In this section, you can access to the latest technical information related to the FUTURE project topic.

Electric-magnetic-dielectric synergism and Salisbury screen effect in laminated polymer composites with multiwall carbon nanotube, nickel, and antimony trioxide for enhancing electromagnetic interference shielding

Herein, polydimethylsiloxane (PDMS) was used as matrix, multi-walled carbon nanotubes (MWCNTs), nickel (Ni) and antimony trioxide (Sb2O3) particles were used as multiple fillers to explore the electric-magnetic-dielectric loss synergism in the composites. Generally, MWCNTs and Ni particles in the composites provided mainly electric and magnetic dissipation of microwaves, respectively. Sb2O3 particles were used to improve impedance matching and reduce surface reflection of microwaves. The synergistic effect of the Sb2O3-Ni-MWCNTs on electromagnetic interference (EMI) shielding effectiveness (SE) was discussed for combination of fillers with different ratio. Furthermore, the symmetrical structure (SS) and asymmetric structure (AS) composites were designed to obtain high EMI SE and absorption coefficient. For example, the SS composites and the AS composites could achieve the high EMI SET/absorption coefficient of???57.4?dB/???0.75, and???55.7?dB/???0.80, respectively, because of the electric-magnetic-dielectric synergism and Salisbury screen effect.

» Author: Qian-Ming He, Jun-Ru Tao, Yi Yang, Dian Yang, Kai Zhang, Bin Fei, Ming Wang

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