Design and synthesis of polymer nanocomposites for radio frequency applications

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Radio frequency (RF) polymer nanocomposites offer many interesting materials options by combining electric and magnetic materials with structural and processing properties of polymers. For applications in microelectronics and microwave communication systems, ideal material properties would be high permeability and high permittivity, while maintaining low loss. For this study, nanocomposites were cured using diglycidyl ether of bisphenol F (DGEBF) with 4,4′ diamino diphenyl sulfone (DDS) as the curing agent. Nanoparticles used for this study include iron oxide (Fe 3O 4) nanopowder of spherical morphology. To optimize the nanoparticle dispersion within the matrix, an ultrasonication technique was used for synthesis of the composites with varying weight percent of the inclusions. The dielectric properties of the nancomposites were measured using a material/impedance analyzer which measures permeability and permittivity with changing frequency. Initial results show that the iron oxide nancomposites are relatively lossless (properties remain constant with frequency) and have a relative permittivity near 6 and permeability near 2. The composites were found to cure faster with higher loadings of nanopowder, as seen using differential scanning calorimetry (DSC). The cure initiation temperature increased with particle loading, indicating that the very small particles delayed cure. Future research will focus on measuring the mechanical properties of the composites to see if the material can maintain good properties while still having high concentrations of iron oxide filler. Moreover, a more detailed look at the effects on cure characteristics will be carried out. Also, different processing techniques will be used - i.e. microwave processing, compression molding, etc.

LanguageEnglish (US)
Title of host publicationAmerican Society for Composites - 21st Technical Conference of the American Society for Composites 2006
Pages518-527
Number of pages10
Volume1
StatePublished - 2006
Event21st Technical Conference of the American Society for Composites 2006 - Dearborn, MI, United States
Duration: Sep 17 2006Sep 20 2006

Other

Other21st Technical Conference of the American Society for Composites 2006
CountryUnited States
CityDearborn, MI
Period9/17/069/20/06

Profile

Iron oxides
Nanocomposites
Polymers
Permittivity
Composite materials
Processing
Microwaves
Nanoparticles
Sulfones
Compression molding
Magnetic materials
Microelectronics
Dielectric properties
Curing
Fillers
Differential scanning calorimetry
Ethers
Materials properties
Communication systems
Mechanical properties

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Farhat, S. A., Hawley, M. C., Balasubramaniam, S., & Kempel, L. C. (2006). Design and synthesis of polymer nanocomposites for radio frequency applications. In American Society for Composites - 21st Technical Conference of the American Society for Composites 2006 (Vol. 1, pp. 518-527)

Design and synthesis of polymer nanocomposites for radio frequency applications. / Farhat, S. A.; Hawley, M. C.; Balasubramaniam, S.; Kempel, L. C.

American Society for Composites - 21st Technical Conference of the American Society for Composites 2006. Vol. 1 2006. p. 518-527.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Farhat, SA, Hawley, MC, Balasubramaniam, S & Kempel, LC 2006, Design and synthesis of polymer nanocomposites for radio frequency applications. in American Society for Composites - 21st Technical Conference of the American Society for Composites 2006. vol. 1, pp. 518-527, 21st Technical Conference of the American Society for Composites 2006, Dearborn, MI, United States, 9/17/06.
Farhat SA, Hawley MC, Balasubramaniam S, Kempel LC. Design and synthesis of polymer nanocomposites for radio frequency applications. In American Society for Composites - 21st Technical Conference of the American Society for Composites 2006. Vol. 1. 2006. p. 518-527.
Farhat, S. A. ; Hawley, M. C. ; Balasubramaniam, S. ; Kempel, L. C./ Design and synthesis of polymer nanocomposites for radio frequency applications. American Society for Composites - 21st Technical Conference of the American Society for Composites 2006. Vol. 1 2006. pp. 518-527
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