DYES

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Dyes Soluble in water

Acid Dyes

The attachment to the fibers is at least

partially due to salt formation between the

anionic groups in the dye and the cationic

groups in the fibers.

Acid Dyes

Azoic Dyes

03

01

02

Basic Dyes

Acrylic fibers

Wool

Paper

Disperse Dyes

Disperse Dyes

Structure 1

Bond 2

Use 3

Disperse Dyes

Sulfur Dyes

Insoluble

Vat Dyes

CouplerCoupler

Coupler

01

02

0304

05

Direct Dyes

Direct Dyes

• Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline dye bath, at or near boiling point, with the addition of either sodium chloride or sodium sulfate or sodium carbonate.

Neutral Dyes

Vinylon

Nylon

Silk

Wool

Tussah silk

Neutral Dyes

Pigments

Pigments

Solvent Dyes

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