Effect of gamma irradiation on the dielectrical behaviour of polyolefines: Stabilized isotactic polypropylene
1991
Abstract The effects of gamma radiation on the electrical conduction and the dielectric strength of isotactic polypropylene addittivated with a well known amount of Hals are investigated. The experimental data carried out on films of pure PP or addittivated with a percentage of 0.25 and 1% of Tinuvin 770, unirradiated and irradiated under air up to 6.3 Mrad, are reported. These results are discussed and an attempt to justify the experimental evidence is made.
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