Search Results - "PETHRICK, R. A"

Tensile Testing of Cellulose Based Natural Fibers for Structural Composite Applications by Symington, Mark C., Banks, W.M., West, Opukuro David, Pethrick, R.A.

“…A series of tensile tests were conducted on a Lloyd LRX tensile testing machine for numerous natural fibers deemed potential candidates for development in…”
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Synthesis and characterization of nylon 6/clay nanocomposites prepared by ultrasonication and in situ polymerization by McAdam, C.P, Hudson, N.E, Liggat, J.J, Pethrick, R.A

“…Nylon 6 nanocomposites were prepared by the in situ polymerization of ε-caprolactam with ultrasonically dispersed organically modified montmorillonite clay…”
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Positron annihilation—A probe for nanoscale voids and free volume? by Pethrick, Richard A.

“…The positron annihilation technique has been used extensively as a probe of defect structure in metals and ceramics and has also been used to characterise the…”
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A dielectric study of hydrolytic ageing and the effects of periodic freezing in carbon fibre reinforced plastic jointed structures by McConnell, B.K., Pethrick, R.A.

“…The effect of water on the dielectric properties of adhesively bonded carbon fibre reinforced plastic [CFRP/AF 163-2K] structures aged at 75 °C for 162 weeks…”
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Some factors influencing exfoliation and physical property enhancement in nanoclay epoxy resins based on diglycidyl ethers of bisphenol A and F by Ingram, S., Rhoney, I., Liggat, J. J., Hudson, N. E., Pethrick, R. A.

“…An investigation of the factors influencing the degree of exfoliation of an organically modified clay in a series of epoxy resins is reported. The use of…”
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Influence of the Epoxy Structure on the Physical Properties of Epoxy Resin Nanocomposites by McIntyre, S, Kaltzakorta, I, Liggat, J. J, Pethrick, R. A, Rhoney, I

“…The preparation and physical properties of a series of nanocomposites based on dispersions of Montmorillonite clays in thermoset epoxy resins are reported. The…”
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Enthalpy relaxation and free volume changes in aged styrene copolymers containing a hydrogen bonding co-monomer by MCGONIGLE, E.-A, COWIE, J. M. G, ARRIGHI, V, PETHRICK, R. A

“…Enthalpy relaxation of polystyrene (PS) and four modified polystyrene copolymers containing co-monomers capable of forming hydrogen bonds of different…”
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Star-shaped oligofluorene nanostructured blend materials: controlled micro-patterning and physical characteristics by Wu, M., Gu, E., Zarowna, A., Kanibolotsky, A. L., Kuehne, A. J. C., Mackintosh, A. R., Edwards, P. R., Rolinski, O. J., Perepichka, I. F., Skabara, P. J., Martin, R. W., Pethrick, R. A., Birch, D. J. S., Dawson, M. D.

“…Star-shaped oligofluorene consists of highly-fluorescent macromolecules of considerable interest for organic electronics. Here, we demonstrate controlled…”
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Gas permeation and positron annihilation lifetime spectroscopy of poly(ether imide)s with varying ether by Pethrick, R. A., Santamaria-Mendia, F.

“…A series of poly(ether imide)s are investigated using positron annihilation lifetime spectra [PALS] and gas permeation measurements. The glass transition…”
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Influence of Thermal Spikes on the Ageing of Adhesively Bonded Structures - A Dielectric Study by McConnell, B. K., Pethrick, R. A.

“…Dielectric measurements are reported on epoxy bonded aluminium joints exposed to moisture at 75°C. The observed changes in the dielectric spectrum that occur…”
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Prediction of the Rheological Properties of a Curing Thermoset System by Daly, J. H., Hayward, D., Pethrick, R. A.

“…The variation of the viscosity as a function of the degree of conversion for an anhydride cured epoxy resin is modeled using a combination of a Monte Carlo…”
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Surface Segregation in Blends of Polystyrene and Perfluorohexane Double End Capped Polystyrene Studied by Static SIMS, ISS, and XPS by Affrossman, S, Bertrand, P, Hartshorne, M, Kiff, T, Leonard, D, Pethrick, R. A, Richards, R. W

“…The surface composition of styrene polymers capped at one or both ends by perfluoro groups has been determined by ISS, XPS, and static SIMS. The homopolymers,…”
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Influence of stoichiometric ratio on water absorption in epoxy resins by Grave, Christian, McEwan, Iain, Pethrick, Richard A.

“…Dielectric, gravimetric, dynamic mechanical, and infrared measurements are reported on the effect of different stoichiometric ratios on the water absorption of…”
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Poly(acrylic acid)–poly(vinyl pyrrolidone)-thickened water/glycol de-icing fluids by Wang, Y., Hudson, N.E., Pethrick, R.A., Schaschke, C.J.

“…In this study we consider the use of poly(vinyl pyrrolidone) (PVP) in conjunction with poly(acrylic acid) (PAA) as a thickener for water/glycol solutions. PAA…”
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Dielectric relaxation studies of some poly(ether imide)s containing main-chain ethyleneoxide units by Eastmond, G. C., Paprotny, J., Pawson, A., Pethrick, R. A., Santamaria-Mendia, F.

“…ABSTRACT Broad band dielectric relaxation spectra are reported for some poly(ether imide)s based on 2,2‐bis[4′‐(3″,4″‐dicarboxyphenoxy)phenyl]hexafluoropropane…”
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The influence of thermal history on the dynamic mechanical and dielectric studies of polyetheretherketone exposed to water and brine by Boinard, E., Pethrick, R.A., MacFarlane, C.J.

“…The effects of thermal history on the absorption of distilled water and brine and their influence on the dynamic mechanical and dielectric properties of…”
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Non destructive evaluation of adhesively bonded composite structures using high frequency dielectric spectroscopy by BOINARD, P, PETHRICK, R. A, BANKS, W. M, CRANE, R. L

“…Over the last ten years, the application of high frequency dielectric techniques for the assessment of adhesively bonded structures has been investigated. The…”
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Hybrid GaN/organic microstructured light-emitting devices via ink-jet printing by Wu, M, Gong, Z, Kuehne, A J, Kanibolotsky, A L, Chen, Y J, Perepichka, I F, Mackintosh, A R, Gu, E, Skabara, P J, Pethrick, R A, Dawson, M D

“…We report what we believe to be the first use of organic nanostructures for efficient colour conversion of gallium nitride light emitting diodes (LEDs). The…”
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Dielectric studies of adhesively bonded CFRP/epoxy/CFRP structures — design for ageing by Halliday, S.T, Banks, W.M, Pethrick, R.A

“…The ageing behaviour of carbon fibre-reinforced plastic/epoxy/carbon fibre-reinforced plastic (CFRP/epoxy/CFRP) adhesively bonded structures has been…”
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A Comparison of Poly(ether imide)s with 3-Phthalimide and 4-Phthalimide Units:  Synthesis, Characterization, and Physical Properties by Eastmond, G. C, Paprotny, J, Pethrick, R. A, Santamaria-Mendia, F

“…Bis(ether anhydride)s with 3- or 4-phthalimide moieties were prepared by reacting 3- or 4-nitrophthalodinitrile, respectively, with several diols and…”
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