RHEOLOGICAL PROPERTIES OF BRINE/VEGETABLE OIL/POLYETHOXYLATED NON-IONIC SURFACTANTS BASED MICROEMULSION

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DOI:

https://doi.org/10.15628/holos.2018.6227

Palavras-chave:

surfactant, microemulsion, phase diagram, rheology

Resumo

This study aimed to develop microemulsion through of ternary system composed of brine (aqueous phase), vegetable oil (oil phase), and non-ionic polyethoxylated surfactants, T20 and T80. From the ternary diagrams obtained, two systems were chosen in the regions of microemulsion (Winsor IV) and, subsequently, were conducted rheological study, at different temperatures, and cloud point studies of these systems. The results showed that the microemulsion of T20/brine/vegetable oil presented thermal stability up to 53° C and microemulsions of T80/brine/vegetable oil of 72o C, that could be due a change in micelle morphology and cloud point of each microemulsion system. The rheological results indicated non-Newtonian behavior, adjusted by Herschel - Bulkley model.

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Biografia do Autor

Elayne Andrade Araújo, Universidade Federal da Paraíba

Graduanda em Engenharia Química, Departamento de Engenharia Química, Universidade Federal da Paraíba

Referências

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Publicado

11/06/2018

Como Citar

Araújo, E. A., Curbelo, F. D. da S., Garnica, A. I. C., Sousa, R. P. F., Araújo, E. de A., Braga, G. S., & Freitas, J. C. de O. (2018). RHEOLOGICAL PROPERTIES OF BRINE/VEGETABLE OIL/POLYETHOXYLATED NON-IONIC SURFACTANTS BASED MICROEMULSION. HOLOS, 2, 16–25. https://doi.org/10.15628/holos.2018.6227

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