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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク pyromellitic dianhydride ： ウィキペディア英語版 pyromellitic dianhydride Pyromellitic dianhydride is an organic compound with the formula C6H2(C2O3)2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. It is a white solid. It is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives). An idealized equation is:〔F. Röhrscheid "Carboxylic Acids, Aromatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. 〕 :C6H2(CH3)4 + 6 O2 → C6H2(C2O3)2 + 6 H2O ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「pyromellitic dianhydride」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.