Swelling of cotton merserized process

1 – 5 : Swelling after alkali treatment

   6 : after washing

   7 : after drying

The aims of merserization can be summarised as follows:

•Obtaining a lustre an the fabric surfac

  •Dimensional stability

   •Higher strength  

  •Better dye uptake through an increase in the inner surface

•Improved dye absorption

1. Chain  Merserized machine

1.Alkali tank

2.Chain

3.Hot washing

4.Cold washing and netralized

2. Chainless Merserized Machine

1.Padder

2.Alkali tank

3.Hot washing

4.Cold washing

5.Padder

6.Stretcher roll

Merserized machine:

or merserized machine:

2. Swiss Finish

Specially for voille and organdy

       fabric.

Salient feature of swiss finish:

Treatment with caustic soda 29-300Be, 

0-100 C. (like merserized)

The degree of swiss finish following a one stage in combination with  H2SO4 give result see through for organdy and voille fabric

swish finish machine :

3. Parchmentizing Process:

 Parchmentizing process is a treatment for cotton that   gives fabric a stiffness, transparant and pattern effect

     Also known as Heberlein process

     Acid consentrate, temperature and times process  are     important to control