JSS1 First Term Creative and Cultural Art (CCA) Lesson Note – Preparation of Dye Bath

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WEEK  5.                                                                                                     

TOPIC: PREPARATION OF DYE BATH

1. Preparation of dye bath.
2. Dyeing process

PREPARATION OF DYE BATH.

This involves setting up objects which can be used for dyeing process. The dye bath here refers to a pit filled with dye substance or a big bowl for dyeing. The dye pit is prepared when the necessary mixtures are in the dye bath e.g dye, water, caustic soda, hydro-sulphite, salt.

DYING PROCESS.

1. The fabric to be dyed must be clean; you do this by washing the fabric with water.
2. Plan your design by tying cloth in any combination.
3. Prepare your dye bath.
4. Dip cloth in dye solution and stir constantly with stick so that the material will be dyed evenly or using hand /rubber gloves to protect your hand.
5. Leave the material in dye bath for about 40 minutes.
6. Remove from dye and Hang for oxidation for 10 minutes.
7. Rinse in cold water

If another colour is to be used, untied the strings desired, re-tie at other sports and put in another colour of dye solution.  Start with …………….

The two chemicals used with the dye stuff are:

1. Sulphuric acid and chlorine
2. Turpentine and glaze
3. Caustic soda and sodium sulphite
4. Sodium hydrosulphite and fixative

Why is it necessary to put on rubber gloves during dyeing exercise?

1. To prevent the damaging actions of the chemicals on the skin
2. To make the turning of the cloth easier
3. To make the cloth absorb easier
4. To make dye solution cover the materials well

Dye stuff are:

1. Mixture of some chemicals
2. Substances obtained from some plants and processed into several colour
3. Products of some fruits juice
4. Combination of water colour and oil colour

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