Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 48 for “"polymer coatings"”.
-
Chemical vapor deposition of antimicrobial polymer coatings
… process, is used to form thin films of polymers on fragile substrates. To improve research efficiency, a new combinatorial iCVD system was fabricated and used to efficiently determine the deposition kinetics for two new polymeric thin films, poly(diethylaminoethylacrylate) (PDEAEA) and …
-
Cure induced stress generation and viscoelasticity in polymer coatings.
Coatings solidified by free-radical polymerization and crosslinking (curing) reactions initiated with ultraviolet (UV) light do so quickly and at room temperature. Low viscosity monomer or oligiomer makes the use of volatile solvent unnecessary, decreasing energy use and making the process more …
-
A study of chlorinated polymer coatings in a fretting interface
… this study is to determine whether chlorinated polymers such as polyvinylchloride (PVC) and polyvinylidenechloride (PVDC) degrade in a fretting interface. Polymer coated 52100 steel balls are fretted against a polished 1045 steel plate for 30 minutes in air and nitrogen at 25-30 percent and …
-
Advancing porous heat transfer materials and polymer coatings with photonic structures
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-12-01
-
Thick Conducting Polymer Coatings for Safe Electric Field Delivery to the Spinal Cord
… milestones for the development of soft, polymer-based neural interfaces in regenerative neuromodulation. Collectively, this work provides a defensible and quantitative pathway for advancing thick-film film PEDOT:PSS electrodes from benchtop validation toward clinical translation, …
-
Sensitivity control of optical fiber biosensors utilizing turnaround point long period gratings with self-assembled polymer coatings
Biosensors have a multitude of important applications in basic research, environmental monitoring, biodefense, and medicine. This research aims to show that Ionic Self-Assembled Multilayers (ISAMs) adsorbed on Long Period Gratings (LPGs) can serve as a highly sensitive, robust, inexpensive …
-
Theory and applications of confocal micro-Raman spectroscopy on hybrid polymer coatings and PDMS membranes and spectroscopic studies of doped B2O3-Bi2O3 glass systems
… of confocal micro-Raman spectroscopy on hybrid polymer coatings and an application of this spectroscopic method on PDMS-membranes. The theoretical-experimental study includes the application of a model that describes the influence of the refraction effect on the focus length on confocal Raman …
-
Visible Light Photocatalytic MoO3-Based Nanomaterials Synthesis, the Effect of Polymer Coatings on Their Photocatalytic Activity and Dissolution, and Their Applications in Water Treatment
… of inorganic and organic matter, indicating that coatings may be beneficial in improving the utility of the photocatalyst for water treatment. Hence, conductive polymers such as polypyrrole (PPy) and polyaniline (PANI) were studied as coatings for magnetic MoO3 to determine their effect on …
-
Theoretical Modeling of Polymeric and Biological Nanostructured Materials
Polymer coatings on periodic nanostructures have facilitated advanced applications in various fields. The performance of these structures is intimately linked to their nanoscale characteristics. Smart polymer coatings responsive to environmental stimuli such as temperature, pH level, and ionic …
-
Hybrid structures for molecular level sensing
… dynamics relative to metals and ceramics, all polymeric materials, to some extent, are stimuli-responsive by exhibiting pronounced chemical and physical changes in the backbone, side chains, segments, or end groups induced by changes in the local environment. Thus, the push to incorporate …
-
Removal of polymer coating with supercritical carbon dioxide
… carbon dioxide in particular, for the removal of polymer coatings. Research into new supercritical fluid applications is nearly always based on a trial and error approach, and frequently requires evaluating each operation on a case-by-case basis. A significant improvement in this approach is …
-
Polydimethylsiloxane-Based Self -Healing Composite and Coating Materials
… demonstrate the bulk self-healing property of a polymer composite composed of a phase-separated PDMS healing agent and a microencapsulated organotin catalyst by chemical and mechanical testing. Another significant research focus is on self-healing polymer coatings which prevent corrosion of a …
-
Characterization and preservation techniques of plant xylem as low cost membrane filtration devices
… capabilities) after drying through the use of polymer coatings. Finally, potential techniques for decreasing the minimum particulate size the xylem can filter are discussed, with the aim of allowing the membrane to filter viruses.
-
Nanoparticle coatings for spatial and temporal control of cancer imaging and therapy
… protein function, a series of nanoparticle coatings are developed that utilize bio-inspired strategies for temporal and spatial control, including emergent function through self-assembly, unveiling of latent properties in response to protease activation, and the integration of inhibitory and …
-
The effects of load and humidity on friction and life of polymeric coatings used to prevent fretting corrosion
… durability and coefficient of friction of five polymer coatings used to protect against fretting corrosion. Chlorine and non-chlorine containing polymers were used in this research to see if the large humidity effect seen in a previous study with polyvinyl chloride is strictly a chlorine related …
-
Investigation of factors affecting the sticking of insects on aircraft wing surfaces
… on the number of insects sticking onto the polymer coatings on a modified aircraft wing and to determine the mechanism by which insects stick onto surfaces during a high-Velocity impact. Analyses including scanning electron microscopy (SEM), electron spectroscopy for chemical analysis (ESCA) …
-
Novel Fluorous Hybrid Surface Modification Characterized by Wetting Dynamics, Morphology and Nanomechanics
<p>The surface response of a polymer substrate to external stimuli such as initial wetting is controlled by the outermost molecular layer. Thus, changes on the nanoscale may be engaged to control macroscale wetting behavior. Our work has predominantly focused on surface modification of conventional …
-
Aerogels and films through free radical polymerization
… building blocks of silica aerogels with polymers. To streamline the crosslinking process we synthesized a bidentate free radical initiator (Si-AIBN) that gets attached on the skeletal nanoparticles and induces crosslinking by surface initiated polymerization (SIP). Here, we extend the …
-
Šiuolaikinių keramikos konservavimo metodų kūrimas ir pritaikomumo tyrimas /
… the harmful impact of external environment. Five polymer substances were tested on contemporary and historical ceramics. The distribution of the polymer substances on the ceramic surface was evaluated with the help of modern surface morphology investigations. Also, it was tested whether the used …
Page 1 of 3