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Cathodic Coloration of Silk Fabric Treated with Silver Nitrate

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2009, 21(2), pp.14-21
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

정문화 1 Muncheul Lee 2

1한국실크연구원
2부산대학교

Accredited

ABSTRACT

In this article, silk fabric was treated with silver nitrate (AgNO3) as oxidizing agent, with conditions such as concentration, and treating time, and subsequently treated with reducing agents such as sodium boron hydride (NaBH4) and sodium sulfide (Na2S) to obtain cathodic coloration. After coloration of silk fabric, dyeing properties (K/S value), colorfastnesses such as wash, rubbing and light, and antibacterial activity property were examined. AgNO3 treating time and reducing time did not influence K/S value, whereas the pH value at alkaline region showed a high K/S value of silk fabric. The cathodic colorations of silk fabric with both of reducing agents at 30℃ have excellent color fastnesses. Also the high antibacterial activities were obtained by the treatment with silver nitrate even at 1% of lower concentration.

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