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Technical feasibility of a new approach to electromagnetic interference (EMI) shielding of injection molded parts using in-mold coated (IMC) nanopaper

  • Eusebio Duarte Cabrera , Seunghyun Ko , Xilian Ouyang , Elliott Straus , L. James Lee and Jose M. Castro EMAIL logo
Published/Copyright: May 29, 2014
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 34 Issue 8

Abstract

Electromagnetic interference (EMI) is a disturbance that affects an electrical circuit due to electromagnetic radiation emitted from an external source. EMI may induce malfunction of equipment, interference with telecommunications and degradation up to total loss of data. EMI shielding refers to the reflection and/or adsorption of electromagnetic radiation by a highly electrically conductive material, usually metal, or polymer composites filled with conductive fillers. However, metal coatings tend to corrode and acceptable EMI shielding levels are difficult to achieve using conductive fillers in a thermoplastic matrix. This study presents a new approach to EMI shielding of plastic parts using in-mold coated (IMC) nanoparticle thin films or nanopapers to create a highly conductive top layer. EMI shielding effectiveness (SE) and electrical conductivity were measured.

Keywords: carbon nanofiber film; electromagnetic shielding effectiveness; injection molding; in-mold coating
Corresponding author: Jose M. Castro, Department of Integrated System Engineering, The Ohio State University, Columbus, OH, USA, e-mail:

Acknowledgments

We thank the Ohio State University Center for Advanced Polymers and Composites Engineering (CAPCE) for funding this study.

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Received: 2014-3-4
Accepted: 2014-5-8
Published Online: 2014-5-29
Published in Print: 2014-10-1

©2014 by De Gruyter

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https://doi.org/10.1515/polyeng-2014-0053
Keywords for this article
carbon nanofiber film; electromagnetic shielding effectiveness; injection molding; in-mold coating

Articles in the same Issue

  1. Frontmatter
  2. Original articles
  3. Kinetic degradation and storage stability of β-carotene encapsulated by spray drying using almond gum and gum arabic as wall materials
  4. Photo-polymerization of methacrylate based polymer electrolyte for dye-sensitized solar cell
  5. Synthesis and characterization of novel hydroxyl-terminated hyperbranched polyurethanes
  6. Electron beam modified nylon 6-clay nanocomposites: morphology and water absorption behavior
  7. The effect of ultraviolet irradiation and temperature on the resilience of high density polyethylene
  8. Polyaminoamide dendrimers surface-modified with anionic terminal groups for use as calcium carbonate scale inhibitors
  9. Technical feasibility of a new approach to electromagnetic interference (EMI) shielding of injection molded parts using in-mold coated (IMC) nanopaper
  10. Study on crystallization performance of polyethylene terephthalate/polybutylene terephthalate alloys
  11. Numerical study of polymer melt flow in a three-dimensional sudden expansion: viscous dissipation effects
  12. Enhancement of mechanical properties of polypropylene by blending with styrene-(ethylene-butylene)-styrene tri-block copolymer
  13. Development and fabrication of cement reinforced polypropylene composite material spur gear
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