Reduction fading - Reduction fading

Japanese: 還元退色 - かんげんたいしょく
Reduction fading - Reduction fading

…Such color changes are essentially caused by chemical reactions such as decomposition of the dye or pigment used due to external influences. Dyes that are absorbed into wool, nylon, and polypropylene are prone to reduction fading, while dyes that are absorbed into cotton, polyester, and polyacrylonitrile are prone to oxidation fading. Fading is also greatly affected by the dyeing conditions, and the more the dye molecules are associated, the less likely it is to fade. …

*Some of the terminology explanations that refer to "reductive fading" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このような色の変化は本質的には使用した染料や顔料が外的作用を受けて分解などの化学変化を起こすことに起因する。羊毛,ナイロン,ポリプロピレンに染着している染料は還元退色しやすく,木綿,ポリエステル,ポリアクリロニトリルに染着している染料は酸化退色しやすい。退色は染着状態によっても大きく影響され,染着分子が会合しているほど退色しにくい。…

※「還元退色」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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