Non-isothermal kinetic applied to thermal decomposition of commercial alkyd varnish

Amaral, GCA; Crespi, Marisa Spirandeli; Ribeiro, Clovis Augusto; Hikosaka, M. Y.; Guinesi, L. S.; Santos, A. F.

Otro

Registro en:

Journal of Thermal Analysis and Calorimetry. Dordrecht: Springer, v. 79, n. 2, p. 375-377, 2005.

1388-6150

http://hdl.handle.net/11449/32741

http://acervodigital.unesp.br/handle/11449/32741

10.1007/s10973-005-0068-0

WOS:000227155700028

0000-0002-7984-5908

http://dx.doi.org/10.1007/s10973-005-0068-0

http://repositorioslatinoamericanos.uchile.cl/handle/2250/877022

Autor

Amaral, GCA

Crespi, Marisa Spirandeli

Ribeiro, Clovis Augusto

Hikosaka, M. Y.

Guinesi, L. S.

Santos, A. F.

Institución

Universidade Paulista Júlio de Mesquita Filho (Brasil)

Resumen

Samples of commercial alkyd resin varnish were spread in a film form on slides, dried at room temperature and exposed to solar radiation from one day up to seven months.Thermogravimetric measurements have been done. Based on the TG data, the Flynn-Wall isoconversional method was applied. The activation energy varied between 176-154 kJ mol(-1) and logA was between 15.5-12.9 min(-1) for A, B and C samples at 95% confidence level.

Materias

alkyd resin

kinetic parameters

non-isothermal kinetic

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