Synthesis of Pyromellitic Dianhydride (PMDA) and Tetraoctyl Pyromellitate (TOPM) by Alkali Oxygen Oxidation of Anthraeite and Esterification of PMDA with Isooctyl Alcohol

被引:0
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作者
Du, Kun [1 ]
Li, Yu [1 ]
Fan, Zhifang [1 ]
Wu, Hong [1 ]
机构
[1] Liu Pan Shui Normal Univ, Dept Chem & Chem Engn, Liupanshui, Guizhou, Peoples R China
关键词
Pyromellitic dianhydride; Tetraoctyl Pyromellitate; selectively decarboxylation; esterification; ACIDS; COAL;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Pyromellitic dianhydride (PMDA) was prepared by an alkali oxygen oxidation of anthracite and selectively decarboxylation of pyromellitic acid (PA). Tetraoctyl Pyromellitate (TOPM) was synthesized by the esterification of PMDA with isooctyl alcohol. The influence of temperature and time on the yield of PMDA was discussed. The effect of the amount of catalyst, weight ratio of PMDA and isooctyl alcohol on the percent conversion of TOPM was also investigated. The results indicate that worthy chemicals such as PMDA and TOPM can be prepared from coal.
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页码:2013 / 2018
页数:6
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