Bath Concentration and Add-on Control in Wet-on-Wet Padding

Yiqi Yang, Steven Hensley

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

One concern associated with wet-on-wet processing is the changing chemical concentration in the pad bath. After processing for several hundred yards or so, chemical add-on considerably decreases, resulting in poor performance properties of finished goods or decreased shade depth. To obtain a constant bath concentration and add-on, an appropriate initial concentration and a reconstitution stream with higher concentration than the initial concentration should be used. The validity of a mathematical model relating parameters in wet-on-wet padding is proven by experimental data from both laboratory and production scales. Using that model, changes in pad bath concentration can be quantitatively described. For given processing conditions and add-on requirements, an initial pad concentration and a different reconstitution concentration can be obtained from the model to assure a constant add-on from the beginning to the end of the wet-on-wet process.

Original languageEnglish (US)
Pages (from-to)822-830
Number of pages9
JournalTextile Research Journal
Volume71
Issue number9
DOIs
StatePublished - Jan 1 2001

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Mathematical models

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

Cite this

Bath Concentration and Add-on Control in Wet-on-Wet Padding. / Yang, Yiqi; Hensley, Steven.

In: Textile Research Journal, Vol. 71, No. 9, 01.01.2001, p. 822-830.

Research output: Contribution to journalArticle

Yang, Yiqi ; Hensley, Steven. / Bath Concentration and Add-on Control in Wet-on-Wet Padding. In: Textile Research Journal. 2001 ; Vol. 71, No. 9. pp. 822-830.
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