Monolayers of fatty acids. II. Stearic acid on aqueous solutions containing solutes with alcoholic functional groups

J. M. Rodríguez Pinto; J. de la Fuente Feria; C. Gómez Herrera

doi:10.3989/gya.1991.v42.i3.1248

Monolayers of fatty acids. II. Stearic acid on aqueous solutions containing solutes with alcoholic functional groups

Authors

J. M. Rodríguez Pinto Departamento de Ingeniería Química. Facultad de Química. Universidad de Sevilla
J. de la Fuente Feria Departamento de Ingeniería Química. Facultad de Química. Universidad de Sevilla
C. Gómez Herrera Departamento de Ingeniería Química. Facultad de Química. Universidad de Sevilla

DOI:

https://doi.org/10.3989/gya.1991.v42.i3.1248

Keywords:

Emulsifier, Monolayer, Stearic acid, Surface balance

Abstract

The structure and the stability of stearic acid monolayers spread on aqueous solutions with glycerol, glucose or sucrose are studied using a commercial film balance (Lauda). The experiments were carried out isothermically. Monolayers exhibit structural polymorphism depending on temperature and subphase composition. The stability of the molecules on the subphase is a function of their structure. Generally, the most stable monolayers are those with more expanded structures.

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Published

1991-06-30

How to Cite

Rodríguez Pinto JM, de la Fuente Feria J, Gómez Herrera C. Monolayers of fatty acids. II. Stearic acid on aqueous solutions containing solutes with alcoholic functional groups. Grasas aceites [Internet]. 1991Jun.30 [cited 2024Apr.18];42(3):220-9. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1248

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Issue

Vol. 42 No. 3 (1991)

Section

Research

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