Kinetics of reversible polymorphic transition in energetic materials. Phase transitions α → β and β → α in 1,1-diamino-2,2-dinitroethylene

Autor:	B. L. Korsounskii, S. A. Vozchikova, A. D. Chervonnyi, V. V. Zakharov, Nikita V. Chukanov
Rok vydání:	2014
Předmět:	Autocatalysis Phase transition Reaction rate constant Differential scanning calorimetry Chemistry Kinetics Infrared spectroscopy Physical chemistry Isothermal titration calorimetry Activation energy Physical and Theoretical Chemistry
Zdroj:	Russian Journal of Physical Chemistry B. 8:822-828
ISSN:	1990-7923 1990-7931
Popis:	Differential scanning calorimetry and isothermal calorimetry are used to study the kinetics of the α → β polymorphic transformation (PT) in 1,1-diamino-2,2-dinitroethylene (DADNE). The kinetics of the β → α PT in DADNE is investigated by infrared spectrophotometry. The α → β phase transition is described by the first-order autocatalysis equation. The activation energy and the rate constant are determined. The rate of the β → α PT is described by the kinetic law for two parallel first-order processes. The rate constants for these processes are obtained.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::42613468e3ec120ac43d12f44e3e3f1e https://doi.org/10.1134/s1990793114110104 Zobrazit plný text záznamu Full text from SpringerLink