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Article Dans Une Revue Colloids and Surfaces B: Biointerfaces Année : 2021

Chitin nanocrystals as Pickering stabilizer for O/W emulsions: Effect of the oil chemical structure on the emulsion properties

Résumé

Chitin nanocrystals (ChNCs) produced by hydrochloric acid hydrolysis of chitin were used as stabilizing agent for oil-in-water (O/W) emulsification of soybean oil (SO), acrylated soybean oil (ASO), and epoxidized soybean oil (ESO). The emulsion stability, droplet size, and rheology of the emulsion were found to be significantly affected by the oil chemical structure. Strong interaction between ChNCs and the oil droplets enhanced the stabilizing efficiency of ChNCs through a Pickering effect, resulting in emulsions with low droplet size and long-term stability. The use of ChNCs as stabilizer for O/W emulsions in replacement of synthetic surfactants opens new avenues to produce emulsions for a wide variety of applications, including cosmetic products, coating, inks and adhesives.
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Dates et versions

hal-03152020 , version 1 (29-05-2021)

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Fatma Ben Cheikh, Ayman Ben Mabrouk, Albert Magnin, Jean-Luc Putaux, Sami Boufi. Chitin nanocrystals as Pickering stabilizer for O/W emulsions: Effect of the oil chemical structure on the emulsion properties. Colloids and Surfaces B: Biointerfaces, 2021, 200, pp.111604. ⟨10.1016/j.colsurfb.2021.111604⟩. ⟨hal-03152020⟩
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