Charge screening wormlike micelles affects extensional relaxation time and noodle formation

Rui Huang; Daniel McDowall; Henry Ng; Lisa Thomson; Youssra K. Al-Hilaly; James Doutch; Sam Burholt; Louise C. Serpell; Robert J. Poole; Dave J. Adams

doi:10.1039/D2CC03646K

Charge screening wormlike micelles affects extensional relaxation time and noodle formation†

Rui Huang,

^a Daniel McDowall,

^a Henry Ng,

^b Lisa Thomson,

^a Youssra K. Al-Hilaly,

^cd James Doutch,^e Sam Burholt,^f Louise C. Serpell,

^c Robert J. Poole^b and Dave J. Adams

*^a

Author affiliations

* Corresponding authors

^a School of Chemistry, University of Glasgow, Glasgow, UK
E-mail: dave.adams@glasgow.ac.uk

^b School of Engineering, University of Liverpool, Liverpool, UK

^c Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, UK

^d Chemistry Department, College of Science, Mustansiriyah University, Baghdad, Iraq

^e ISIS Pulsed Neutron and Muon Source, Harwell Science and Innovation Campus, Didcot, UK

^f Diamond Light Source Ltd, Harwell Science and Innovation Campus, Didcot, UK

Abstract

A functionalised dipeptide that self-assembles to form wormlike micelles at high pH can be treated as a surfactant. By varying salt concentration, the self-assembled structures and interactions between them change, resulting in solutions with very different shear and extensional viscosity. From these, gel noodles with different mechanical properties can be prepared.

Chemical Communications

Charge screening wormlike micelles affects extensional relaxation time and noodle formation†

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