Abstract
It was found that preliminary treatment of PCA granulate with a dilute solution of CH3COOH sharply increases the rate and degree of sorption of acid dyes by PCA granulate. A technological regime for dyeing PCA granulate with acid dyes was proposed and approved in industrial conditions; it allows increasing the intensity of the color by several times with almost total extraction of the dye from the bath.
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Additional information
Ivanovo State Academy of Chemical Engineering. Translated from Khimicheskie Volokna, No. 4, pp. 35–37, July–August, 1996.
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Silant'eva, V.G., Bazarov, Y.M. Dyeing of polyamide granulate with preliminary treatment with acetic acid solution. Fibre Chem 28, 251–253 (1996). https://doi.org/10.1007/BF01060141
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DOI: https://doi.org/10.1007/BF01060141