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Laurolactam as a stabilizer against the thermo-oxidative degradation of poly(et...
Botelho, Gabriela; Gijsman, P.; Machado, A. V.; Queirós, ArleteIn this study we examined the influence of laurolactam on the thermo-oxidative degradation of a copolymer of poly(butylene terephthalate) and polybutylene glycol and of di(ethyleneglycol) dibenzoate, used as model compound. The degradation was followed by measurement of the oxygen uptake, FTIR and 1H-NMR spectroscopy and measurement of the intrinsic viscosity changes during degradation. A stabilizing effect of l...
Data: 2004
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Origem: RepositóriUM - Universidade do Minho
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