Properties:
- Basic dyes are soluble in alcohol or methyl sprit but do not soluble in water.
- Basic dyes are suitable for brilliant shade.
- Fastness properties are average to good.
- Applied usually jute, cotton and acrylic fibers.
- No affinity to cotton fibers.
- Direct affinity to jute fiber and easily to dye.
- Washing fastness is moderate to good.
Jute dyeing with basic dye:
Recipe:
Basic
dye = 2% OWF.
Acetic
acid = 3% OWF.
M:
L ratio = 1:20
Time
= 1hour.
Temperature
= 100ºC.
Dyeing Curve:
Dyeing procedure:
- At first, a paste is made with basic dye and acetic acid and with the addition of water.
- The dye bath is set at 40ºC and adds the dye solution to the dye bath.
- Then the sample is kept to the dye bath and temperature is raised at 80-100ºC.
- The dyeing is performed at this temperature for 1 hour.
- After dyeing the dyed sample is squeezed after washing and then drying.
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