Thickener

Thickeners are adhesive substances used in making viscose printing pastes in water. Thickener is used to impart stickiness and plasticity to the printing paste so that it can be applied on the fabric surface without spreading and bleeding and can be capable of maintaining the designs under high pressure.
Classification of thickener:

  1. Natural.
    1. Creals starch.
    2. Plant exudates.
    3. Roots and seeds.
    4. Sea weeds.
  2. Modified starch.
    1. Starch derivatives.
    2. Cellulose derivatives.
    3. Gum derivatives.
  3. Synthetic.
    1. Acrylic, polyacrylic acid, polyacrylic amide.
    2. Vinyl, poly vinyl alcohol etc.
  4. Emulsion.
    1. Oil in water.
    2. Water in oil.

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