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Synthesis and Dyeing Performance of N,N-Bis(2-cyanoethyl)-m-methylaniline Disperse Dyes
Abstract:
Four di-cyanoethyl azo disperse dyes based on N,N-bis(2-cyanoethyl)-m-methylaniline were synthesized using four different heterocyclic aromatic amines as the diazo components. They were characterized by UV-Vis, IR, 1HNMR, MS and EA. The dyeing performance of these dyes were assessed on polyester, fir powder, and acetylated fir powder. On polyester, the results showed that the maxinum absorption of four heterocyclic azo disperse dyes were from 414 nm to 599 nm(acetone), they were also found to show a wide range of colour shades followed as yellow, bright crimson, bulish violet and blue shades, the dyed fibers also presented good light fastness and excellent fastness to wash. Simultaneously, the dyeing performance of the dyes were also assessed on acetylated fir powder and they were found to give the similar color shades comparing with the dyeing on polyester fiber.
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21-26
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July 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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