High fastness heterocyclic azo disperse dyes bearing ester functions

Jae Hong Choi, Sung Hee Hong, Andrew D. Towns

Research output: Contribution to journalArticlepeer-review

60 Scopus citations


Blue monoazo disperse dyes bearing carboxylic acid ester functions have been synthesised from thiophene diazo components in the search for colorants of high fastness and reduced environmental impact. The colour properties of the dyes in solution and on polyester, as well as the fastness of the dyes when applied to polyester, are examined and rationalised in terms of dye structure.

Original languageEnglish
Pages (from-to)32-37
Number of pages6
JournalJournal of the Society of Dyers and Colourists
Issue number1
StatePublished - Jan 1999


  • Azo dye
  • Disperse dye
  • Dye properties
  • Lightfastness


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