Naslov
Kinetic analysis of poly(ethylene oxide)/lithium montmorillonite nanocomposites

Autori
Matko ERCEG, Irena KREŠIĆ, Miće JAKIĆ, Branka ANDRIČIĆ

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of abstracts of the 3rd Central and Eastern European Conference on Thermal Analysis and Calorimetry (CEEC-TAC3) / Andrei Rotaru, Romana Cerc Korošec - Ljubljana : Academica Greifswald, Germany, 2015, 188-188

ISBN
978-3-940237-34-7

Skup
3rd Central and Eastern European Conference on Thermal Analysis and Calorimetry

Mjesto i datum
Ljubljana, Slovenija, 25.08.2015. - 28.08.2015

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Kinetic analysis; Nanocomposite; Poly(ethylene oxide)

Sažetak
Poly(ethylene oxide)/lithium montmorillonite (PEO/LiMMT) nanocomposites have been prepared by melt intercalation and non-isothermally degraded in nitrogen atmosphere [1]. The obtained non-isothermal data have been used in this work for the kinetic analysis of the degradation process. Kinetic analysis was performed using isoconversional Friedman (FR) method in combination with the multivariate non-linear regression method incorporated in Netzsch Thermokinetics Professional software. Our earlier investigations have shown that thermal degradation of PEO is simple (one-step) process [1] while thermal degradation of PEO/LiMMT nanocomposites is complex (multi-step) process that may involve several overlapping or consecutive processes [2]. Kinetic analysis performed for the purpose of this work revealed the complexity of the thermal degradation process for both pure PEO and all PEO/LiMMT nanocomposites. The contribution of the each individual process has been determined and each of them was independently analyzed. Kinetic parameters (activation energy, pre-exponential factor and kinetic model) have also been calculated for each degradation stage of all investigated samples.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

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