Структурна еволюція метастабільного поліморфу пара-крезолу

Time-dependent polymorphic transformations of para-cresol, a compound known for its multiple crystalline forms and diverse applications, were investigated. The behavior of the metastable form III of para-cresol, which is obtained as a result of relaxation of the metastable form II, was examined usin...

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Datum:2026
Hauptverfasser: Drozd, M., Davydova, N.A., Ponezha, E.A.
Format: Artikel
Sprache:Englisch
Ukrainisch
Veröffentlicht: Publishing house "Academperiodika" 2026
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Online Zugang:https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2023925
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Назва журналу:Ukrainian Journal of Physics

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Ukrainian Journal of Physics
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Zusammenfassung:Time-dependent polymorphic transformations of para-cresol, a compound known for its multiple crystalline forms and diverse applications, were investigated. The behavior of the metastable form III of para-cresol, which is obtained as a result of relaxation of the metastable form II, was examined using differential scanning calorimetry. Thermal analysis showed that the transformation of the metastable form III of para-cresol is slow, heterogeneous, and probabilistic in nature. The multi-peak decomposition of the melting curves indicates the coexistence of three polymorphs in the samples for a relatively long time. These results demonstrate that metastable forms of para-cresol can persist far longer than would normally be expected for thermodynamically unfavorable phases.
DOI:10.15407/ujpe71.4.344