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- W4313402564 abstract "Purpose This paper aims to develop a novel protocol for the synthesis of disperse dyes derived by a triple cascade reaction with lawsone in presence of Zn acetate as a catalyst. The developed novel scaffolds have efficient dyeing properties on nylon and polyester fibers. Design/methodology/approach This report demonstrates an effectual triple cascade protocol for the synthesis of novel disperse dyes derived from various polynuclear carbaldehyde, urea and lawsone. The Zn acetate was found to be an effective catalyst for this reaction. Their dyeing performance has been studied on nylon and polyester fabrics. The wash fastness, sublimation fastness, color assessment, determination of percentage exhaustion and fixation properties were applied to both the dyed fabrics. Findings The obtained results indicate that the Zn acetate is an efficient catalyst for the developed triple cascade protocol. The prepared novel disperse dye greatly impacted their dyeing properties on nylon and polyester fibers. They have shown brilliant shades, higher affinity, adsorption capacity, superior tinctorial strength than the lawsone. The percentage exhaustion value, fixation value, color strength (K/s) value, washing and sublimation fastness properties have been found very well in all dyed nylon samples compared to polyester samples. These results discloses that these disperses dyes are very useful to the growing importance of nylon and polyester fibers. Research limitations/implications The present protocol synthesizes the racemic mixture of the prepared molecules. Practical implications Developed protocol can be used for various other triple cascade processes. Also these molecules can be used for dyeing of other fabrics. Social implications With the help of commercialization of prepared molecules, it may provide the better alternative of the current disperse dyes. This may affect the various segments of society. Originality/value This report represents a novel protocol for the synthesis of modified novel disperse dyes with an efficient dyeing properties on nylon and polyester fibers." @default.
- W4313402564 created "2023-01-06" @default.
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- W4313402564 date "2023-01-03" @default.
- W4313402564 modified "2023-09-27" @default.
- W4313402564 title "Study of lawsone and its modified disperse dyes derived by triple cascade reaction: dyeing performance on nylon and polyester fabrics" @default.
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- W4313402564 doi "https://doi.org/10.1108/rjta-08-2022-0093" @default.
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