In Pretreatment, all these impurities are removed and fabric is brought to
a stage where it is more absorbent and white and can be easily processed.
further. Major steps involved in textile pretreatment are, desizing,
scouring, mercerization and bleaching. In every step, different chemicals
are involved which are -
- Wetting Scoring agents
- Sequestering agents
- Mercerizing agents
- Hydrogen Peroxide stabilizers
- Hydrogen Peroxide killers
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TEXTILE DYEING &
TEXTILE PRINTING CHEMICALS
Colouration of textiles involves use of dyes and pigments of
various classes, which are applied to the textile materials by essentially
different techniques of textile dying and printing. In dyeing, general
approach is production of even dyeing using large volume of dyestuff,
thickening agent and small amount of water. In dyeing, following textile
chemicals are used for various like -
- Dispersing agent
- Leveling agent
- Acid buffer
- All in one
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