University of California

Michael M Fryd

Thomas G Mason

The present invention is directed to emulsions with a plurality of droplets dispersed in a continuous liquid medium. These droplets can contain at least a first droplet liquid and a second droplet liquid and can have an ensemble-average maximal spatial dimension that is less than 1 micrometer. The invention includes preparation, uses and compositions containing emulsions. Solute materials can also be dissolved in the droplet liquids.

Multicomponent, internally structured nanoemulsions and methods of production

A method of producing an emulsion includes preparing a droplet solution comprising first and second molecular species, the droplet solution being in a fluid phase, wherein the first molecular species is soluble in the second molecular species; forming a plurality of droplets from the droplet solution in a bulk fluid to create a first emulsion, the plurality of droplets having a first ensemble average radius in the bulk fluid, wherein the first molecular species of the droplet solution is at least partially soluble in the bulk fluid and the droplet solution is at least partially immiscible in the bulk fluid; and allowing molecules of the first molecular species to migrate from the plurality of fluid droplets to the bulk fluid due to a higher concentration of the first molecular species in the droplet solution than the bulk fluid to result in the plurality of droplets having a second ensemble average radius that is smaller than the first ensemble average radius. An emulsion includes a bulk fluid and a plurality of droplets dispersed in the bulk fluid. The plurality of droplets have an ensemble average radius less than about 25 nm and greater than about 5 nm.

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Los Angeles, CA, United States of America

Michael M Fryd