The effect of package density profile on levelness of package dyed yarn

Yiqi Yang, Victor L. Mattison

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations


Cotton yarn (20/1 unwaxed) was wound on an AEI Conpar precision winder with different tensions (1.0, 20.0, and 30.0 g) to study the effects of package density and density distribution on dyeing levelness. The relationship between winding tension and package density as well as package density and levelness of dyeing was discussed. The packages were dyed with C.I. Direct Blue 90. The shade depths (K/S) of the dyed yarn were measured in three different zones of each packages - inner, middle, and outer zones - to determine the levelness of dyeing. The relation between package density, density distribution, and levelness of dyeing was studied. It was found that packages with even density dyed with poorer levelness than the packages having varied density profiles.

Original languageEnglish (US)
Pages (from-to)77-81
Number of pages5
JournalTextile Chemist and Colorist
Issue number8
StatePublished - Aug 1997
Externally publishedYes


  • Cotton
  • Density Profile
  • Direct Dyeing
  • Package Dyeing
  • Shade Levelness

ASJC Scopus subject areas

  • General Chemical Engineering


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