pH/Ion Dual-Responsive Emulsion

Dual-stimuli reversible demulsification

Synergistically stabilized by a cationic surfactant and positively charged magnesium hydroxide nanosheets, enabling reversible demulsification/emulsification via pH or ion adjustment.

Zhu, Pei · Chen, Juan · Ding, Yanfen · Liu, Peng · Fan, Haijun · Yang, Mingshu

Langmuir 2024

Advantages

CTAB concentration as low as 10⁻⁵ M

MH nanosheet concentration as low as 10⁻² wt%

Responsive to both pH and ionic stimuli