絹に対する反応染料の反応機構

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タイトル別名
  • Reaction mechanism of reactive dye with silk.
  • 絹に対する反応染料の反応機構〔英文〕
  • キヌ ニ タイスル ハンノウ センリョウ ノ ハンノウ キコウ エイブン

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説明

Studies were carried out to determine whether the adsorption of a reactive dye (vinylsulfonyl type) on the protonated amino group in the protein fiber played an important role in the reaction between the dye and the fiber. The effects of electrolyte and urea addition on the dyeing process were also examined.<br>The results obtained were as follows: Based on the difference in dyeability of acid dyes and reactive dye (vinylsulfonyl type of C. I. Reactive Blue 19) for silk at 60°C and 100°C, it was revealed that the reaction of the reactive dye with silk is not associated with the adsorption of the dye on the protonated amino group.<br>The addition of sodium sulfate in the dyebath promotes exhaustion and fixation, whereas urea depresses both processes.

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