The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. 1 Introduction Carbon nanotubes (CNTs) have been expected to enhance thermal conductivity in various materials including composites, for applications such as thermal interface materials. However, the thermal properties of bulk CNTs and CNT composites tend not to achieve the hig...

This paper presents initial development of polymer nanocomposites (PNC) material for rapid manufacturing (RM) application. PNC materials containing a polyamide (PA) and nano particles (5wt%) were produced by solution blending with the aim to improve the mechanical properties. Commercial polyamide 6 (PA6) was dissolved in formic acid (HCO2H) together with two different types of nano particle mat...

Invention of carbon nanotube (CNT) in the 1990s introduced a new class of materials whose extraordinary mechanical, thermal, and electrical properties seemed appealing enough to the research community to devote their time and effort for the purpose of analyzing composite materials reinforced by CNTs. Particularly, the marvelous stiffness of CNTs has made it possible to reach a high-modulus comp...

Location: Exhibit Hall D (Miami Beach Convention Center) A. LANGSTON, S. CHOGLE, S. SHAIKH, M. SANKARAN, S. QUTUBUDDIN, A. MICKEL, S. POTLURI, and S. ALHASSAN, Case Western Reserve University, Cleveland, OH Objectives: Polymer nanocomposites(PNCs) are a new class of materials consisting of nanoparticles at very small quantities dispersed within a polymer matrix. The extent of nanoparticle dispe...

When fabricating polymer nanocomposites (PNCs), it is difficult for nanoparticles to disperse stably in matrix since their high-surface energy can cause them attract each other. In this paper, we review the effects of nanoparticle size, surface chemical properties, and thermodynamic parameters on dispersion state (including inorganic organic particles) PNCs describe some key measures promote di...

Dielectric energy storage capacitors with excellent high temperature resistance are essential in fields such as aerospace and pulse power. However, common high-temperature resistant polymers polyimide (PI) polyether sulfone have low densities efficiencies at temperature, which greatly limited practical applications. The polymer nanocomposites prepared by doping modification can regulate the cha...

Polymer diffusion and matrix morphology are investigated in polymer nanocomposites (PNCs). Using elastic recoil detection, tracer diffusion coefficients (D) of dPS and dPMMA are measured in PNCs containing polystyrene (PS) with phenyl-capped (Ph) silica, and poly(methyl methacrylate) (PMMA) with hydroxylterminated (OH) silica nanoparticles (NPs), respectively. As NP volume fraction increases or...

We report a one-pot synthesis of silver nanoparticle-polymer composites (Ag-PNCs) in water by a novel finding involving the polycondensation of methoxybenzyl chlorides (MeO-BzCl) directly on Ag nanoparticle surfaces at room temperature, leading to highly soluble antimicrobial nanocomposites. The composites, which are soluble in a range of organic solvents, precipitate in the reaction vessel, ma...

Fiber-reinforced polymer composites (FRCs) have shown great promise as high strength structural materials due to their high stiffness to weight ratio and their ease in processing. They have found extensive use in aerospace, automotive, construction, and recreational equipment material applications. Research in polymer-based nanocomposites (PNCs) has shown explosive growth in the past decade wit...