Design and synthesis of polymer nanocomposites for radio frequency applications

    Research output: ResearchConference 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

    Nanocomposites
    Polymers
    Permittivity
    Composite materials
    Processing
    ferric oxide
    Iron oxides
    Microwaves
    Nanoparticles
    Sulfones
    Compression molding
    Magnetic materials
    Microelectronics
    Dielectric properties
    Curing
    Fillers
    Differential scanning calorimetry
    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: ResearchConference 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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