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Showing 1 to 20 of 48 for “"polymer nanocomposite"”.
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Polymer Nanocomposite Foams with Enhanced Thermoelectric Efficiencies
… compared with their semiconducting counterparts, polymers have lower TE efficiencies, which have limited their applications. A fundamental challenge to improve the efficiency of polymeric TE materials is to simultaneously enhance their Seebeck coefficient and electrical conductivity while …
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CNT-reinforced polymer nanocomposite by molecular dynamics simulations
<p>Polymer matrix composites reinforced with carbon nanotubes (CNTs) have received significant attention due to their potential for exceptional mechanical, electrical, thermal and optical properties. The enhancement of ultimate mechanical properties of CNT reinforced polymer composites is governed …
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Microfabrication of conductive polymer nanocomposite for sensor applications
… novel microfabrication techniques of conductive polymer nanocomposite and utilized this material as a functional element for various physical sensor applications. Microstructures of nanocomposite were realized through novel microcontact printing and laser ablation assisted micropatterning …
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Light and Heat Selective Polymer Nanocomposite Films for Sustainable Greenhouses
… thermal conductivity, attributed to the EVA polymer infiltrating the pores of the aerogel. The experimental films were found to experience more severe chemical and physical aging in comparison to commercial films, however, the QDs incorporated in the experimental films provided some …
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The Manufacture of Polymer Nanocomposite Materials Using Supercritical Carbon Dioxide
… improve their dispersion during melt blending in polymer matrices has been reported in the literature. One of the best processes in terms of improving the degree of nano-clay dispersion and composite mechanical properties was developed in our laboratory. This process allows the clay to be in …
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Multiscale Design And Life-Cycle Based Sustainability Assessment Of Polymer Nanocomposite Coatings
… resin system is a water-dispersible acrylic polymer with hydrophilic nanoparticles incorporated into it. The nano-scale atomistic and micro-scale coarse-grained (CG) level simulations are performed using molecular dynamics methodology to study several structural and morphological features …
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Poly(Ethylene Oxide)/Graphene Oxide Polymer Nanocomposite Electrolyte for Lithium Ion Batteries
Solid polymer electrolytes (SPEs) can resolve the safety problems associated with the traditional liquid electrolytes while offering mechanical stability and thin film manufacturability. The main issue with SPEs is the lower ionic conductivity at room temperature compared to that of liquid …
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Towards Structural Health Monitoring of Gossamer Structures Using Conductive Polymer Nanocomposite Sensors
… aim of this research is to calibrate conductive polymer nanocomposite materials for large strain sensing and develop a structural health monitoring algorithm for gossamer structures by using nanocomposites as strain sensors. Any health monitoring system works on the principle of sensing the …
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Functionalized Single Walled Carbon Nanotube/Polymer Nanocomposite Membranes for Gas Separation and Desalination
Polymeric membranes for gas separation are limited in their performance by a trade-off between permeability and selectivity. New methods of design are necessary in making membranes, which can show both high permeability and selectivity. A mixed matrix membrane is one such particular design, which …
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Experimental characterization and machine learning optimization of polymer nanocomposite membranes for carbon capture systems
… capture capabilities of Polyacrylonitrile (PAN) nanocomposite membranes by reinforcing them with multi-walled carbon nanotubes (MWCNT) and silica (SiO2). These membranes were made using the electrospinning manufacturing method. The nanoparticles were functionalized using Gum Arabic (GA) to …
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Field-Grading in Medium-Voltage Power Modules Using a Nonlinear Resistive Polymer Nanocomposite Coating
… approach that utilizes a nonlinear resistive polymer nanocomposite field-grading coating to enhance insulation performance without compromising thermal performance for medium-voltage power modules. The studied polymer nanocomposite is a mutual effort of this research and NBE Technologies. …
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Nonlinear Polymer Nanocomposite for Field Grading in Medium-Voltage Power Converters under High-Altitude and Humid Environments
… and characterization of a nonlinear resistive polymer nanocomposite (PNC) coating designed to enhance insulation within medium-voltage (MV) power modules and suppress flashover on printed-circuit boards (PCBs) at high altitudes. Electric field simulations of the triple-point (TP) region …
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Micromechanical modelling of advanced hierarchical composites
… by impregnating the nanoporous metal with a polymer. In this work the behaviour of a polymer impregnated nanoporous gold (NPG) composite is explored using the finite element method in three different scenarios: linear elasticity, fracture and electrically stimulated actuation. Using …
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Development and evaluation of anti-biofouling nano-composite coatings
… this study, a range of novel Ni–P–PTFE-biocide polymer nanocomposite coatings and modified DLC coatings with B, F, N, Si and Ti were designed and produced using electroless plating, magnetron sputter ion-plating and plasma enhanced chemical vapour deposition techniques. The surface properties of …
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Nanocomposite of ZrO2/Polymer Thin-Film Coatings by the Ionically Self-Assembled Monolayer Technique
Nanocomposites of multilayer structures of zirconia/polymer thin-film coatings have been fabricated on quartz and single-crystal silicon substrates by the Ionically Self-Assembled Monolayer (ISAM) technique. Particle size distribution was measured to calculate the grain diameter of the zirconia …
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Engineering electroresponsive layer-by-layer thin films
Electroresponsive layer-by-layer (LbL) polymer films and polymer nanocomposite films were investigated as model systems for electrically triggered drug delivery applications and "mechanomutable" surface coating applications. Two strategies were implemented in the design of these electroresponsive …
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Pressure Driven Desalination Utilizing Nanomaterials
… oxide sheets. The second project is to fabricate polymer nanocomposite membranes with carbon nanotubes encapsulated by polymerized surfactants. The designed polymerizable surfactant forms lyotropic liquid crystalline mesophases in an aqueous medium with hexagonal packing of cylindrical micelles. …
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Computational Investigation of Strain and Damage Sensing in Carbon Nanotube Reinforced Nanocomposites with Descriptive Statistical Analysis
Polymer bonded explosives (PBXs) are composites comprised of energetic crystals with a very high energy density surrounded by a polymer binder. The formation of hotspots within polymer bonded explosives can lead to the thermal decomposition and initiation of the energetic material. A frictional …
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Processing and Characterization of Multifunctional Thermoplastic Nanocomposite Films
Nanoparticles reinforced polymer composite films have been widely studied for their enhanced mechanical, electrical and thermal properties compared with host polymer matrix. However, most research was conducted on incorporation of nanoparticles in polymer films to improve single property and there …
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