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  • Colorimetrical evaluation of dyebath acidity's effect on wool color
    Čelan Benkovič, Sonja ; Fakin, Darinka
    The effect of a dyebath's acidity on the exhaustion of three dyestuffs was investigated, differing in chemical constitution and color (yellow acid dye, blue and bordeaux 1: 2 metal-complex dyes). The ... dyeing of wool tops was performed by the prescribed procedure at dyebath pH values 4, 5 and 6. The sorption of each dyestuff and their mixtures from the dyebath into the fibers was followed on-line during the dyeing process and dyed wool samples were colorimetrically evaluated. The study of individual dye sorption from dyebaths containing mixtures of dyes in a real dyeing process is important for color reproducibility in industrial practice. The obtained results indicate great differences in the sorption of the used dyes at various pH values, which lead to color differences in wool production.
    Vir: Color & textiles : proceedings (Str. 223-229)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2002
    Jezik - angleški
    COBISS.SI-ID - 7774742

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