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Structure and interactions in model and real anti-reflective coatings
This proposal seeks to exploit contrast variation SANS to study a multi-component system, spanning a wide range of colloidal length scales. The multi-component system under... -
Structure in model fire-fighting foams
The aim is to probe the structure in and of foams for three common industrial fluorotelomer surfactants used in fire-fighting foam formulations using SANS. The structure of... -
Novel gels with supercritical carbon dioxide
This proposal is to probe the gel structure with High Pressure SANS (HP-SANS) using an in-line pressure cell. The ability to control the properties of supercritical CO2,... -
Micellization in H/F-Carbon surfactant mixtures used in fire-fighting foams
The aim is to probe the micellar compositions of fluorocarbon/ hydrocarbon mixtures used in commercial fire-fighting foam formulations (Figure 1) using contrast variation SANS.... -
The formation of elongated aggregates in supercritical CO2 through the mixing...
This proposal involves manipulating the curvature of aggregated polar materials in supercritical CO2 (scCO2) by tuning the mixing ratio of fluorocarbon (FC) and hydrocarbon (HC)... -
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... -
The formation of elongated aggregates in supercritical CO2 through the mixing...
This proposal involves manipulating the curvature of aggregated polar materials in supercritical CO2 (scCO2) by tuning the mixing ratio of fluorocarbon (FC) and hydrocarbon (HC)... -
New surfactants forming anisotropic micelles and microemulsions in CO2
An analogue of the popular surfactant AOT with isopropyl glycol tails (IG-AOT, Figure.1) has been recently designed as a co-surfactant for water-in-CO2 (w/c) systems: stable... -
Contrast Variation Experiments for Probing the Structure of Pickering Nanoemu...
Polymerisation-induced self-assembly is an efficient and versatile method of producing functional block copolymer spheres, worms and vesicles in a range of media (e.g. water,... -
Mixed H/F-Carbon surfactant monolayers for fire-fighting applications
The aim is to use Neutron Reflectivity (NR) to gain essential information on the adsorption properties of fluorocarbon/ hydrocarbon mixtures in commercial fire-fighting foam... -
Contrast variation using organogels with halophenols
Contrast variation Small-angle neutron scattering (CV-SANS) will be used to probe structure of novel organogels made from surfactants and p-halophenols as low molecular weight... -
Practical viscosifiers for supercritical CO2
This proposal explores headgroup-free, fluorocarbon-hydrocarbon hybrid compounds able toform viscous elongated aggregates in supercritical CO2 with the aim of improving... -
Organogels with CO2-philic surfactants
SANS will be used to probe the internal structures of organogels consisting of custom synthesized CO2-philic surfactants and p-phenol low molecular weight organogelators (LMOGs,... -
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... -
Can water-in-supercritical CO2 nanodispersions be stabilized without the aid ...
Recent SANS studies of an unusual headgroup (HG)-free, fluorocarbon (FC) surfactant (Nohead FC6-HC4) produced data that implied the formation of stable, W/CO2 nanodispersions... -
Growth kinetics of model anti-reflective coatings
It is proposed to use time-resolved SANS (TR-SANS) to elucidate growth kinetics of composite latex-silica core-shell particles. These core-shell particles form the basis... -
Structure in model fire-fighting foams
The aim is to probe the structure in and of foams for three common industrial fluorotelomer surfactants used in fire-fighting foam formulations using SANS. The structure of...
