Nihon Reoroji Gakkaishi
Online ISSN : 2186-4586
Print ISSN : 0387-1533
ISSN-L : 0387-1533
ORIGINAL ARTICLES
Characterization of Transitional Behavior of the Facial Wash Foams via Dynamic Viscoelastic Measurements
Kenji OhmuraTadayasu MinamiMasaaki YanagiNaoya MoriTakeshi NakamuraYuichi Masubuchi
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2015 Volume 43 Issue 3_4 Pages 71-75

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Abstract

Transitional rheological behavior of foams due to the corruption of bubbles is important in industrial applications such as cosmetics. In this study, we characterized transitional behaviors of facial wash foams using dynamic viscoelastic measurements. We measured time development of the storage modulus and analyzed the obtained responses with respect to the multi-mode exponential decaying function. On the relaxation modulus and time, we examined the effects of the frequency and the strain amplitude of the prove strain wave. It was found that the strain amplitude and frequency affect the modulus reflecting the non-linear mechanical response of the liquid membrane and the shape relaxation of bubbles, whereas the relaxation time is insensitive to the parameters of the prove wave. We further investigated the correlations between the obtained relaxation parameters and some scores obtained in sensory assessments.

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© 2015 The Society of Rheology, Japan
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