Unexpected and unusual triboelectrification behavior of polymer films containing carboxyl group

The triboelectrification behavior of polymer films when in contact with iron carrier beads was investigated using a homemade special instrument which can control relative humidity under a nitrogen atmosphere. The films showed a large humidity-dependent charging behavior; the charge amount increases...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 29(2013), 23 vom: 11. Juni, Seite 6903-10
1. Verfasser: Hiraga, Yuji (VerfasserIn)
Weitere Verfasser: Teramoto, Yudai, Miyagawa, Nobukazu, Hoshino, Katsuyoshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Carboxylic Acids Polystyrenes
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520 |a The triboelectrification behavior of polymer films when in contact with iron carrier beads was investigated using a homemade special instrument which can control relative humidity under a nitrogen atmosphere. The films showed a large humidity-dependent charging behavior; the charge amount increases with the ambient humidity in the range of a few percent RH to ca. 60% RH. This dependence is explained in terms of the model based on the water charging during the friction and the penetration of the positively charged water into the film. However, it was found that the humidity dependence is significantly depressed by the doping of carboxylic acids into the film or by the introduction of a carboxyl group in the polymer backbone. This depression is again explained by the above charged-water penetration model in which carboxylate ions trap the positively charged water on the film surface 
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700 1 |a Miyagawa, Nobukazu  |e verfasserin  |4 aut 
700 1 |a Hoshino, Katsuyoshi  |e verfasserin  |4 aut 
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