Реактивный черный 8 химические свойства, назначение, производство
Подготовка
2-Amino-4-nitrophenol diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, chromium complexation, and 2,4,6-Trichloro-1,3,5-triazine condensation, with four ammonia, and salting-out.
Свойства и приложения
blue ash. Black powder. The strong sulfuric acid for purple, diluted still for purple; In nitric acid for black purple, diluted into a navy; Water solution is blue black, add 1 Moore sodium hydroxide solution is still black, continue to join insurance powder into light yellow, add a boric acid sodium is still light yellow. Used for cotton, viscose, linen, silk, polyamide fiber and wool dyeing or of the volume of disseminated and direct printing.
|
Standard
|
Light Fastness
|
Oxygen bleaching
|
Persperation Fastness
|
Soaping
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
6 (grey)
|
3 (
green
)
|
5
|
4-5 (green)
|
3
|
5
|
6
|
Реактивный черный 8 препаратная продукция и сырье
сырьё
препарат