Fourier analyzes for polymeric materials exposed to gamma rays
Keywords:
FTIR, Epoxy, Gamma Dose, transparency, functional groupAbstract
The study of epoxy exposed to gamma radiation for different periods of time up to six months of several period irradiations with the dose range of 28.05468 KGy with the first week to the six months with the accumulations dose of 721.413 KGy. FT-IR technique with FTIR analyzes of the samples was using. These results were varied comparison with the previous researches because they do not show identical destruction under similar irradiation conditions. The six-month period of exposure to gamma rays had a very large impact on the results of the current study. The broad peak ranges from 3380 to 3340 1/cm are because OOH stretches, and the sharp peak at 910 1/cm. because of the epoxide vibration peak. The the carbonyl group predominant peak is 1730 1/cm.and the broad 3500 1/cm. The strong band for the non-irradiated epoxy appears at 763.67 1/cm., but the other irradiated samples the bands is shifted to the left at 771.47 1/cm. The previous bands disappear for the samples which irradiated for three and four months by gamma ray.
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