Completely biodegradable banana fiber-wheat gluten composites for dielectric applications

Completely biodegradable banana fiber-wheat gluten composites for dielectric applications Biodegradable composites with desirable dielectric constants were obtained using banana fibers as reinforcement and wheat gluten as matrix. Dielectric materials play a critical role in many integrated circuits and microelectronics. Most dielectric materials are made from ceramics and synthetic polymers which are heavy, expensive, have limited range of dielectric values and also not biodegradable. Unlike previous reports that have developed partially biodegradable composites for dielectric applications, we have used protein and a natural fiber as matrix and reinforcement, respectively resulting in composites that are completely biodegradable. In addition, the thickness of the composites was varied which creates air gaps and influences the dielectric properties. Mechanical and electrical properties of the composites were studied at ambient and higher temperatures. Flexural and tensile properties were significantly influenced by the ratio of matrix and reinforcement and thickness of the composites. Dielectric values obtained ranged from 2 to 49 depending on the frequency. Dielectric constant, dielectric loss and dissipation factor decreased whereas conductivity increased with increasing frequency for all the samples. Biodegradable composites suitable for various electronic applications can be obtained with desired dielectric values by varying the composite fabrication conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science: Materials in Electronics Springer Journals

Completely biodegradable banana fiber-wheat gluten composites for dielectric applications

Completely biodegradable banana fiber-wheat gluten composites for dielectric applications

J Mater Sci: Mater Electron (2017) 28:12383–12390 DOI 10.1007/s10854-017-7058-4 Completely biodegradable banana fiber-wheat gluten composites for dielectric applications 2 1 1 H. B. Bhuvaneswari  · D. L. Vinayaka  · Manikandan Ilangovan  · Narendra Reddy   Received: 11 January 2017 / Accepted: 2 May 2017 / Published online: 10 May 2017 © Springer Science+Business Media New York 2017 Abstract Biodegradable composites with desirable 1 Introduction dielectric constants were obtained using banana fibers as reinforcement and wheat gluten as matrix. Dielectric mate- Increasing use of electronic goods and devices that have rials play a critical role in many integrated circuits and relatively short life-span such as mobile phones generates microelectronics. Most dielectric materials are made from considerable e-waste. Disposal of electronic waste is one ceramics and synthetic polymers which are heavy, expen- of the major environmental concerns, particularly in the sive, have limited range of dielectric values and also not developing countries [1]. Also, electronic goods contain biodegradable. Unlike previous reports that have developed valuable components that are difficult to be recovered and partially biodegradable composites for dielectric applica- reused using traditional technologies and processes. Due to tions, we have used protein and a natural fiber as matrix the indiscriminate disposal, several countries have enacted and reinforcement, respectively resulting in composites that stringent legislations on the treating or reusing of electronic are completely biodegradable. In addition, the thickness of waste [2]. the composites was varied which creates air gaps and influ- However, the amount of e-waste that is reused is only ences the dielectric properties. Mechanical and electrical about 30%. To overcome the challenges in disposing properties of the composites were studied at...
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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials
ISSN
0957-4522
eISSN
1573-482X
D.O.I.
10.1007/s10854-017-7058-4
Publisher site
See Article on Publisher Site

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