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95/03584 Structure characterization of coal-tar pitch fractions

Publisher
Elsevier Science
Year
1995
Weight
175 KB
Volume
36
Category
Article
ISSN
0140-6701

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๐Ÿ“œ SIMILAR VOLUMES

Mesophase formation in defined mixtures
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โœ Gopal Bhatia; Erich Fitzer; Dieter Kompalik ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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

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The transverse structure of pitch fiber has been successfully controlled by changing the pitch flow conditions at the upper portion of the capillary in spinning. The mean size of mesophase domains in the transverse section of pitch rod extruded from the capillary was found to decrease monotonously w