레드 195 반응염료

레드 195 반응염료 화학적 특성, 용도, 생산

• 용도

  Reactive Red 195 is an azo dye used in the textile industry to enhance the colour of a variety of fabrics.

• 제조 방법

  4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand 2,4,6-Trichloro-1,3,5-triazine first condensation, and a second time between ester condensation, 2-Aminonaphthalene-1,5-disulfonic acid diazo, and the generation of condensation products coupled, then salting-out.

• Properties and Applications

  colourful red blue light. Brown powder. 50 ℃ when the solubility of dye is greater than 100g/L, light blue dye for red, dye bath containing iron ion, colored light slightly turned dark (category 4); Copper ions colored light turned purple turned dark. Mainly used for cellulose fabric dyeing, also can be used for cotton and viscose fiber printing.
  

  Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
  		Fading	Stain	Fading	Stain	Fading	Stain
  ISO	5-6	4-5	5	4	4	4-5	5

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