Dyeing natural cellulose fibers from cornhusks: A comparative study with cotton fibers

Narendra Reddy, Vigneshwar Arul Thillainayagam, Yiqi Yang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This research shows that natural cellulose fibers extracted from cornhusks have better dyeing properties for direct and sulfur dyes and similar dyeing properties for reactive and vat dyes compared to cotton fibers dyed under similar dyeing conditions. Cornhusk fibers have unique structure and properties compared to cotton and common lignocellulosic fibers. However, the short single cells, higher amounts of lignin and hemicellulose, lower percent crystallinity and relatively coarse fibers make the common cellulose fiber dyeing conditions unsuitable to dye cornhusk fibers. In this research, cornhusk fibers were dyed with one dye each from four dye classes, direct, reactive, vat, and sulfur dyes. The dyeing behavior of the fibers was fit in to the common isotherms and the kinetic parameters such as dyeing rate constant, diffusion coefficient, and half-time for dyeing were calculated. It was found that the physical properties of the fibers and structure of the dye had considerable influence on the dye sorption and rate of dyeing. Lower percent crystallinity, smaller crystal size, and presence of hemicellulose, lignin, and higher amounts of surface impurities are mostly responsible for the higher dye sorption on corn fibers compared to cotton.

Original languageEnglish (US)
Pages (from-to)5642-5650
Number of pages9
JournalIndustrial and Engineering Chemistry Research
Volume50
Issue number9
DOIs
StatePublished - May 4 2011

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Cotton fibers
Cellulose
Dyeing
Dyes
Fibers
Coloring Agents
Lignin
Sulfur
Cotton
Sorption
Vat dyes
Kinetic parameters
Isotherms
Rate constants
Physical properties
Impurities
Crystals

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Dyeing natural cellulose fibers from cornhusks : A comparative study with cotton fibers. / Reddy, Narendra; Thillainayagam, Vigneshwar Arul; Yang, Yiqi.

In: Industrial and Engineering Chemistry Research, Vol. 50, No. 9, 04.05.2011, p. 5642-5650.

Research output: Contribution to journalArticle

Reddy, Narendra ; Thillainayagam, Vigneshwar Arul ; Yang, Yiqi. / Dyeing natural cellulose fibers from cornhusks : A comparative study with cotton fibers. In: Industrial and Engineering Chemistry Research. 2011 ; Vol. 50, No. 9. pp. 5642-5650.
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