Classification of Dyes - PART - I

1. DEPARTMENT OF COSTUME DESIGN AND FASHION
SUBJECT : FABRIC PRODUCTION PROCESSING
SUBJECT INCHARGE : PRIYANKA.P

2. CLASSIFICATION OF
DYES
FPP - Presented by Priyanka.P III B.Sc CDF 06 .10.2020

3. Basically dyes can be
classified
 according to system
 according to class.

5. DYES

6. Natural dyes :
 derived from plants,
invertebrates, or minerals.
 The majority of natural dyes
are vegetable dyes from plant
sources—roots, berries, bark,
leaves, and wood—and other
biological sources such as
fungi.
FPP - Presented by Priyanka.P III B.Sc CDF 06 .10.2020

7.  There are early
archaeological finds of
indigo from over 6000
years ago
 in the Indus Valley on
the Indian sub-
continent, then 4000
years ago in Egypt,
India and China.
INDIGO:

8. FPP - Presented by Priyanka.P III B.Sc CDF 06 .10.2020

9. .
 In the beginning,
workers
 pour the bluegrass
 like Isatis root,
 into the bar,
 with big stones or
woods on them

10. .
After several days,
 they filter the liquid
 add the lime with a proportion of 1.5%.
 then they use the stick to stir the liquid.

11. .
 After the lees of indigo
dyeing gradually subside,
 people discharge the water.
 In the end, the indigo dyeing
will be like a thick porridge.
 Indigo dyeing is successfully
made.

12. http://toyourjean.com/
The most important natural vat dye is Indigo
FPP - Presented by Priyanka.P III B.Sc CDF 06 .10.2020

13. .
CHEMICA
L DYES
FPP - Presented by Priyanka.P III B.Sc CDF 06 .10.2020

14. .
Who is
powerful?

15. ACID
DIRECT
VAT
BASIC
AZOIC
SULFUR
DISPERSE
SOLVENT
REACTIVE

16. .
Acid Dyes:
 Acid dyes are water-soluble anionic dyes,
 are applied to nylon, wool, silk and modified acrylics.
 They are also used to some extent for paper, leather,
inkjet printing, food, and cosmetics.
 The wet-fastness of these dyes varies
 from moderate to good and
 their lightfastness is generally
 in the blue-scale range 5.0–6.0.

17. .
THANK YOU
FPP - Presented by Priyanka.P III B.Sc CDF 07 .10.2020