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Electrospray Emulsification of Wax

Andres F. Mejia1, Dawei Luo1, Manuel Marquez2, and Zhengdong Cheng1. (1) Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, (2) Arizona State University; National Institute of Standards and Technology; Los Alamos National Laboratory

Monodisperse wax emulsions were prepared by electrospraying of melt wax. The size of the emulsions was tailored by varying experimental parameters of the electrospray, such as the flow rate of the discontinuous phase, its electric conductivity, and the applied voltage. The monodispersity of the emulsions was greatly influenced by the surface tension and density of the collection liquid. We also demonstrated the fabrication of uniform wax microdisks using the phase transition of wax molecules inside these emulsions.

Web Page: che.tamu.edu/orgs/groups/Cheng/