All Outputs (25)

Effects of additives on wax-oil dispersions (2019)
Thesis
Holmes, C. (2019). Effects of additives on wax-oil dispersions. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4912943

This thesis aimed to improve the understanding of the interaction of pour point depressant (PPD) and wax control agent (WCA) additives with waxes present in model crude oil and thin film rust preventative solutions respectively.
Addition of two PPDs... Read More about Effects of additives on wax-oil dispersions.

Spectrophotometry of thin films of light absorbing particles (2017)
Journal Article
Binks, B. P., Fletcher, P. D., Johnson, A. J., Marinopoulos, I., Crowther, J. M., & Thompson, M. A. (2017). Spectrophotometry of thin films of light absorbing particles. Langmuir : the ACS journal of surfaces and colloids, 33(15), 3720-3730. https://doi.org/10.1021/acs.langmuir.6b04443

Thin films of dispersions of light absorbing solid particles or emulsions containing a light absorbing solute all have a non-uniform distribution of light absorbing species throughout the sample volume. This results in non-uniform light absorption ov... Read More about Spectrophotometry of thin films of light absorbing particles.

Evaporation of particle-stabilised emulsion sunscreen films (2016)
Journal Article
Binks, B. P., Fletcher, P. D., Johnson, A. J., Marinopoulos, I., Crowther, J. M., & Thompson, M. A. (2016). Evaporation of particle-stabilised emulsion sunscreen films. ACS Applied Materials & Interfaces, 8(33), 21201-21213. https://doi.org/10.1021/acsami.6b06310

We recently showed (Binks et al., ACS Appl. Mater. Interfaces, 2016, DOI: 10.1021/acsami.6b02696) how evaporation of sunscreen films consisting of solutions of molecular UV filters leads to loss of UV light absorption and derived sun protection facto... Read More about Evaporation of particle-stabilised emulsion sunscreen films.

Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered (2016)
Journal Article
Fletcher, P. D. I., Clarke, A., Savory, L. D., & Howe, A. M. (2016). Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered. Energy and Fuels, 30(6), 4767-4780. https://doi.org/10.1021/acs.energyfuels.6b00797

© 2016 American Chemical Society. The main aim of this work is to establish how the fraction of oil recovered from an oil-filled calcite powder packed column by injection of aqueous surfactant solution depends on the phase behavior and surface chemic... Read More about Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered.

Evaporation of Sunscreen Films: How the UV Protection Properties Change (2016)
Journal Article
Binks, B. P., Brown, J., Fletcher, P. D., Johnson, A. J., Marinopoulos, I., Crowther, J. M., & Thompson, M. A. (2016). Evaporation of Sunscreen Films: How the UV Protection Properties Change. ACS Applied Materials & Interfaces, 8(21), 13270-13281. https://doi.org/10.1021/acsami.6b02696

© 2016 American Chemical Society. We have investigated the evaporation of thin sunscreen films and how the light absorption and the derived sun protection factor (SPF) change. For films consisting of solutions of common UV filters in propylene glycol... Read More about Evaporation of Sunscreen Films: How the UV Protection Properties Change.

A model study of enhanced oil recovery by flooding with aqueous surfactant solution and comparison with theory (2015)
Journal Article
Fletcher, P. D. I., Savory, L. D., Woods, F., Clarke, A., & Howe, A. M. (2015). A model study of enhanced oil recovery by flooding with aqueous surfactant solution and comparison with theory. Langmuir : the ACS journal of surfaces and colloids, 31(10), 3076-3085. https://doi.org/10.1021/la5049612

With the aim of elucidating the details of enhanced oil recovery by surfactant solution flooding, we have determined the detailed behavior of model systems consisting of a packed column of calcium carbonate particles as the porous rock, n-decane as t... Read More about A model study of enhanced oil recovery by flooding with aqueous surfactant solution and comparison with theory.

ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method (2015)
Journal Article
Ghasdian, N., Buzza, D. M. A., Fletcher, P. D. I., & Georgiou, T. K. (2015). ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method. Macromolecular rapid communications, 36(6), 528-532. https://doi.org/10.1002/marc.201400621

Well-defined ABC triblock copolymers based on two hydrophilic blocks, A and C, and a hydrophobic block B are synthesized and their self-assembly behaviour is investigated. Interestingly, at the same solvent concentration, pH, and temperature, differe... Read More about ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method.

