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  • 1 INFLPR - National Institute for Laser Plasma and Radiation Physics, Lasers Department Bvd. Atomistilor, Nr. 409 PO Box MG-16 077125 Magurele, Bucharest Romania
  • | 2 University of Craiova Faculty of Chemistry Calea Bucuresti Str., Nr. 107 I Craiova Romania
  • | 3 University of Craiova Faculty of Physics A.I. Cuza Str., Nr. 13 Craiova Romania
  • | 4 University of Bucharest Department of Physical Chemistry, Faculty of Chemistry Bvd. Regina Elisabeta Nr. 4-12 Bucharest Romania
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Abstract  

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.

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