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Effect of Earthworm Protease on Dyeing Properties of Protein Fibers

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2006, 18(5), pp.8-14
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

Yoon-Jung Kwon 1 Sang-Mo Kang 1 Soo-Jin Kim 1 Sun-Young Noh 1 Joonseok Koh ORD ID 1

1Konkuk Universty

Accredited

ABSTRACT

An earthworm protease, Lumbricus rubellus, was used to improve the dyeing properties of protein fibers such as wool and silk. The optimal condition for the activity of the earthworm protease was about 40˚C at pH 7. The wool and silk were treated with the protease extracted from an earthworm and the K/S values of the dyed wool and silk were measured using a spectrophotometer in order to compare the dye uptake. The protease treatment enhanced the dyeing properties of protein fibers without severe changes in mechanical properties. The surface appearances of protease-treated fibers were observed by microscopy analysis.

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