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Reciprocal influence of crystallization and vitrification processes in complex hydrocarbon systems
State Academy for Fine Chemical Technology, Russia .ORCID iD: 0000-0001-8199-5625
Russian State University of Oil and Gas.
2006 (English)In: Chemistry and technology of fuels and oils, ISSN 0009-3092, E-ISSN 1573-8310, Vol. 42, no 3, 206-210 p.Article in journal (Refereed) Published
Abstract [en]

The reciprocal influence of crystallization and vitrification processes in complex hydrocarbon systems was analyzed. These systems consist of a high-molecular-weight amorphous matrix in which easily crystallized components of different molecular weight and composition are dissolved. It was shown that the invariability of the position of the glass transition line indicates that the hydrocarbon matrix of the system does not change when waxes, asphaltenes, and resins are extracted. The presence and composition of the crystalline clusters in the hydrocarbon matrix do not affect the glass transition process. Calorimetric studies of the model system at atmospheric pressure in the 130-370 K temperature range were conducted. The measurements confirmed the existence of the crystallization process in a narrow temperature range and the absence of the glass transition process. The results also show that the appearance of crystallization does not affect the glass transition process.

Place, publisher, year, edition, pages
2006. Vol. 42, no 3, 206-210 p.
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-70299DOI: 10.1007/s10553-006-0058-3ISI: 000240075000010OAI: oai:DiVA.org:kth-70299DiVA: diva2:486181
Note
QC 20120203Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2017-12-08Bibliographically approved

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Kutcherov, Vladimir

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