Wofatit

Japanese: Wofatit
Wofatit

...In this case, a membrane that is resistant to chlorine gas is required, and one with a fluororesin skeleton is often used.
[history]
Ion exchange resins were discovered in 1935 by the British BA Adams and EL Holmes, and were first produced industrially in 1939 by the German company IG Farben, which sold them under the name Wofatit. In 1944, American GFD'Alelio invented a resin with the current structure based on polystyrene, and chemically stable, high-performance products began to be manufactured.

*Some of the terminology explanations that mention "Wofatit" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この場合,塩素ガスに強い膜が必要であり,フッ素樹脂を骨格としたものがよく用いられる。
[歴史]
 イオン交換樹脂は1935年にイギリスのアダムズB.A.AdamsとホームズE.L.Holmesによって発見され,39年にドイツのイーゲー・ファルベン社により初めて工業的に製造されウォファチットWofatitの商品名で販売された。44年アメリカのダレリオG.F.D’Alelioがポリスチレンを母体とした現在の構造の樹脂を発明してから化学的に安定な高性能の製品が製造されるようになった。…

※「Wofatit」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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