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SOUTHEAST
UNIVERSITYLab Works on Dyeing Technology
By
Khandaker Sakib Farhad
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Lab works of Dyeing Technology Khandaker Sakib Farhad
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ExperimentNo.
Name of the Experiment PageNo.
01 Combined scouring and bleaching of cotton fabric
2
02 Dyeing of cotton knit fabric withreactive dyes in combined shade
(Cold brand)
10
03 Tie die of cotton fabric with reactivedye (Cold brand)
17
04 Batik printing of cotton fabric with
reactive dye (Cold brand)
24
05 Degumming of silk fabric 30
06 Bleaching of degummed silk fabric 35
07 Dyeing of Polyester and cotton blendfabric with disperse dye
40
08 Dyeing of cotton/polyester blend
fabric with direct dye (Cold brand)
46
09 Discharge printing on the cottondyed fabric
52
10 Dyeing of cotton fabric with pigment 56
11 Dyeing of silk fabric with acid dye 61
12 Estimation of scouring and bleachingeffect
66
13 Color fastness to wash 73
14 Dimensional stability to shrinkage%of washing
78
15 Azo color test of dyed sample 81
16 Color fastness to hot pressing. 85
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Experiment no.: 01
Experiment name: Combined scouring and
bleaching of cotton fabric.
Introduction:
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Scouring & Bleaching mechanism:
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Figure: Bleaching Mechanism.
C= C C= C-O2H
HO HO
Colored fabric Colorless fabric
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Apparatus:
Dyeing curve:
Room Temperature
Time
Temperatur
e
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Functions of chemicals:
Calculation:
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Working Procedure:
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After treatment:
Precaution:
Conclusion:
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Experiment no.: 02
Experiment name: Dyeing of cotton knit
fabric with reactive dyes in combined shade(Cold brand).
Introduction:
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Lab works of Dyeing Technology Khandaker Sakib Farhad
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Objects:
Dyeing recipe:
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Dyeing mechanism:
Time
Fixation
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Apparatus:
Dyeing curve:
Room Temperature
Time
Temperature
Temperature
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Functions of chemicals:
Working Procedure:
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Calculation:
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After treatment:
Precaution:
Conclusion:
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Experiment no.: 03
Experiment name: Tie die of cotton fabric
with reactive dye (Cold brand).
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
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Apparatus:
Dyeing curve:
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Working Procedure:
Calculation:
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After treatment:
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Functions of chemicals:
Precaution:
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Conclusion:.
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Experiment no.: 04
Experiment name: Batik printing of cotton fabric
with reactive dye (Cold brand).
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
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Apparatus:
Dyeing curve:
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Working Procedure:
Calculation:
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After treatment:
.
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Functions of chemicals:
Precaution:
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Experiment no.: 05
Experiment name: Degumming of silk fabric.
Introduction:
Objects:
Dyeing recipe:
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Degumming mechanism:
Apparatus:
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Calculation:
Working Procedure:
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After treatment:
Functions of chemicals:
Precaution:
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Conclusion:
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Experiment no.: 06
Experiment name: Bleaching of degummedsilk fabric.
Introduction:
Objects:
Dyeing recipe:
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Bleaching mechanism:
Apparatus:
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Working Procedure:
Calculation:
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After treatment:
Functions of chemicals:
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Precaution:
Conclusion:
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Experiment no.: 07
Experiment name: Dyeing of Polyester and
cotton blend fabric with disperse dye.
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
Apparatus:
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Dyeing curve:
Calculation:
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Functions of chemicals:
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Working Procedure:
After treatment:
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Precaution:
Conclusion:
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Experiment no.: 08
Experiment name: Dyeing of cotton/polyester
blend fabric with direct dye (Cold brand).
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
Apparatus:
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Dyeing curve:
Functions of chemicals:
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Working Procedure:
Calculation:
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After treatment:
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Precaution:
Conclusion:
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Experiment no.: 09
Experiment name: Discharge printing on the
cotton dyed fabric.
Introduction:
Objects:
Printing recipe:
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Preparation of Print Paste:
Apparatus:
Functions of chemicals:
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Working Procedure:
After treatment:
Precaution:
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Conclusion:
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Experiment no.: 10
Experiment name: Dyeing of cotton fabric
with pigment.
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
Apparatus:
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Dyeing curve:
Functions of chemicals:
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Working Procedure:
Calculation:
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After treatment:
Drying
Precaution:
Conclusion:
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Experiment no.: 11
Experiment name: Dyeing of silk fabric with
acid dye.
Introduction:
Objects:
Dyeing recipe:
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Dyeing mechanism:
Apparatus:
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Dyeing curve:
Functions of chemicals:
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Working Procedure:
Calculation:
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After treatment:
Precaution:
Conclusion:
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Experiment no.: 12
Experiment name: Estimation of scouring
and bleaching effect.
Introduction:
Objects:
Scouring & Bleaching Effect Tests:
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Drop Test:
Shapes of Drops
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Colum Test/Wicking Test:
5cm
Stand
Immersed fabric
17cm
1 cm Dye
Solution
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Immersion Test:
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Conclusion:
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Experiment no.: 13
Experiment name: Color fastness to wash.
Introduction:
Objects:
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Color fastness to wash tests:
ISO-105-C02 test:
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ISO-105-C03 test:
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Conclusion:
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Experiment no.: 14
Experiment name: Dimensional stability to
shrinkage% of washing.
Introduction:
Objects:
Principle:
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Recipe:
Apparatus:
Sample measurement:
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Working procedure:
Calculation:
( ) ( )
( )
( ) ( )
( )
Results:
Conclusion:
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Experiment no.: 15
Experiment name:Azo color test of dyed
sample.
Introduction:
Objects:
Testing recipe:
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Apparatus:
Testing procedure:
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Test result:
Precaution:
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Conclusion:
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Experiment no.: 16
Experiment name: Color fastness to hot
pressing.
Introduction:
Objects:
Principle:
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Controlling points:
Apparatus:
Sample specimen:
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Dry pressing test:
Damp pressing test:
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Wet pressing test:
Precaution:
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