An Unusual Application of a Usual Crosslinking Agent—Dyeing Trimethylolmelamine Pretreated Cotton Without Added Salt

Yiqi Yang, Shiqi li

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Traditional anionic dyeing of cotton requires large amounts of salt to assist dye sorption. This paper reports a method of using trimethylolmelamine (TMM), a com mon durable press finish, to treat cotton for dyeing. TMM pretreated cotton has re markably improved affinity for anionic dyes and no longer needs the assistance of salt in the dyebath. Furthermore, effluents from such processes contain much less dye than effluents from ordinary salt-assisted dyeings. This technology not only increases the efficiency of dyeing without salt, it also considerably decreases the burden of effluent treatment. By this method, cotton can also be dyed with acid dyes.

Original languageEnglish (US)
Pages (from-to)433-439
Number of pages7
JournalTextile Research Journal
Volume64
Issue number8
DOIs
StatePublished - Aug 1994

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

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