Preparation and characterization of carbon nano tube/epoxy nanocomposite as high intensity UV-Vis light absorbing coating

Nanostructured polymer composites have opened up new perspectives for multifunctional materials. Inparticular, carbon nanotubes (CNTs) present potential applications in order to improve mechanical and electricalperformance in composites with aerospace application. The combination of epoxy resin with multiwalled carbonnanotubes results in a new functional material with enhanced electromagnetic properties. The objective of this work wasthe processing of electromagnetic waves absorbing materials based on formulations containing different quantities ofcarbon nanotubes in an epoxy resin matrix. To reach this objective the adequate concentration of CNTs in the resin matrixwas determined. The processed structures were characterized by scanning electron microscopy, corrosion test, adhesiontest and reflectivity in the UV-Vis region of 400-700 nm analyses. The electromagnetic waves attenuation was up to99.7%, using only 1% (w/w) of CNT, showing that these materials present advantages in performance associated withlow additive concentrations.

کلیدواژه ها:

nano composites ، UV-Vis light absorbing materials ، Carbon nanotubes