Evaluating Triboelectric Properties of Polymer Films: An Incipient Appliance and Case Studies

ISSN: 1874-4656 (Online)
ISSN: 1874-4648 (Print)


Volume 7, 3 Issues, 2014


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Evaluating Triboelectric Properties of Polymer Films: An Incipient Appliance and Case Studies

Author(s): Saravanabhavan S. Sundar, Kalambettu Aravind, Rethinasababathy Muruganantham and Dharmalingam Sangeetha

Affiliation: Department of Mechanical Engineering, Anna University, Chennai-600 025, India.

Abstract

The present study describes a design of a contrivance for the generation of triboelectricity. Three polymer films, Chitosan (Chit), poly vinyl alcohol (PVA) and Chit/PVA blend were rubbed against an ultra high molecular weight polyethylene (UHMWPE) sheet utilizing the contrivance for which, a patent has been filed. The constructed contrivance utilized compressed air and pneumatic pistons to engender the to and fro forms of kineticism for engendering the static charges. The results of the study showed that the voltage recorded in the three polymer films at room temperature ranged from 14mV-88mV. The surface roughness of the three polymer films was evaluated and their role in the generation of triboelectric charges was discussed. It was evident from the results that the roughness of PVA was four times more than that of Chit and that upon coalescing the two polymers, the resulting film had a roughness value lying between those for Chit and PVA. Higher surface roughness was associated with higher wear rates which contributed to the generation of triboelectricity. The present invention is a simple contrivance having scope for further ameliorations and with potential applications in industries such as copiers, laser printers, medical applications, textiles and armed forces.

Keywords: Multitmeter, polymer films, surface roughness, triboelectricity, ultra high molecular weight polyethylene.

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Article Details

Volume: 7
Issue Number: 1
First Page: 64
Last Page: 70
Page Count: 7
DOI: 10.2174/18744648113066660021
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