Leuco Sulphur Brown 52

Leuco Sulphur Brown 52 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  Diacenaphtho[1,2-j:1′,2′-1]fluoranthene? and sulfur mixture for roasting (in 20 hours of roasting temperature up to 350 ℃, and keep the temperature for more than 8 hour), the product with Sodium hydroxide in 100 ~ 110 ℃ processing, then filtering, and taking sulfuric acid precipitation. Note: the Diacenaphtho[1,2-j:1′,2′-1]fluoranthene?and nitrocellulose derivatives (namely C.I. Sulphur Brown 60, C.I. 53325 and?C.I. Sulphur Brown 51, C.I. 53327) the dye it has excellent resistance to sun fastness.

• Properties and Applications

  brown. Brown powder. Soluble in Sodium sulfide solution. In the basic insurance powder solution for red brown; In Sodium hypochlorite solution is partly by the bleaching. Used for cotton, hemp, viscose fabric dyeing.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
  						Moderate	Severe
  ISO	4-5	4-5	5-6	4	4-5	4	3

Leuco Sulphur Brown 52 Upstream-Materialien And Downstream Produkte

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