Preparation
Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione in solvent (Phthalic anhydride or 1,2,4 – Trichlorobenzene) in 140 ~ 145 ℃ chlorinated.
Properties and Applications
red light blue to red light navy blue. Dark blue powder. Alkaline reduction leuco for blue; Acid reduction leuco for purple. To cotton directness high. Used for dyeing cotton fabric for red light blue to red light navy blue. Also can be used for cotton fabric direct printing, color resist printing and discharge printing, also can be used for silk dyeing.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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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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4-5
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6-7
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3-4
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4-5
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4-5
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5
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