FIELD: chemistry.
SUBSTANCE: invention relates to an aqueous colloidal suspension of carbon black which can be used in ink, such as jet printing ink, lacquer, printing dyes, latex, in textile and leather products, in adhesives, silicon materials, plastic materials, concrete and in construction materials. Described is an aqueous colloidal suspension of carbon black which contains carbon black, an azocompound of general formula 1 
and water. The said carbon black suspension is obtained by dispersing carbon black and an azocompound of general formula 1 in water.
EFFECT: carbon black suspension has high degree of dispersion and low flocculation capacity which gives ink made from the said suspension high optical density.
17 cl, 3 dwg, 6 tbl, 6 ex
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