Indanthrene dyes

Japanese: インダンスレン染料 - いんだんすれんせんりょう(英語表記)indanthrene dyes
Indanthrene dyes

A general term for high-grade vat dyes, including Indanthrene Blue RSN (indanthrone), obtained by alkaline fusion of 2-aminoanthraquinone. The name was derived from anthracene, meaning "indigo-like dye," and the name indanthrene later became the title for vat dyes with the highest level of fastness and beautiful color (called indanthrene grade). It was originally a registered trademark in Germany, and in Japan it is called threne dye. There are many types, including anthraquinone derivatives and condensed polycyclic quinone derivatives. The colors range from blue and green to yellow and black, and more than 130 types have been produced. However, reds have a problem, and thioindigoid dyes are included as red indanthrene dyes. Since the dye is expensive and the dyeing process is difficult, in Japan it is used for dyeing the highest quality cotton.

[Tobita Mitsuhiko]

[Reference] | Anthraquinone dyes | Vat dyes

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

2-アミノアントラキノンをアルカリ融解して得られるインダンスレンブルーRSN(インダントロン)をはじめとする高級バット染料の総称。アントラセンから得られる「インジゴ様染料」Indigoähnlicher Farbstoff aus Anthracenの意味で命名され、インダンスレンの名は、のちに最高級の堅牢(けんろう)度を有し色調も美しいバット染料の冠称となった(インダンスレン級という)。本来はドイツでの登録商標であり、日本ではスレン染料という。アントラキノン誘導体、縮合多環キノン誘導体など多種類のものがある。色調も青、緑から黄、黒に及ぶ多様さで、130種以上のものが出されている。ただし赤色系に難点があり、チオインジゴイド染料が赤色系のインダンスレン染料として含まれている。染料が高価であり、染色操作もむずかしいので、日本では最高級の木綿の染色などに用いられている。

[飛田満彦]

[参照項目] | アントラキノン染料 | バット染料

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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