Studies on the Natural Dyes(12) -Dyeing Properties of Amur Cork Tree Colors for Silk-

천연염료에 관한 연구(12) -황벽 색소의 견섬유에 대한 염색성-

  • 조경래 (신라대학교 자연과학대학 패션디자인산업학과) ;
  • 강미정 (신라대학교 자연과학대학 패션디자인산업학과)
  • Published : 2000.08.01

Abstract

The coloring matter was extracted from the heartwood of Amur cork tree by distilled water. Change of UV-Visible spectra of coloring matter solution by extraction condition and stability for irradiation were determined, and the effect of repeated dyeing with condition of dyebath and mordanting method on shade depth and lightfastness were also investigated. The results are as follows : 1) Absorbance of Amur cork tree extract increased with the lapse of extraction time. λmax of color solution extracted from Amur cork tree was found at 420, 333, and 262nm. 2) Absorbance of Amur cork tree extract decreased remarkably after 2hr irradiation. 3) The K/S of silk fabrics increased with the increase of dyeing temperature, time, amounts of Amur cork tree for extraction, and pH of color solution. 4) K/S of silk fabrics dyed by repeated dyeing method was affected by pH and concentration of color solution. 5) Lightfastness of silk twice dyed with Amur cork tree extract after pre-mordanted by 8%(o.w.f) chromium acetate was moderately improved.

Keywords

References

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