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CO2-philic Low Surface Energy Surfactants for applications in Enhanced Oil Re...
In recent years, there has been an enormous interest in the study of surfactants for supercritical CO2 (scCO2). One important potential application of these materials is in... -
HC-polymer 3D-network conjugated by hydrocarbon-fluorocarbon core/shell aggre...
For the last two decades, many polymers have been tested to increase CO2 viscosity for enhanced oil recovery. Unfortunately, HC-polymers were found to be inactive for the... -
Structure-performance relationships of chemical demulsifiers
The project is to understand fundamental structure-performance relationships of chemical demulsifiers in water-in-crude oil (w/o) systems. In particular, to understand how... -
Aggregation of new silicon containing surfactants (NOT silicone surfactants)
The results from this experiment will develop alternatives to controlling surface tension through the design of 21st century surfactants (better performance at lower... -
A new way to form reversed micelles in supercritical CO2
Spherical reverse micelles have been formed previously in water-in-sc-carbon dioxide (w/c) microemulsions through the use of a special partially fluorinated hybrid surfactant3... -
Magnetic vesicles: structure and composition
This proposal aims to explore composition behaviour of vesicles formed by aqueous mixtures of magnetically active cationic liquid surfactants (MILSs, Figure 3) with the... -
How do demulsifiers work? A SANS study of model oil-water interfaces.
The project is to understand fundamental structure-performance relationships of chemical demulsifiers in water-in-crude oil (w/o) systems. In particular, to understand how... -
CO2 foams stabilized by W/CO2 interfacially active hydrocarbon surfactants an...
CO2 foams can be formed in water/carbon dioxide (W/CO2) mixtures with the aid of W/CO2 interfacially active hydrocarbon surfactants and surface treated silica nanoparticles... -
Micellization in mixtures of surfactants used in fire-fighting foams
The aim is to probe the mixed micellar compositions of three common industrial fluorotelomer surfactants used in fire-fighting foam formulations (Figure 1) using contrast... -
Worm-like reversed micelles with a CO2-philic surfactant
Hydrotropes (Figure 3 A-C) are known viscosifying agents with surfactants in organic solvents1 and interestingly now in supercritical CO2 (scCO2)5. The mechanism is... -
Fire-fighting surfactants: aggregation and micellar composition
The aim is to probe micellar structures of three common industrial fluorotelomer surfactants used in fire-fighting foam formulations (Figure 1) using contrast variation SANS.... -
Adsorption of surfactants used in fire-fighting foams
The aim is to use Neutron Reflectivity (NR) to gain essential information on adsorption properties of practical fluorotelomer surfactants used in fire-fighting foam formulations... -
Micelles of highly branched surfactants at the design limit
Results from this experiment will help develop to design 21st century surfactants (better performance with lower environmental consequences) by gaining essential information on... -
Probing the viability of water-in-CO2 microemulsions with Headgroup-free amph...
Recent SANS studies of an unusual headgroup-free surfactant (Nohead FC6-HC4) produced data that implied the formation of W/CO2 microemulsions (MEs) at a particular pressure (P)... -
Optimising graphene-philic surfactants as effective stabilizer for graphene p...
Graphene has been touted as a material of everything, but for all its promise it does have some drawbacks, especially in its poor dispersibility and instability in water (and... -
Structure in "Microemulsions behaving badly"
An unusual set of systems, displaying key characteristics of microemulsions have been discovered using highly branched chain anionic surfactant stabilizers (Figure 1).... -
Optimising chemical structure of CO2-philic hybrid surfactants for stabilisin...
The proposal aims to explore water-in-CO2 (w/c) microemulsions with very promising hybridCO2-philic surfactants. The surfactants have been systematically synthesised... -
Aggregation of random co-polymers
This proposal builds upon the successful study of a cationic copolymer capable of forming polymer micellar-like aggregates, simply by reducing pH (D33 at ILL 9-12-433 see... -
Surfactants in the mirror: aggregation of very low surface tension surfactants
The results from this experiment will develop alternatives to controlling surface tension through the design of 21st century surfactants (better performance at lower... -
Worm-like reversed micelles with a CO2-philic surfactant
Hydrotropes (Figure 3 A-C) are known viscosifying agents with surfactants in organic solvents1 and interestingly now in supercritical CO2 (scCO2)5. The mechanism is...
