Abstract
The effect of interfacial bond on damping properties of carbon nanotubes (CNTs) enhanced polymers is investigated. To acquire different interfacial bonds (including van der Waals, weak, and strong covalent bond) of CNTs enhanced polymers, different functionalizations of CNTs have been designed through acid treatment and silane termination. CNTs with silanization show superior dispersion state in the matrix regardless of CNTs content. When the CNTs content is lower than 0.2 wt%, a strong interfacial bond of CNTs/epoxy composites has a deleterious effect on the damping properties. When the CNTs content is greater than 0.2 wt%, the strong covalent bond becomes the dominant factor to enhance damping properties and slow down the decreasing rate of the damping properties. POLYM. COMPOS., 35:548–556, 2014. © 2013 Society of Plastics Engineers
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