Krais, P.

Japanese: Krais,P.(英語表記)KraisP
Krais, P.

...For polyester fibers, the example CI Disperse Blue 60 has a light fastness of 7-8, a washing fastness of 5, and a sublimation fastness of 5. (8) Fluorescent whitening agents This category has a long history, and in 1929 P. Krais discovered that treating white fabric with an extract from the bark of the horse chestnut tree (Horsetail) gave it a brilliant white color. It was industrialized as a synthetic dye around 1936, and development in Japan began around 1948. ...

*Some of the terminology that mentions "Krais, P." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…例示したC.I.Disperse Blue 60は,ポリエステル繊維の場合,耐光堅牢度7~8級,洗濯堅牢度5級,昇華堅牢度5級である。(8)蛍光増白剤 この部属の歴史は古く,1929年にクライスP.Kraisがセイヨウトチノキ(マロニエ)の樹皮抽出物で白布を処理すると輝かしい白さが得られることを発見した。合成染料として工業化されたのは36年ころで,日本では48年ころから開発が進められた。…

※「Krais,P.」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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