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Electromagnetic properties and performance of exfoliated graphite (EG) - thermoplastic polyurethane (TPU) nanocomposites at microwaves

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F15%3A00445166" target="_blank" >RIV/61389013:_____/15:00445166 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.compscitech.2015.03.006" target="_blank" >http://dx.doi.org/10.1016/j.compscitech.2015.03.006</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.compscitech.2015.03.006" target="_blank" >10.1016/j.compscitech.2015.03.006</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Electromagnetic properties and performance of exfoliated graphite (EG) - thermoplastic polyurethane (TPU) nanocomposites at microwaves

  • Original language description

    Nanocomposite materials based on commercial thermoplastic polyurethane (TPU) loaded with exfoliated graphite (EG) in concentration between 0 and 20 wt.% have been prepared with EG via melt mixing and compression molding. The materials? electromagnetic properties have been measured with wave-guide technique between 8.2 and 12.3 GHz. They had shown a clear proportional dependence of complex permittivity with EG content. Above 16 wt.% permittivity becomes frequency dependent. These results are discussed inview of material microstructure by means of scanning electron microscope (SEM) observations. Samples, with 20 wt.% EG and 4 mm thick, show an average value of 20 dB of shielding effectiveness (SE), which make them suitable as shielding material for commercial application. Simulations of metal backed configuration showed that important narrowband EM absorption (>15 dB) can be achieved at 1 mm thickness, while multilayer structures are necessary to obtain EM broadband absorption (>10 dB b

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CD - Macromolecular chemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Composites Science and Technology

  • ISSN

    0266-3538

  • e-ISSN

  • Volume of the periodical

    114

  • Issue of the periodical within the volume

    19 June

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    8

  • Pages from-to

    26-33

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-84930194511