The pore structure of the pyrolysis residues of poiy-2.~dimethylphenyleneoxide (PPO) and oxidized PPO were studied by adsorption measurements. The Dubinin method with different gases as adsorbents was used for determination of the micropore volume. In all cases slit-shaped micropores were found, Pre
185. Electronic properties of carbons and graphites
โ Scribed by D.A Young
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 99 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0008-6223
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โฆ Synopsis
ABSTRACTS
ratio length/dia. of about 10. In the cigars, the graphitic layers have the shape of an obtuse cone the axis of which is coincident with the axis of the cigar. The cigar is probably formed by a single sheet coiled around the axis in a helix, each turn of the helix having the shape of a cone. The growth mechanism of the cigars probably involves mass transfer through the gas phase.
- The spectra of longitudinal and transverse dielectric constants of graphite.
๐ SIMILAR VOLUMES
This investigation has been lead in two complementary ways: An E.S.R. study at very low temperatures of linewidth and g-factor anisotropies on two kinds of pyrographites (P.G.). The influence on these physical quantities of the neutron irradiation, in order to check the validity of a previously expo