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- W4200225405 abstract "A series of carbon foams (CFs) were fabricated from the emulsion-templated porous polymeric composites, following with hypercrosslinking and carbonization. The polymeric composites were constituted by syndiotactic polystyrene (sPS), carbon nanotubes (CNTs) and magnetic [email protected] The addition of nanofillers was beneficial to the carbonization, resulting in less shrinkage, higher graphitization degree, lager emulsion-templated voids and nanofibrous pore walls. The composite CFs showed higher robustness (up to 19.7 MPa cm3 g−1), more hydrophobic surface (water contact angle up to 148°) and larger specific surface area (up to 144 m2 g−1). In particular, the electrical conductivity (up to 97 S m−1) and electromagnetic interference (EMI) shielding effectiveness (EI) (up to 78.0 dB) were greatly enhanced when the CNTs and [email protected] were simultaneously employed. The conduction losses caused by conductive network of residual carbon network of carbonized sPS and the nanofillers, polarization losses from interfacial polarization between carbonized sPS and nanofillers, dielectric loss within mesopores and magnetic loss from [email protected] contributed to the enhanced shielding effectiveness. The carbon foams can be prefect succedanea of the commercial EMI shielding materials in the aerospace and wireless telecommunication fields." @default.
- W4200225405 created "2021-12-31" @default.
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- W4200225405 date "2022-03-01" @default.
- W4200225405 modified "2023-10-17" @default.
- W4200225405 title "Carbon foams derived from emulsion-templated porous polymeric composites for electromagnetic interference shielding" @default.
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- W4200225405 doi "https://doi.org/10.1016/j.carbon.2021.12.026" @default.
- W4200225405 hasPublicationYear "2022" @default.
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