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http://dx.doi.org/10.7234/composres.2018.31.5.282

Interfacial Characterization of Mineralized Carbon Nanotubes  

Park, Chanwook (Department of Mechanical & Aerospace Engineering, Seoul National University)
Jung, Jiwon (Department of Mechanical & Aerospace Engineering, Seoul National University)
Yun, Gunjin (Department of Mechanical & Aerospace Engineering, Seoul National University)
Publication Information
Composites Research / v.31, no.5, 2018 , pp. 282-287 More about this Journal
Abstract
In this paper, we explore interfacial properties of the mineralized CNTs when they are employed as reinforcing fillers in a polymer nanocomposite using molecular dynamics (MD) simulations. Recently, several studies on mineralizing carbon nanotubes (CNTs) with an aid of nitrogen doping to CNTs have been reported. However, there is a lack of studies on the reinforcing effects of the mineralized CNTs when it is employed as a filler of nanocomposites. Silica ($SiO_2$) is used as a mineral material and poly (methyl metacrylate) (PMMA) is used as a polymer matrix. Pull-out simulations are conducted to obtain the interfacial energy and the interfacial shear stress. It was found that the silica mineralized CNTs have higher interfacial interaction with the polymer matrix. In the future, by examining various thermomechanical properties of the mineralized-CNT-filler/polymer nanocomposites, we will search for potential applications of the novel reinforcing filler.
Keywords
Mineralized CNTs; Reinforcing filler; Filler/matrix nanocomposites; Interfacial properties; Molecular dynamics;
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