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Updated: Jun 28, 2026
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Double Emulsion Generation Using a Polydimethylsiloxane (PDMS) Co-axial Flow Focus Device
Published on: December 25, 2015
A narrow bicontinuous microemulsion domain in mixed polymeric silicone systems
Suraj Chandra Sharma1, Koji Tsuchiya, Kenichi Sakai
1Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Chiba, Japan.
Journal of Oleo Science
|November 13, 2008
Summary
Researchers created a stable, viscous bicontinuous microemulsion using specific surfactants and polymers. This formulation was analyzed using phase diagrams, rheometry, and freeze-fracture transmission electron microscopy (FF-TEM) for detailed characterization.
Area of Science:
- Colloid and Surface Science
- Materials Science
- Physical Chemistry
Background:
- Microemulsions are thermodynamically stable systems with potential applications in various industries.
- Bicontinuous microemulsions, characterized by interconnected water and oil domains, offer unique properties for formulation and delivery.
Purpose of the Study:
- To prepare and characterize a viscous bicontinuous microemulsion system.
- To explore the phase behavior of the formulated system.
- To investigate the structural and rheological properties of the microemulsion.
Main Methods:
- Preparation of a microemulsion system using water, surfactants (POE-GIS, PEPTME, POE/POP-PDMS, OA), and DMPS.
- Construction of a pseudoternary phase diagram to identify microemulsion regions.
- Rheometry to assess the viscous properties.
- Freeze-fracture transmission electron microscopy (FF-TEM) for structural analysis.
Main Results:
- A stable bicontinuous microemulsion phase was successfully prepared.
- The phase diagram delineated the conditions for microemulsion formation.
- Rheological measurements indicated a viscous nature.
- FF-TEM provided visual evidence of the bicontinuous structure.
Conclusions:
- The study successfully demonstrates the formation and characterization of a viscous bicontinuous microemulsion.
- The combination of rheometry and FF-TEM is effective for analyzing such complex fluid systems.
- This formulation holds potential for applications requiring stable, viscous microemulsions.
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