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The effect of gamma irradiation on electret properties of polyethylene

机译：γ辐照对聚乙烯驻极体性能的影响

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Abstract The paper describes the electret properties of low-density polyethylene and the effect of gamma irradiation on them. It is shown that the thicker polyethylene film the more stable the surface potential, electric field strength, and effective surface charge density values. The negative impact of gamma-radiation on the electret properties of the films that is caused by the release of the injected charge carriers from the traps due to clearing the energy barrier thanks to radiation energy is revealed. Irradiated polyethylene films, in turn, are polarized badly in a corona discharge because of the oxygen-containing groups on the surface formed during gamma-irradiation that act as charge carrier traps with low capture energy. It was found that the formation of cross bonds in the bulk of the polymer and carbonyl groups on its surface slightly raises the degree of crystallinity and the specific volume resistivity and decreases the specific surface resistivity.
机译：<标题>抽象 ara>本文描述了低密度聚乙烯的驻极体性能及γ辐照对它们的影响。结果表明，较厚的聚乙烯膜的表面电位，电场强度和有效表面电荷密度值越稳定。揭示了由于由于辐射能量而通过清除能量屏障而引起的薄膜驻留膜的驻极体特性的负面影响。由于在γ-辐射期间形成的表面上形成的表面上，照射的聚乙烯膜又在电晕放电中偏振，其用作低捕获能量的电荷载体陷阱。发现，在其表面上大量聚合物和羰基的交叉键的形成略微升高了结晶度和比体积电阻率，并降低了比表面电阻率。

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