Textile Dyeing Document for Lab Matching with Various Dyes.(Exhaust Process)

7/31/2019 Textile Dyeing Document for Lab Matching with Various Dyes.(Exhaust Process)

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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

1

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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10

Experiment no.: 02

Experiment name: Dyeing of cotton knit

fabric with reactive dyes in combined shade(Cold brand).

Introduction:


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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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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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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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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:


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:



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Precaution:

Conclusion:


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40

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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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:



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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:



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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:



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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:



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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:

Textile Dyeing Document for Lab Matching with Various Dyes.(Exhaust Process)

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