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Título

Highly concentrated (gel) emulsions, versatile reaction media

AutorSolans, Conxita; Esquena, Jordi; Azemar Sazatornil, Nuria
Palabras claveHighly concentrated emulsion
High internal phase ratio emulsion
Gel emulsion
Solid foam
Aerogel
Macro/mesoporous inorganic oxide
Amino acid surfactant
Enzyme
α-Chymotrypsin
Aldolase
Fecha de publicación21-may-2003
EditorElsevier
CitaciónCurrent Opinion in Colloid and Interface Science 8(2): 156-163 (2003)
ResumenHighly concentrated (gel) emulsions are characterised by dispersed phase volume fractions exceeding 0.74, the critical value for the most compact packing of monodispersed undistorted spheres. Their structure consists of polyhedral droplets separated by thin films of continuous phase, a structure resembling gas–liquid foams. Their rheological properties vary from elastic to viscoelastic having a gel appearance. One of the most promising applications is their use as reaction media. The recent advances in the preparation of low-density polymeric materials (solid foams, aerogels) are reviewed and new applications are described. These include the preparation of dual meso/macroporous inorganic oxide materials and the use of gel emulsions as alternative to conventional solvent media in chemical and enzyme-catalysed reactions.
Descripción8 pages, 5 figures, 1 table.-- Printed version published Jun 2003.
Versión del editorhttp://dx.doi.org/10.1016/S1359-0294(03)00021-9
URIhttp://hdl.handle.net/10261/20911
DOI10.1016/S1359-0294(03)00021-9
ISSN1359-0294 (Print)
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