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Thermal decomposition kinetics of some aromatic azomonoethers. Part III. Non-isothermal study of 4-[(4-chlorobenzyl)oxy]-4′-chloro-azobenzene in dynamic air atmosphere

Domenii publicaţii > Chimie + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: A.Rotaru, A.Moanţã, P.Rotaru, E.Segal

Editorial: Journal of Thermal Analysis and Calorimetry, 95(1), p.161-166, 2009.


Thermal analysis of 4-[(4-chlorobenzyl)oxy]-4′-chloro-azobenzene dye, exhibiting liquid crystalline properties, was performed in dynamic air atmosphere. The compound behavior was investigated using TG, DTG, DTA and DSC techniques, under non-isothermal linear regime. The evolved gases were analyzed by FTIR spectroscopy. Kinetic parameters of the first decomposition step were obtained by means of multi-heating rates methods, such as isoconversioanl methods, IKP method and Perez-Maqueda et al. Criterion

Cuvinte cheie: liquid-crystalline dyes, "mode-free'' kinetics, IKP method, Perez-Maqueda et al. Criterion