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IN-situ monitoring of hydrogen transfer in carbonization reaction by well resolved high-temperature 1H NMR

โœ Scribed by T. Yokono; T. Obara; Y. Sanada; K. Miyazawa


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
287 KB
Volume
22
Category
Article
ISSN
0008-6223

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โœฆ Synopsis


By means of a well resolved high-temperature 'H NMR technique, the carbonization process of acenaphthylene as well as the hydrogen transfer from some model compounds and decant oil to anthracene and/or acenaphthylene have been studied. The hydrogen transfer reaction was found to take place in the liquid phase at temperatures above 630 K for the decant oil/anthracene system.


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In-situ monitoring for mesophase formati
โœ Kiyoshi Azami; Shunichi Yamamoto; Tetsuro Yokono; Yuzo Sanada ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 497 KB

High-temperature heating processes for coal-tar-derived pitch (pitch A), petroleum-derived pitch (pitch B), and hydrogenated petroleum-derived pitch (pitch C) have been studied by in-situ hightemperature '"C-NMR. Mesophase formation processes have been successfully monitored for all three kinds of p