How polymer additives reduce the pour point of hydrocarbon solvents containing wax crystals (2015)
Journal Article
Binks, B. P., Fletcher, P. D. I., Roberts, N. A., Dunkerley, J., Greenfield, H., Mastrangelo, A., & Trickett, K. (2015). How polymer additives reduce the pour point of hydrocarbon solvents containing wax crystals. Physical chemistry chemical physics : PCCP, 17(6), 4107-4117. https://doi.org/10.1039/c4cp04329d

We have investigated how four different pour point depressant (PPD) polymers affect the pour point transition in mixtures of a single pure wax in a solvent. We used either n-eicosane (C20), CH3(CH2)18CH3, n-tetracosane (C24), CH3(CH2)22CH3 or n-hexat... Read More about How polymer additives reduce the pour point of hydrocarbon solvents containing wax crystals.

Water-in-water emulsions based on incompatible polymers and stabilized by triblock copolymers-templated polymersomes (2013)
Journal Article
Buzza, D. M. A., Fletcher, P. D. I., Georgiou, T. K., & Ghasdian, N. (2013). Water-in-water emulsions based on incompatible polymers and stabilized by triblock copolymers-templated polymersomes. Langmuir : the ACS journal of surfaces and colloids, 29(48), 14804-14814. https://doi.org/10.1021/la403356j

Aqueous solutions containing a mixture of polyethylene glycol (PEG) and dextran homopolymers form an aqueous two-phase system which can be emulsified to give a water-in-water emulsion. We show how these emulsions can be stabilized using triblock poly... Read More about Water-in-water emulsions based on incompatible polymers and stabilized by triblock copolymers-templated polymersomes.

The removal of thermally aged films of triacylglycerides by surfactant solutions (2013)
Journal Article
Dunstan, T. S., & Fletcher, P. D. I. (2014). The removal of thermally aged films of triacylglycerides by surfactant solutions. Journal of surfactants and detergents, 17(5), 899-910. https://doi.org/10.1007/s11743-013-1514-9

Thermal ageing of triacylglycerides (TAG) at high temperatures produces films which resist removal using aqueous surfactant solutions. We used a mass loss method to investigate the removal of thermally aged TAG films from hard surfaces using aqueous... Read More about The removal of thermally aged films of triacylglycerides by surfactant solutions.

How membrane permeation is affected by donor delivery solvent (2012)
Journal Article
Binks, B. P., Fletcher, P. D., Johnson, A. J., & Elliott, R. P. (2012). How membrane permeation is affected by donor delivery solvent. Physical chemistry chemical physics : PCCP, 14(44), 15525-15538. https://doi.org/10.1039/c2cp42747h

We investigate theoretically and experimentally how the rate and extent of membrane permeation is affected by switching the donor delivery solvent from water to squalane for different permeants and membranes. In a model based on rate-limiting membran... Read More about How membrane permeation is affected by donor delivery solvent.

High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization (2011)
Journal Article
Dunstan, T. S., Fletcher, P. D., & Mashinchi, S. (2012). High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization. Langmuir : the ACS journal of surfaces and colloids, 28(1), 339-349. https://doi.org/10.1021/la204104m

We have investigated the formation, drop sizes, and stability of emulsions prepared by hand shaking in a closed vessel in which the emulsion is in contact with a single type of surface during its formation. The emulsions undergo catastrophic phase in... Read More about High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization.

Controlled silanization of silica nanoparticles to stabilize foams, climbing films, and liquid marbles (2011)
Journal Article
Fletcher, P. D. I., & Holt, B. L. (2011). Controlled silanization of silica nanoparticles to stabilize foams, climbing films, and liquid marbles. Langmuir : the ACS journal of surfaces and colloids, 27(21), 12869-12876. https://doi.org/10.1021/la2028725

We describe a method for the synthesis of multigram amounts of silica nanoparticles which are controllably hydrophobized to different extents using a room temperature vapor phase silanization process. The extent of hydrophobization of the particles c... Read More about Controlled silanization of silica nanoparticles to stabilize foams, climbing films, and liquid marbles.

Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures (2011)
Journal Article
Binks, B. P., Fletcher, P. D., Thompson, M. A., & Elliott, R. P. (2011). Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures. Colloids and surfaces. A, Physicochemical and engineering aspects, 390(1-3), 67-73. https://doi.org/10.1016/j.colsurfa.2011.09.005

We have investigated the effects of addition of various diols on the properties of water–paraffin emulsions stabilised by non-ionic surfactants. Diols do not partition to the oil phase of these emulsions to any significant extent. Diol addition cause... Read More about Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures.

Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths (2011)
Journal Article
He, P., Haswell, S. J., Fletcher, P. D., Kelly, S. M., & Mansfield, A. (2011). Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths. Beilstein Journal of Organic Chemistry, 7, 1150-1157. https://doi.org/10.3762/bjoc.7.133

A product-scalable, catalytically mediated flow system has been developed to perform Suzuki-Miyaura reactions under a microwave heating regime, in which the volumetric throughput of a Pd-supported silica monolith can be used to increase the quantity... Read More about Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths.

Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions (2011)
Journal Article
Dunstan, T. S., & Fletcher, P. D. I. (2011). Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions. Langmuir : the ACS journal of surfaces and colloids, 27(7), 3409-3415. https://doi.org/10.1021/la200058d

We have compartmentalised aqueous reagents and indicator species within the micron-sized water droplets of mixed high internal phase emulsions (HIPEs). Mass transport of the reagents across the micron-thickness oil films separating the water droplets... Read More about Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions.

The fate of oilfield corrosion inhibitors in multiphase systems (2010)
Presentation / Conference Contribution
Horsup, D. I., Clark, J. C., Binks, B. P., Fletcher, P. D. I., & Hicks, J. T. The fate of oilfield corrosion inhibitors in multiphase systems

Corrosion inhibitors have been used for many years to protect oil and gas pipelines, The application of small quantifies of an inhibitor to production fluids is often one of the most cost-effective methods for, imparting corrosion protection in a sys... Read More about The fate of oilfield corrosion inhibitors in multiphase systems.

Quantitative prediction of the reduction of corrosion inhibitor effectiveness due to parasitic adsorption onto a competitor surface (2010)
Journal Article
Binks, B. P., Fletcher, P. D. I., Salama, I. E., Horsup, D. I., & Moore, J. A. (2011). Quantitative prediction of the reduction of corrosion inhibitor effectiveness due to parasitic adsorption onto a competitor surface. Langmuir : the ACS journal of surfaces and colloids, 27(1), 469-473. https://doi.org/10.1021/la103570e

We have investigated how the effectiveness of a corrosion inhibitor added to an aqueous solution to suppress the corrosion rate of steel is reduced by the addition of sand. The equilibrium adsorption isotherms of the inhibitor with respect to both th... Read More about Quantitative prediction of the reduction of corrosion inhibitor effectiveness due to parasitic adsorption onto a competitor surface.

Selective retardation of perfume oil evaporation from oil-in-water emulsions stabilized by either surfactant or nanoparticles (2010)
Journal Article
Binks, B. P., Fletcher, P. D., Holt, B. L., Beaussoubre, P., & Wong, K. (2010). Selective retardation of perfume oil evaporation from oil-in-water emulsions stabilized by either surfactant or nanoparticles. Langmuir : the ACS journal of surfaces and colloids, 26(23), 18024-18030. https://doi.org/10.1021/la103700g

We have used dynamic headspace analysis to investigate the evaporation rates of perfume oils from stirred oil-in-water emulsions into a flowing gas stream. We compare the behavior of an oil of low water solubility (limonene) and one of high water sol... Read More about Selective retardation of perfume oil evaporation from oil-in-water emulsions stabilized by either surfactant or nanoparticles.

Phase inversion of particle-stabilised perfume oil-water emulsions: experiment and theory (2010)
Journal Article
Binks, B. P., Fletcher, P. D. I., Holt, B. L., Beaussoubre, P., & Wong, K. (2010). Phase inversion of particle-stabilised perfume oil-water emulsions: experiment and theory. Physical chemistry chemical physics : PCCP, 12(38), 11954-11966. https://doi.org/10.1039/c0cp00558d

Phase inversion of fumed silica particle-stabilised emulsions of water and perfume oil can be effected in three ways. The transitional inversion from water-in-oil (w/o) to oil-in-water (o/w) occurs upon increasing the particle hydrophilicity for 9 oi... Read More about Phase inversion of particle-stabilised perfume oil-water emulsions: experiment and theory.