Journal article
Dynamic forces between emulsified water drops coated with Poly-Glycerol-Poly-Ricinoleate (PGPR) in canola oil
S Mettu, C Wu, RR Dagastine
Journal of Colloid and Interface Science | ACADEMIC PRESS INC ELSEVIER SCIENCE | Published : 2018
Abstract
The dynamic collision of emulsified water drops in the presence of non-ionic surfactants plays a crucial role in many practical applications. Interaction force between water drops coated with non-ionic food grade surfactants is expected to exhibit rich dynamic behavior that is not yet explored. The collision forces between immobilized water drops in canola oil in the presence of a well-known food grade surfactant polyglycerol polyricinoleate (PGPR) are measured at concentrations well below typically used to form stable emulsions. An extension or kink, attributed to a short-range attractive interaction due to PGPR bridging between the drops, was observed in the retract portion of the force cu..
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Awarded by Australian Research Council
Funding Acknowledgements
This work was performed in part at the Melbourne Centre for Nanofabrication (MCN) in the Victorian Node of the Australian National Fabrication Facility (ANFF). This work was performed in part at the Materials Characterization and Fabrication Platform (MCFP) at the University of Melbourne and the Victorian Node of the Australian National Fabrication Facility (ANFF). We thank the Australian Research Council (ARC), The University of Melbourne and Mondelez Australia for providing funding through Industrial Transformation Research Hub (ITRH, Project ID: IH120100053) and the PFPC for providing infrastructure support.