… Mordant dyes are dyes that do not have a direct dyeing ability on fibers, but dye fibers that have been treated with a mordant. However, if we focus on the dyeing mechanism, which is the formation of a complex salt with a metal, we can also consider acid mordant dyes, which are acid dyes that can be mordanted by treating them with a mordant before or after dyeing, 1:1 type metal complex dyes that have developed from acid mordant dyes and already have metals as complex salts in the molecule, and 1:2 type metal complex dyes as well. However, metal complex dyes are generally treated as a subdivision of acid dyes, and mordant dyes are usually classified into three types: original mordant dyes, acid mordant dyes, and dyes for anodizing. Some water-soluble dyes will not dye fibers as they are, but if the fibers are treated in advance with an aqueous solution of a metal salt called a mordant, they will dye well, and the color will become deeper and more durable. … *Some of the terminology that refers to "anodizing dye" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…媒染染料は本来,繊維に直接の染着力をもたず,媒染剤で処理した繊維に染着する染料であるが,その染着機構である金属と錯塩を形成することに着目すれば,媒染剤で染色の前あるいは後で処理する媒染可能な酸性染料である酸性媒染染料,酸性媒染染料から発達し分子内にすでに金属を錯塩としてもっている1:1型金属錯塩染料,1:2型金属錯塩染料まで媒染染料として考えることもできる。しかし一般的には金属錯塩染料は酸性染料の部属として扱い,媒染染料としては,本来の媒染染料,酸性媒染染料,およびアルマイト用染料の3種を含めるのが普通である。水に可溶な染料のなかには,そのままでは繊維に染着しないが,あらかじめ繊維を媒染剤という金属塩の水溶液で処理しておくとよく染着し,色も深くなり堅牢な染色物が得られるものがある。… ※「アルマイト用染料」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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