Development of a packaging material using antistatic ionomer part 2: charge distributions of potassium ionomer |
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Authors: | Nobuyuki Maki Yoshiro Tajitsu Haruo Sasaki |
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Affiliation: | 1. Technical Center, Du Pont‐Mitsui Polychemicals Co., Ltd, 6 Chigusa‐kaigan, Chiba‐ken 299‐0108, Japan;2. Graduate School of Engineering, Kansai University, 3‐3‐35 Yamate, Suita, Osaka 564‐8680, JapanTechnical Center, Du Pont‐Mitsui Polychemicals Co., Ltd, 6 Chigusa‐kaigan, Chiba‐ken 299‐0108, Japan or Graduate School of Engineering, Kansai University, 3‐3‐35 Yamate, Suita, Osaka 564‐8680, Japan.;3. Graduate School of Engineering, Kansai University, 3‐3‐35 Yamate, Suita, Osaka 564‐8680, Japan;4. The Japan Packaging Institute 10F Togeki Building, 4‐1‐1 Tsukiji, Chiyoda‐ku 104‐0045, Japan |
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Abstract: | Generally, plastics and plastic films are low in moisture absorption and high in electric insulation. They are inherently easy to be charged with static and can cause a variety of static troubles. We developed a functional packaging material to solve these static problems, by using potassium ionomer. We reported good antistatic performance (e.g. short static decay time, and excellent ash test) of potassium ionomer films in a previous paper. However, a mechanism underlying the antistatic property of potassium ionomer has not yet been fully elucidated. In this study, we measured the space charge distributions of potassium ionomer using the pulsed electro‐acoustic method. As a result of the space charge measurements, we found characteristic charge distribution of potassium ionomer film. On the basis of the existence of this characteristic charge distribution, we speculate that the space electric charge distribution of a potassium ionomer film under a direct current electric field shows apparent electric charge movement. Copyright © 2006 John Wiley & Sons, Ltd. |
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Keywords: | potassium ionomer antistatic charge distribution |
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