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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 Diphenyl carbonate ： ウィキペディア英語版 Diphenyl carbonate |Section2= |Section3= |Section7= |Section8= }} Diphenyl carbonate is an acyclic carbonate ester.It is both as a monomer in combination with bisphenol A in the production of polycarbonate polymers〔 〕 and a product of the decomposition of polycarbonates.〔 〕 ==Production== World production capacity of diphenyl carbonate was 254,000 tonnes in 2002, and phosgenation of phenol is the most significant route.〔(【引用サイトリンク】 url = http://www.inchem.org/documents/sids/sids/102090.pdf )〕 Phosgenation of phenol can proceed under various conditions. The net reaction is as follows: : 2 PhOH + COCl2 → PhOCO2Ph + 2 HCl The use of toxic phosgene can be avoided by the oxidative carbonylation of phenol: : 2 PhOH + CO + () → PhOCO2Ph + H2O Dimethyl carbonate can also be transesterified with phenol: : CH3OCO2CH3 + 2 PhOH → PhOCO2Ph + 2 MeOH The kinetics and thermodynamics of this reaction are not favorable For example, at higher temperatures, dimethyl carbonate undesirably methylates phenol to give anisole.〔 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「Diphenyl carbonate」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.