Space charge evolution in acetophenone impregnated LDPE sheets

T. Takeda, N. Hozumi, H. Suzuki, T. Okamoto, K. Watanabe, A. Watanabe, H. Miyata
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Abstract

Non-uniform distribution of acetophenone was simulated by impregnating acetophenone into low density polyethylene (LDPE). Space charge evolution under DC high voltage was then measured by the pulse electroacoustic method. An independent peak appeared in the vicinity of the acetophenone impregnated electrode, the polarity of the peak being the same as the electrode. FT-IR measurement showed a significant gradient in the acetophenone content in the insulation.
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苯乙酮浸渍LDPE片材的空间电荷演化
通过将苯乙酮浸渍在低密度聚乙烯(LDPE)中,模拟了苯乙酮的不均匀分布。然后用脉冲电声方法测量了直流高压下空间电荷的演化。在苯乙酮浸渍电极附近出现了一个独立的峰,其极性与电极相同。傅里叶变换红外光谱(FT-IR)测量表明,绝缘材料中苯乙酮的含量呈显著的梯度变化。
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