Structural characterization of coal-tar and petroleum pitches
β Scribed by Kershaw, John R.; Black, Krista J. T.
- Book ID
- 124075928
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 620 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0887-0624
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π SIMILAR VOLUMES
Pyrolysis gas chromatography (P/GC) has been successful in differentiating coal tar pitches which are used in the manufacture of high temperature graphite materials [1,2]. In the present study, coal tar and petroleum pitches received from five suppliers were readily differentiated using three distin
Carbonization of oxidized mesophase pitches originating from petroleum and coal tar was examined by thermogravimetry, FT-i.r. spectroscopy, and quantitative analysis of evolved gases. Polymerization and condensation of aromatic rings through loss of aromatic hydrogen are shown to be major chemical r