Thermal polycondensation of anthracene for carbon precursors

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• 作者：V. Valovicova ; E. Plevova ; L. Vaculikova…
• 关键词：Anthracene ; Polycondensation ; Mesophase ; Thermal analysis ; Raman spectroscopy
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：124
• 期：1
• 页码：261-267
• 全文大小：1,094 KB
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• 作者单位：V. Valovicova (1)
  E. Plevova (1) (2)
  L. Vaculikova (1) (2)
  M. Ritz (3) (4)
  S. Vallova (3)
  
  1. Institute of Geonics AS CR, v.v.i., Studentska 1768, 708 00, Ostrava, Czech Republic
  2. Institute of Clean Technologies for Mining and Utilization of Raw Materials for Energy Use - Sustainability Program, Studentska 1768, 708 00, Ostrava, Czech Republic
  3. Technical University of Ostrava, 17. Listopadu 15, 708 33, Ostrava, Czech Republic
  4. Regional Material and Technology Centre - Feasibility Program, VŠB - Technical University of Ostrava, 17. Listopadu 15, 708 33, Ostrava-Poruba, Czech Republic
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Sciences
  Polymer Sciences
  Physical Chemistry
  Inorganic Chemistry
  Measurement Science and Instrumentation
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1572-8943

文摘

This work is concerned with the conversion of anthracene into products with potential applications in carbon technology. The anthracene was obtained from industrial anthracene by crystallization in raw pyridine and was subjected to thermal polycondensation under pressure with various time exposures at the final temperature at 420 °C. The proposed thermal treatment induces polymerization/polycondensation reactions, and the extent of conversion was monitored from the carbon residue by thermogravimetric analysis, heptane and toluene insolubles and Raman spectroscopy. The ability of mesophase formation from obtained polycondensates was also studied. Besides thermogravimetric analysis and Raman spectroscopy, the optical microscopy was also used to determine the presence of optically anisotropic texture. The thermal polycondensation under pressure and time exposure of 48 and 72 h at 420 °C is suggested to be the most promising method for preparing the mesophase pitches of good optical texture. The results indicate that thermal polycondensation of anthracene obtained from industrial anthracene oil could be suitable process for the conversion of anthracene into carbon precursors with potential industrial utilization.