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Showing 1 to 18 of 18 for “"Nanocomposite films"”.
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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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Light and Heat Selective Polymer Nanocomposite Films for Sustainable Greenhouses
… commercial SA particles were integrated into EVA films by melt mixing the particles with the plastic in a mini-compounder. The resulting blends were extruded and pressed into thin films using a Universal Film Maker and a Carver hydraulic press. The experimental films were aged in an accelerated …
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Vertically-aligned Oxide Nanocomposite Films for Improved Ferroelectrics and Ferromagnetics
… in strain control, the vertically aligned nanocomposite (VAN). I first present the literature in the field, explaining the advantages and unique novel properties stemming from VAN structures. Next, I introduce the work I did to examine the unique strain states of Ba0.6Sr0.4TiO3–Sm2O3 VAN …
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Characterization of Hydrophobically Modified Titanium Dioxide Polylactic Acid Nanocomposite Films for Food Packaging Applications
Titanium dioxide (TiO2) polymer nanocomposites improve barrier properties to gas and moisture and mechanical strength as well as providing active packaging functions. However, low compatibility between hydrophilic TiO2 nanoparticles and hydrophobic polymers such as polylactic acid (PLA) causes …
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Development of Cellulose-Titanium dioxide-Porphyrin Nanocomposite Films with High-barrier, UV-blocking, and Visible Light-Responsive Antimicrobial Features
… effect. The antibacterial efficacy of CNF films functionalized with TiO2-TCPP conjugate on inhibiting E. coli growth was analyzed with and without light of different intensities (3000 and 6000 lux). The positive impacts of CNFs' promoted fibrillation and subsequent inter/intra-molecular …
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Fabrication and Gas Permeation Studies on Polyimide/Layered-Aluminum Phosphate Nanocomposite Membranes
Polymer – clay nanocomposites have improved thermal, mechanical, and barrier properties when compared with the pure polymer. The objective of this study was to examine if gas separation performance could be improved by introducing a layered nanopourous aluminum phosphate with a large aspect ratio …
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Synthesis and Characterization of a Novel Polyacetal & Design and Preparation of Superhydrophobic Photocatalytic Surfaces
… applications of TiO<sub>2</sub>-based polymer nanocomposite films, where the reactive oxygen species (ROS) are generated on the solid surface. Catalytic nanocomposite films are an active area of research because of their potential uses for environmental remediation and chemical synthesis. …
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High performance magneto-optic garnet materials for integrated optics and photonics
… Bi-substituted iron garnet and garnet-oxide nanocomposite films of generic composition type (Bi, Dy/Lu)3(Fe, Ga/Al)5O12 are prepared by using a radio frequency (RF) magnetron sputtering technique. The physical properties (crystallinity, film morphology, optical absorption spectra across the …
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Nanomechanics of Glassy Polymers Under Confinement
… confined ($<30$ nm) polymer glasses and polymer nanocomposites. These materials have aided the development of smaller and faster computer chips, improved energy storage devices, protective coatings, and next generation materials with enhanced mechanical, electrical, and optical properties. …
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Revision-Polyurethane-Graphene Nanocomposites for Corrosion-Resistant Coatings
… to synthesize material. By incorporating it into nanocomposites, its properties can be exploited even at low concentrations. Previous work has been conducted involving the preparation of anticorrosive polystyrene-graphene nanocomposites; these materials were found to be effective long-term …
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Synthesis and Consolidation of Metal Oxide Nanocrystals via Nonthermal Plasma
… the properties of dense, structural ceramic nanocomposites. A unique approach to consolidation was taken in which nanocrystals were first deposited by established aerosol deposition techniques followed by complete densification via atomic layer deposition (ALD) infill. The method retains the …
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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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Hybrids Based on Layered Silicates
… visualized by TEM images taken from solvent-cast nanocomposite films.
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Reactive solids under shock compression
… The thermite systems of interest are Al∙Teflon nanocomposite films, ball milled 8Al∙MoO3 and Zr∙CuO multi-layer nano-thermites. Target emissions from these systems were tracked with nanosecond time resolution using a wavelength integrating photomultiplier tube and wavelength resolved streak …
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Multiferroic BiFeO3 films and nanostructures for hybrid energy harvesters
… vapor phase deposition of multiferroic BiFeO3 films and nanostructures. BiFeO3 is a multiferroic material and can maintain its properties in extreme environments thanks to its Curie and Neel temperatures well above room temperature. Photoelectric, pyroelectric, and piezoelectric properties are …
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Polyethylene Terephthalate / clay nanocomposites. Compounding, fabrication and characterisation of the thermal, rheological, barrier and mechanical properties of Polyethylene Terephthalate / clay nanocomposites.
… properties and degradation phenomena of PET/clay nanocomposites have been investigated in this project. An overall, important finding is that incorporation of nanoclays in PET gives rise to improvements in several key process and product parameters together ¿ processability/ reduced process …
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Study of Hybrid Cellulose Nanocrystals in Polymeric Nanocomposites
… pullulan, kefiran, and proteins. However, films from these biobased resources are brittle, moisture sensitive, and difficult to process for bioplastic applications. To address these challenges, various modification methods have been studied, including chemical modification and reinforcement …
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Enhancement Of Magnetic Vortex Pinning by APCs with Coherent BZO 1D-APC/YBCO Interface
… inserting thin Ca reservoir spacers in BZO/YBCO nanocomposite films. A defect-free, coherent BZO 1D-APC/YBCO interface is confirmed in transmission electron microscopy and elemental distribution analyses. This has led to a record high pinning force density Fp illustrating the critical importance …