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Artikel ; Online: Emulsification and emulsion stability: The role of the interfacial properties.

Ravera, Francesca / Dziza, Katarzyna / Santini, Eva / Cristofolini, Luigi / Liggieri, Libero

Advances in colloid and interface science

2020  Band 288, Seite(n) 102344

Abstract: In this review, we highlight and discuss the effects of interfacial properties on the major mechanisms governing the aging of emulsions: flocculation, coalescence and Ostwald ripening. The process of emulsification is also addressed, as it is well ... ...

Abstract In this review, we highlight and discuss the effects of interfacial properties on the major mechanisms governing the aging of emulsions: flocculation, coalescence and Ostwald ripening. The process of emulsification is also addressed, as it is well recognized that the adsorption properties of emulsifiers play an important role on it. The consolidated background on these phenomena is briefly summarised based on selected literature, reporting relevant findings and results, and discussing some criticalities. The typical experimental approaches adopted to investigate the above effects are also summarised, underlining in particular the role of adsorption at the droplet interface. Attention is paid to different types of surface-active species involved with emulsion production, including solid particles. The latter being of increasing interest in a wide variety of emulsions-related products and technologies in various fields. The possibility to stop the long term aging caused by Ostwald ripening in emulsions is also discussed, quantifying under which conditions it may occur in practice.
Sprache Englisch
Erscheinungsdatum 2020-12-14
Erscheinungsland Netherlands
Dokumenttyp Journal Article ; Review
ZDB-ID 210507-x
ISSN 1873-3727 ; 0001-8686
ISSN (online) 1873-3727
ISSN 0001-8686
DOI 10.1016/j.cis.2020.102344
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