Preparation
2-Aminonaphthalene-1-sulfonic acid?sulfonated, diazotization, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and 2,4,6-Trichloro-1,3,5-triazine first condensation, its product (2 Moore) and Benzene-1,4-diamine second condensation, and then salting-out.
Properties and Applications
colourful red blue light. Red powder. In the 50 ℃ the solubility of when more than 150 g/L. After dyeing for blu-ray red, copper ions in turn blue turned dark colored (grade 1); Iron ion in color a little to yellow. Compatibility is high, the reaction of the medium, and easy to wash the gender is good. Neutral and alkaline are not suitable for white. Mainly used for cotton, hemp, viscose fiber, cotton and polyester paint / ?stick ?blended fabric dyeing.
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Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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Fading
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Stain
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Fading
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Stain
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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
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4
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5(Alkali)
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4-5
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4-5(95℃)
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4-5
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