PRETREATMENT

PRETREATMENT

INTRO

Pretreatment is a heart of processing of textile. Grey cloth as woven a loom is quite unattractive and contains numerous natural as well as added impurities which hinder the successful carrying out of subsequent step like dyeing, printing and finishing.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