Thermal Properties of Wax Compositions

Graphical dependences of the temperatures of crystallization, start and end of crystallization, and of phase hexagonal-rhombic H → R conversion in the solid state on wax compositions of petroleum paraffin P-1 with ceresines (C-65, C-80), wax (ZW-1), and soft paraffin (SP) are proposed. It is shown t...

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Bibliographic Details
Published in:Chemistry and technology of fuels and oils 2017-07, Vol.53 (3), p.360-368
Main Authors: Krasavtsev, B. E., Aleksandrova, E. A., Khadisova, Zh. T., Aleksandrov, B. L.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Crystallization
Geotechnical Engineering & Applied Earth Sciences
Industrial Chemistry/Chemical Engineering
Melting points
Mineral Resources
Paraffin wax
Solid state
Thermodynamic properties
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Summary:Graphical dependences of the temperatures of crystallization, start and end of crystallization, and of phase hexagonal-rhombic H → R conversion in the solid state on wax compositions of petroleum paraffin P-1 with ceresines (C-65, C-80), wax (ZW-1), and soft paraffin (SP) are proposed. It is shown that the melting points of paraffin-ceresine mixtures obey an additivity rule provided that the melting points of the mixed components do not differ by more than 15°C. Paraffin P-1, soft paraffins, and waxes crystallize initially in the H and then also in the R phase, and ceresines only crystallize in the R phase.
ISSN:0009-3092
1573-8310
DOI:10.1007/s10553-017-0812-8