Composite active black dye
A reactive black and dye technology, applied in the field of dyes, can solve the problems of difficulty in guaranteeing level dyeing and reproducibility, insufficient blackness and other problems, and achieve the effect of good color fixing ability, excellent color depth and high fixing ratio.
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[0022] 82 parts of formula (1) dye, 8 parts of formula (2) dye, 2 parts of formula (3) dye, and 8 parts of formula (4) dye are fully mechanically mixed to obtain the composite reactive black dye of the present invention.
[0023] Dyeing instructions
[0024] Dyeing instructions 1
[0025] Dissolve 1g of the dye prepared in the above manner with an appropriate amount of water, and then dilute it into a 250ml volumetric flask. Take 50ml dye solution and mix with 50ml water, then add 5g cotton cloth, 6g sodium sulfate, then increase to 60℃ at a heating rate of 1℃ / min, keep it for 30 minutes, add 2g sodium carbonate, and keep 60℃ for 30 minutes, then Take out the dyed cotton cloth, boil it with non-ionic detergent in boiling soap for 15 minutes, then wash with water and dry at about 70°C. The result is better than KN-GRC black, BED black, ARC black, and good washing fastness. , Jet black, plump black.
[0026] Dyeing instructions 2:
[0027] Dissolve 2g of the dye prepared in the abov...
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