Page 102 - Shawl Weaving Artisan - TP
P. 102
Textile & Handloom Exercise 1.6.63
Shawl Weaving Artisan - Wet Processing
Practice scouring on wool, silk and jute fibers
Objectives : At the end of this exercise you shall be able to
• scouring on wool, silk and jute.
Requirements
Tools/equipment’s/Instruments
• Gas stove - 1 No. • Lab thermometer - 1 No.
• Stainless steel beaker - 1 No. • Glass/metal stirring rods - 1 No.
• Soda ash - as reqd. Materials
• Washing and soaping agent - as reqd. • Wool yarn hanks - as reqd.
PROCEDURE
TASK 1: Scouring on wool
Refer Ex No - 1.6.51 - TASK 1
TASK 2: Scouring on silk
1 Take a silk sample and soak it with water. 8 Turn off the gas stove and let the silk sample soak in
the solution for 15-30 minutes.
2 Then pour water into the beaker. (The water should
be enough so that the entire sample is dipped into it). 9 Now take the sample out of the beaker and wash it
3 Then place the beaker on gas stove and turn on the first with cold water to remove all soap and impurities.
gas. 10 Now add acetic acid (1-2%) with water in a beaker
4 Now add a small amount of mild detergent soap in and add a silk sample in it to restore their natural pH
the water and let the water get a little warm. balance.
11 Now repeat the washing process until the water runs
5 Put the silk fiber in the detergent solution. Make sure
the sample is fully covered by the solution. clear.
6 Keep the temperature low 40 °C to 50 °C during the 12 Gently squeeze out excess water from the silk
process, the temperature doesn’t exceed to 60°C . sample and dry it in a room temperature, avoid direct
sunlight.
7 Continue stir the sample with the help of rods for at
least 5-10 min.
TASK 3: Scouring on jute
1 Take a jute sample and soak it with water. 8 Turn off the gas stove and let the jute sample soak in
the solution for 15-30 minutes.
2 Then pour water into the beaker. (The water should
be enough so that the entire sample is dipped into it). 9 Now take the sample out of the beaker and wash it
3 Then place the beaker on gas stove and turn on the first with cold water to remove all soap and impurities.
gas. 10 Now add acetic acid (1-2%) with water in a beaker
and add a jute sample in it to restore their natural pH
4 Now add a small amount of mild detergent soap in
the water and let the water get a little warm. balance.
11 Now repeat the washing process until the water runs
5 Put the jute sample in the detergent solution. Make clear.
sure the sample is fully covered by the solution.
6 Keep the temperature low 60°C to 80°C during the 12 Gently squeeze out excess water from the jute
sample and dry it in a room temperature, avoid direct
process.
sunlight.
7 Continue stir the sample with the help of rods for at
least 10-15 min.
90

