A QI-free coal tar pitch with a softening point around 80ยฐC was air blown in an autoclave at 330", 360", and 38O"C, respectively, for various periods in order to prepare a pitch precursor for GPCF. Air blowing markedly increased the softening point and contents of solvent insoluble fractions such as
โฆ LIBER โฆ
Preparation of precursor pitch for isotropic carbon fibers
โ Scribed by I. Mochida; Y. Korai; M. Nakamura; S.M. Zeng; M. Kameyama
- Book ID
- 107727354
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 303 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0008-6223
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