Preparation
4,4,-Diamino-1,1′-iminodianthraquinon and 9,10-Dioxo-9,10-dihydroanthracene-2-carbonyl chloride?(2 Moore) condensation, cyclization and then.
Properties and Applications
green ash. Black powder. Insoluble in water. In concentrated sulfuric acid for yellow brown. Alkaline reduction leuco for red brown; Acid reduction leuco light yellow to brown. Mainly used for cotton, polyester/cotton blended fabric dyeing and printing, and can also be used to viscose and silk dyeing and printing.
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
Fading
|
Stain
|
ISO
|
4-5
|
4-5
|
7
|
4-5
|
4
|
5
|
5
|