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Articles 1 - 9 of 9
Full-Text Articles in Chemistry
Chemomechanical Polymers As Sensors And Actuators For Biological And Medicinal Applications, Hans-Jörg Schneider, Kazuaki Kato, Robert M. Strongin
Chemomechanical Polymers As Sensors And Actuators For Biological And Medicinal Applications, Hans-Jörg Schneider, Kazuaki Kato, Robert M. Strongin
Chemistry Faculty Publications and Presentations
Changes in the chemical environment can trigger large motions in chemomechanical polymers. The unique feature of such intelligent materials, mostly in the form of hydrogels, is therefore, that they serve as sensors and actuators at the same time, and do not require any measuring devices, transducers or power supplies. Until recently the most often used of these materials responded to changes in pH. Chemists are now increasingly using supramolecular recognition sites in materials, which are covalently bound to the polymer backbone. This allows one to use a nearly unlimited variety of guest (or effector) compounds in the environment for a …
Synthesis, Reactions, And Applications Of Bis-Ortho-Diynyl Arene (Boda) Monomers, Polymers, And Derivatives, Mark Perpall
Synthesis, Reactions, And Applications Of Bis-Ortho-Diynyl Arene (Boda) Monomers, Polymers, And Derivatives, Mark Perpall
All Dissertations
Bis-ortho-diynyl arenes (BODA) monomers contain two arenediyne functional groups with variable functionality at both the linker group, X, and the alkyne terminal group, R. These arenediyne moieties undergo thermal Bergman reactions to cycloaromatize to naphthyl diradical species. The inclusion of two of these arenediyne functionalities allows the polymer to grow without losing processability and solubility as most aromatic polymers do. The second functionality acts as a solubilizing group until all functionalities are consumed in the fully cured network polymer.
When heated above 800 °C, BODA polymer converts to a high-yield glassy carbon material. This work has been extended …
Tuning Nonlinear Optical Properties, T. Christopher Corkery, Marie P. Cifuentes, Marek Samok, Mark G. Humphrey
Tuning Nonlinear Optical Properties, T. Christopher Corkery, Marie P. Cifuentes, Marek Samok, Mark G. Humphrey
Chris Corkery
No abstract provided.
Chemical Vapour Deposition Grown Carbon Nanotubes For Interconnect Technology, R. W. Leahy, E. Lahiff, A Minett, W. J. Blau
Chemical Vapour Deposition Grown Carbon Nanotubes For Interconnect Technology, R. W. Leahy, E. Lahiff, A Minett, W. J. Blau
Faculty of Science - Papers (Archive)
Multiwall carbon nanotubes have been grown by catalytic chemical vapour deposition using iron catalyst particles drop cast onto etched silicon wafers. The catalyst used was poly(styrene-vinylferrocene) in toluene solution which has an iron content of 2.1%. The etched silicon wafers have trench regions of varying widths ranging from 0.32 to 1 μm. For trench widths below 0.5 μm the number of “interconnecting” tubes growing from one side of the trench to the other increases sharply. A significant proportion of these “interconnects” are found to be Y-junction and multiple junction MWNTs. A systematic study of the effects of each of the …
Incompressible And Compressible Boundary Layers On A Fibre In The Melt Spinning Process, John Harding
Incompressible And Compressible Boundary Layers On A Fibre In The Melt Spinning Process, John Harding
Doctoral
This thesis seeks to investigate shear stress on and heat transfer from the surface of a fibre in the industrial process of melt spinning. Melt spinning is the process whereby molten polymer materials are extruded through the holes of a device known as a spinneret to create continuous filaments of polymer. Fibres manufactured in this way are used in applications as diverse as fashion and clothing, to telecommunications. The magnitude ofthe shear stress on the fibre surface, and also the rate of heat transfer from the fibre to the surrounding environment are of major importance to the overall quality of …
A Novel Tio2 / Pvc Layer For Use In A Photoelectrochemical Cell, Faiza Touati, John Cassidy, Kevin Mcguigan
A Novel Tio2 / Pvc Layer For Use In A Photoelectrochemical Cell, Faiza Touati, John Cassidy, Kevin Mcguigan
Articles
A novel method of coating titanium dioxide on a glassy carbon electrode as a polyvinylchloride composite , is described. On illumination , there is an enhanced voltammetric current at this TiO2/PVC composite in aqueous formic acid solution. This electrode is used as the basis of a formic acid fuel cell where oxygen is reduced at a platinum cathode. The system yields 100 cm-2 for 0.01 mol dm-3 HCOOH in 0.1 mol dm-3 NaOH under illumination from a 150 W xenon lamp. The current without illumination is 0.5 cm-2.
Synthesis And Characterization Of Arylmethyl Sulfone Dendrimers And Hyperbranched Poly (Phenylene Sulfide) / Poly (Sulfone), Qiuxia Zhao
Seton Hall University Dissertations and Theses (ETDs)
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Boron Carbide Filled Neutron Shielding Textile Polymers, Derrick Anthony Manzlak
Boron Carbide Filled Neutron Shielding Textile Polymers, Derrick Anthony Manzlak
Dissertations, Theses, and Masters Projects
No abstract provided.
Surge Of Green: A Sustainable Approach To Conductive Polymers, Bethany Masten
Surge Of Green: A Sustainable Approach To Conductive Polymers, Bethany Masten
Undergraduate Review
No abstract provided.