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Kinetic analysis of thermal degradation of poly(ethylene glycol) and poly(ethylene oxide)s of different molecular weight (CROSBI ID 156171)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Stipanelov Vrandečić, Nataša ; Erceg, Matko ; Jakić, Miće ; Klarić, Ivka Kinetic analysis of thermal degradation of poly(ethylene glycol) and poly(ethylene oxide)s of different molecular weight // Thermochimica acta, 498 (2010), 1-2; 71-80. doi: 10.1016/j.tca.2009.10.005

Podaci o odgovornosti

Stipanelov Vrandečić, Nataša ; Erceg, Matko ; Jakić, Miće ; Klarić, Ivka

engleski

Kinetic analysis of thermal degradation of poly(ethylene glycol) and poly(ethylene oxide)s of different molecular weight

The effect of molecular weight on thermal characteristics and thermal degradation of poly(ethylene glycol) (PEG) and poly(ethylene oxide)s (PEO) was investigated by differential scanning calorimetry, FT-IR spectroscopy and dynamic thermogravimetry. Kinetic analysis of the non-isothermal degradation was performed using isoconversional (Flynn– Wall– Ozawa, Kissinger– Akahira– unose and Friedman)and the invariant kinetic parameters method. The empirical kinetic triplets (E, A, and f(a)) as well as the rate constants have been calculated. The relation between the heating rate, the degradation rate and molecular weight for all investigated samples has been established.

differential scanning calorimetry; dynamic thermogravimetry; Fourier transform-infra red spectroscopy; kinetic analysis; poly(ethylene glycol); poly(ethylene oxide)

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Podaci o izdanju

498 (1-2)

2010.

71-80

objavljeno

0040-6031

10.1016/j.tca.2009.10.005

Povezanost rada

Kemijsko inženjerstvo

Poveznice
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