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New azo Dyes Based on 1,3-dihydroxynitrobenzene and 2,4,6-trihydroxynitrobenzene for Polycaproamide Fibers

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Fibre Chemistry Aims and scope

Syntheses of 16 previously undescribed mono- and bis-azo compounds in 70-95% yields via azo coupling of 1,3-dihydroxynitrobenzene and 2,4,6-trihydroxynitrobenzene with structurally varied aryldiazonium salts are reported. The synthesized mono- and bis-azo compounds were tested as acid and disperse dyes for polycaproamide fiber. Results of stability tests of the color fastness to washing (GOST 9733.4-–83) and perspiration (GOST 9733.6–83) indicated that the dyes had good operational properties. Conclusions were made about the dependence of the dye stability on the structures of the tested azo compounds.

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Authors and Affiliations

  1. A. N. Kosygin Russian State University, Moscow, Russia

    V. V. Meleshenkova, R. O. Shukurov & D. N. Kuznetsov

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  1. V. V. Meleshenkova
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  2. R. O. Shukurov
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  3. D. N. Kuznetsov
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Correspondence to D. N. Kuznetsov.

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Translated from Khimicheskie Volokna, No. 6, pp. 77-81, November—December, 2021.

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Meleshenkova, V.V., Shukurov, R.O. & Kuznetsov, D.N. New azo Dyes Based on 1,3-dihydroxynitrobenzene and 2,4,6-trihydroxynitrobenzene for Polycaproamide Fibers. Fibre Chem 53, 446–450 (2022). https://doi.org/10.1007/s10692-022-10327-0

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  • DOI: https://doi.org/10.1007/s10692-022-10327-0

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