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Fractionation of coal-tar pitch by extrography

✍ Scribed by Gerd-Peter Blümer; Hans W. Kleffner; Wolfgang Lücke; Maximilian Zander


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
290 KB
Volume
59
Category
Article
ISSN
0016-2361

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Mesophase formation in defined mixtures
✍ Gopal Bhatia; Erich Fitzer; Dieter Kompalik 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 559 KB

QI-free coal tar pitch is separated into a toluene-soluble (TS) and a toluene-insoluble (TI) fraction by solvent extraction. The effect of controlled mixing of both fractions on mesophase formation is studied. The formation of mesophase is correlated with the carbon and hydrogen contents of the samp