Uses
Vat Green 3 is mainly used for dyeing cotton fibers and printing cotton fabrics. It has good evenness and affinity. It can also be used for dyeing blended fabrics such as vinylon/cotton and polyester/cotton, as well as wool and silk. However, it is more often used for color matching, such as matching with Vacuum Blue RSN and Vacuum Dark Blue BO to form Vacuum Dark Blue VB, matching with Vacuum Khaki GG to dye grass green, and matching with Vacuum Yellow GCN and Vacuum Gray BG to dye various shades of olive green.
Preparation
in Sodium carbonate and Cupric oxide under the existence of, in the boiling of naphthalene, 3-Bromo-6aH-benzo[de]anthracen-7(8H)-one and 1-Aminoanthracene-9,10-dione condensation,Then isobutanol cyclization with potassium hydroxide.
Flammability and Explosibility
Not classified
Synthesis
Indanthren Olive Green B,
Imide Green, is prepared from
3-(anthraquinonyl-(1)-amino)benzanthrone by
alkali melt.
Properties and Applications
deep green. Dark gray green powder. Etanol and insoluble in water, soluble in Pyridine . In concentrated sulfuric acid for brilliant yellow green, diluted into olive green. Alkaline reduction leuco as dark blue; Acid reduction leuco for dark brown.Mainly used for dyeing and printing of cotton fiber, can also be used vinylon and cotton blend dyeing, color yield on the PVA slightly deeper, and direct printing. Its leuco or yarn can be dyed cotton knit. Can be dyed with disperse dyes in one bath polyester / cotton blended fabric, polyester component Put a slight color.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4-5
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4-5
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8
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4-5
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4-5
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4
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4-5
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AATCC
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5
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4-5
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8
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4-5
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|
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