5 4/5 4/5
VEPL 4/5 4/5 4/5 4/5 4/5 4/5 4/5
VCPM 4/5 4/5 4/5 4/5 4/5 4/5 4/5
VEPM 4/5 4/5 4/5 4/5 4/5 4/5 4/5
VCPD 4/5 4/5 4/5 4/5 4/5 4/5 4/5
VEPD 4/5 4/5 4/5 4/5 4/5 4/5 4/5
LCPL 4/5 4/5 4/5 4/5 4/5 4/5 4/5
LEPL 4/5 4/5 4/5 4/5 4/5 4/5 4/5
LCPM 4/5 4/5 4/5 4/5 4/5 4/5 4/5
LEPM 4/5 4/5 4/5 4/5 4/5 4/5 4/5
LCPD 4/5 4/5 4/5 4/5 4/5 4/5
LEPD 4/5 4/5 4/5 4/5 4/5 4/5 4/5
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