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Polyurethane (PU) nanocomposites incorporated with polydopamine treated carbon nanotubes (PDA-CNTs) were prepared by solution casting method via in-situ polymerization, achieving excellent CNTs dispersion in the PU matrix. It was observed that, with a loading of only 0.3 wt%, the tensile modulus and tensile strength were increased by 40% and 100% respectively. This reinforcement even exceeded the...
Polydopamine (PDA) was spontaneously coated on acid treated MWCNT or pristine MWCNT surface via oxidative polymerization. The effect of PDA modified MWCNT hybrids on the lap shear strength of epoxy/aluminum joints and the failure mechanisms were systematically investigated. The PDA/acid modified MWCNT hybrid at only 0.5 wt% led to a substantial increase in the lap shear strength in comparison to neat...
In this paper, the enhanced transmission properties of the periodic rectangular groove based on carbon nanotube film on the dielectric substrate have been investigated. The transmission spectra exhibit well-defined maxima of which the position are determined by the geometry of the hole array. The magnitude of the transmission peak increases from 0.02 to 0.09 for groove width of 15–25 µm, when the...
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