Abstract
The interfacial viscosities of the glycerin-olive oil interface after either ammonia or 2-amino-2-methyl-1,3-propanediol (AMP) had been added were studied by means of a viscous traction interfacial viscometer. The mine concentrations used were 0.6, 2, and 6mg. ammonia/100 ml., and 2, 6, and 20mg. AMP/100ml. The results indicate ttat more rigid films were produced at the interface as amine concentrations were increased. The original viscosities and the increased viscosities resulting from increased amine concentrations were as would be predicted from fatty acid films. However, viscosities were not so high as thought to be necessary for stability against coalescence in emulsions.
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