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Structural and dynamical investigation of gelation containing water-in-oil microemulsions

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Abstract

The gelatin (Bloom 300)/water/AOT/n-heptane system has been investigated at fixed water/AOT molar ratioR (R=31.1) as a function of the gelatin content. Several experimental techniques (densitometry, refractometry, conductometry, rheology, dielectrometry, ultrasonics, hypersonics) have been used to investigate the role played by the gelatin molecule in the observed sol-gel transition above a critical gelatin content. The results appear consistent with the hypothesis of a rigid network of gelatin-water rods coated by surfactant molecules coexisting with gelatin-free AOT reversed micelles at the gelation point.

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Authors and Affiliations

  1. Istituto di Tecniche Spettroscopiche del C.N.R., Salita Sperone 31, 98166, Messina, Italy

    F. Aliotta

  2. Dipartimento di Chimica-Fisica, Università Palermo, Via Archirafi 26, 90123, Palermo, Italy

    V. Arcoleo, G. La Manna & V. Turco Liveri

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  1. F. Aliotta
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  2. V. Arcoleo
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  3. G. La Manna
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  4. V. Turco Liveri
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Aliotta, F., Arcoleo, V., La Manna, G. et al. Structural and dynamical investigation of gelation containing water-in-oil microemulsions. Colloid Polym Sci 274, 989–994 (1996). https://doi.org/10.1007/BF00656629

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  • DOI: https://doi.org/10.1007/BF00656629

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