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.
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Showing 1 to 20 of 161 for “"Inks"”.
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Digital textile printing: colorfastness of reactive inks versus pigment inks
… digitally printed reactive and pigment inks printed on cotton fabrics. Fabric swatches printed using the reactive and pigment inks were tested according to the AATCC standards for laundering, crocking, light, and perspiration.</p> <p>The digital textile printing industry has slowly …
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Rheology of printing inks and shortness
Includes bibliographical references.
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Rheology of printing inks and shortness
Includes bibliographical references.
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2d Material Inks for Printed Electronics
… focuses on these key aspects of 2d material inks, I first present the formulation of conductive 2d material inks for screen printing. I begin to tackle the issues outlined above by using the screen inks to fabricate simple devices. I then combine screen printing with a water-based technique …
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Synthesis and patterning of reactive silver inks
Silver inks are ubiquitous in printed electronic devices due to their high conductivity and oxidation resistance. However, many inks developed to date have numerous drawbacks such as difficult synthesis, high annealing temperatures, and electrical conductivities far below bulk silver. The …
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Multinozzle printheads for 3D printing of viscoelastic inks
… were developed for 3D printing of viscoelastic inks. These multinozzle arrays were machined out of poly(methylmethacrylate) (PMMA) using a 3-axis CNC mill. Several printhead designs were made, tested, and modeled, including those with bifurcating arrays of microchannels of varying sizes and a …
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Solution-Processed Solar Cells via Nanocrystal Inks and Molecular Solutions
On February 15, 2008 the National Academy of Engineering unveiled their fourteen grand challenges of engineering for the 21st century. At the top of the list and voted by the public as the most important challenge was the thrust to make solar energy economical. My research has been dedicated to …
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Graphene and Related Materials Inks and Composites for Space Applications
… the practical applications of the resulting GRM inks and composites across a spectrum of space technologies, spanning thermal control devices, additive manufacturing materials, and lunar surface exploration. Moreover, this work highlights the potential of in-space manufacturing (ISM) and …
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Nanomaterials-based inks for flexible electronics, energy and photocatalytic applications
… phase exfoliation and formulation of GRMs-based inks for flexible (opto) electronics, energy and photocatalysis. First I develop a protocol for the characterization of graphene inks, based on the statistical analysis of their Raman spectra. Such a tool is essential because of the scattering of …
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Extrusion Printing of Carbon Nanotube Inks, from Rheology to Electronics
… on the deposition of conductive liquid-based inks into continuous lines and films, typically on polymeric substrates. Among candidate conductive fillers for use in electronic inks, carbon nanotubes (CNTs) have high conductivity, low density, processability at ambient temperatures, and …
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Flame-based synthesis of multi-component metal nanoparticles and conductive inks
… multi-component metal nanopowders and nano-inks including copper-silver, nickel-silver and copper-nickel using the High Temperature Reducing Jet (HTRJ) process. The (HTRJ) reactor has been developed by our group to enable continuous one-step gas-phase (aerosol) synthesis of alloy metal …
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Preparation and characterisation of inks for let printing onto textile materials
… for textile printing, various ink jet printing inks suitable for textile printing were developed. Such inks were tested for physical characteristics required of a typical ink jet printing ink and successfully printed using a desktop ink jet printer. Successful printing of an array of textile …
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Two-dimensional material enhanced dielectric and conductive inks for printable electronics
… conductive, semiconducting, and dielectric inks with printing technologies enables the production of low-cost, large-scale electronic devices and systems. There are some drawbacks of current functional inks, such as high material cost, complex processing requirements, and low electrical …
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Two-dimensional material inks and composites for printed electronics and energy
… and methods which I use to characterise my inks, films and devices. Chapter 4 is the first experimental chapter of the thesis and demonstrates the printing of 2D material heterostructures to create fully printed dieletrically gated field effect transistors with 2D materials on textile and …
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The rheology of silicon nanoparticle inks fro screen printing electronic devices
In the development of inks for printed electronics, it is important to understand the behaviour of the functional inks and more especially their rheology and surface properties. This project emphasises the importance of ink characterization by performing rheological tests on silicon nanoparticle …
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Additive Manufacturing of Copper via Binder Jetting of Copper Nanoparticle Inks
This work created a manufacturing process and material system based on binder jetting Additive Manufacturing to process pure copper. In order to reduce the sintered part porosity and shape distortion during sintering, the powder bed voids were filled with smaller particles to improve the powder …
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Biphasic Nanoparticle Inks for Direct Write Assembly of Three-Dimensional Periodic Structures
Novel nanoparticle inks have been created for the direct-write assembly of 3-D periodic structures with fine scale (∼ 10 mum) features. These nanoparticle inks are composed of two populations of nanoparticles defined by the type of dispersant used to stabilize them, either poly(acrylic …
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Colloidal and Polyelectrolyte Inks for Direct -Write Assembly of 3D Periodic Structures
"Novel inks were developed for the direct-write assembly of 3D periodic structures with varying feature size. Specifically, two ink designs were pursued: (1) a model colloidal ink (feature size > 100 mum) and (2) a polyelectrolyte ink (feature size ∼ 1 mum). The rheological properties of both …
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Three-Dimensional Direct Ink Writing of Low Viscosity Inks in a Polyvinyl Alcohol Suspension
… method for low-viscosity nanomaterial inks composed of polyvinyl alcohol (PVA) as matrix and various nanomaterial fillers in forming 3D gel structures. This methodology can be extrapolated to other material systems without the requirement of supporting structure in maintain structural …
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Using vibrational spectroscopy to analyse the effect of environmental aging on gel pen inks
… been a large development in the analysis in pen inks, including the introduction of new techniques and development of methods such as the ink library approach and hyphenated chromatography. Attenuated Total Reflectance – Fourier Transform Infrared Spectroscopy (ATR-FTIR) is a rapid and …
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