Synthesis and Characterization of Acid Dyes Based on Substituted Pyridone Using Metal Complexes (1:2) and Study of their Application on Nylon Fabrics (6.6)

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
In this study, the synthesis of acid dyes was investigated from 4-amino-1-(4-sulfophenyl)-3-methyl-5-pyrazolone and their pyridone derivatives, followed by their metal complexes (Fe (II) and Cu (II)). The pyridone derivatives comprise 1-amino-2-hydroxy-4-methyl-5-cyano-6-pyridone, 1- methyl-2-hydroxy-4-methyl-5-cyano-6-pyridone, 1-ethyl-2-hydroxy-4-methyl-5-cyano-6-pyridone and 1-buthyl-2-hydroxy-4-methyl-5-cyano-6-pyridone. The acid dyes were successfully synthesized with good yield ranging from 75-96% and were metallized using Fe (II) and Cu (II) in the ratio 1:2. Metallized acid dyes using Fe (II) and Cu (II) were successfully synthesized with good yield ranging from 82-96%. Characterization of these dyes structure was established by FTIR, UV, and GCMS. To learn more about these acid dyes' dyeing capabilities, they were applied to nylon 6.6 fabrics. All of these acid dyes produced hues of yellow, greenish yellow, dark grey, and brown. On nylon 6.6 fabrics, the washing fastness was moderate to excellent (4-7), the rubbing fastness was good to excellent in both wet and dry conditions (3-5), and perspiration fastness was moderate to very good (3-4). Due to the high tinctorial strength and effective exhaustion of metallized dyes on nylon 6.6 fabrics when pH is 5 and non-metallized acid dyes are used, non-metallized acid dyes' fastness qualities were lower than those of metal complex acid (1:2) dyes.
Language:
English
Published:
Journal of Applied Organometallic Chemistry, Volume:3 Issue: 1, Jan 2023
Pages:
61 to 72
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