Abstract
A composite consisting of PVC and CaCO3 particles was irradiated with different doses of Gamma rays or electron beam in order to compensate the tensile strength decreases by filler addition. The deployment of irradiation process on the composite improved significantly the tensile strength by about 10–20 % using E-beam and Gamma irradiation at a dose of 250 kGy, respectively. Moreover, the irradiated composite exhibited higher thermal stability. Two thermal dehydrochlorination processes after irradiation have been observed instead of three thermal process before. The calculation of the activation energy of each step showed that initiation step consumed about 60 % of the used energy.
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