![]() Langmuir 27(7):3308–3316ĭe Folter JWJ, van Ruijven MWM, Velikov KP (2012) Oil-in-water Pickering emulsions stabilized by colloidal particles from the water-insoluble protein zein. Zhou J, Qiao X, Binks BP, Sun K, Bai M, Li Y, Liu Y (2011) Magnetic Pickering emulsions stabilized by Fe 3O 4 nanoparticles. Biomacromol 14(2):291–296Īlison L, Rühs PA, Tervoort E, Teleki A, Zanini M, Isa L, Studart AR (2016) Pickering and network stabilization of biocompatible emulsions using chitosan-modified silica nanoparticles. Langmuir 23(16):8316–8322Ĭapron I, Cathala B (2013) Surfactant-free high internal phase emulsions stabilized by cellulose nanocrystals. Langmuir 35(13):4693–4701īon SAF, Colver PJ (2007) Pickering miniemulsion polymerization using laponite clay as a stabilizer. Haney B, Chen D, Cai LH, Weitz D, Ramakrishnan S (2019) Millimeter-size pickering emulsions stabilized with janus microparticles. Xiao Z, Cao H, Jiang X, Kong XZ (2018) Pickering emulsion formation of paraffin wax in an ethanol-water mixture stabilized by primary polymer particles and wax microspheres thereof. Retrieved from Ĭhen Y, Li Z, Wang H, Pei Y, Shi Y, Wang J (2018) Visible light-controlled inversion of Pickering emulsions stabilized by functional silica microspheres. Curr Opin Colloid Interface Sci 4(6):383–401. Kralchevsky PA, Denkov ND (2001) Capillary forces and structuring in layers of colloid particles. Kralchevsky PA, Nagayama K (2000) Capillary interactions between particles bound to interfaces, liquid films and biomembranes. Wang B, Wang M, Zhang H, Sobal NS, Tong W, Gao C, Wang Y, Giersig M, Wang D, Möhwald H, Adkins SS, Gohil D, Dickson JL, Webber SE, Johnston KP, Boneva MP, Christov NC, Danov KD, Kralchevsky PA, Monteux CC et al (2007) Determining the mechanical response of particle-laden fluid interfaces using surface pressure isotherms and bulk pressure measurements of droplets. Curr Opin Colloid Interface Sci 7(1–2):21–41Ĭui M, Emrick T, Russell TP (2013) Stabilizing liquid drops in nonequilibrium shapes by the interfacial jamming of nanoparticles. Adv Colloid Interface Sci 100:503–546īinks BP (2002) Particles as surfactants-Similarities and differences. J Colloid Interface Sci 358(1):217–225Īveyard R, Binks BP, Clint JH (2003) Emulsions stabilised solely by colloidal particles. Colloids Surf 29(1):7–27Įskandar NG, Simovic S, Prestidge CA (2011) Interactions of hydrophilic silica nanoparticles and classical surfactants at non-polar oil–water interface. Menon VB, Wasan DT (1988) Characterization of oil-water interfaces containing finely divided solids with applications to the coalescence of water-in-oil emulsions: a review. Furthermore, we introduce the applications of Pickering emulsions that have recently become popular due to their distinctive rheological properties. We also categorize them into three different sections, depending on the volume fraction of the dispersed phase. In this paper, we summarize the progress in the measurement and understanding of the rheological properties of Pickering emulsions. This strongly suggests that the rheological properties of Pickering emulsions can be tuned, especially for specific applications. Furthermore, according to the internal structure, the considerably different rheological properties can be achieved, from Newtonian viscous-like response to Hookean solid-like response. Depending on the type, size, number of colloidal particles, volume fraction of the dispersed phase, and emulsification method, various Pickering emulsions with different internal structures can easily be produced. In particular, the combination of anionic and cationic particles led to smaller droplets and higher particle coverage of emulsion droplets.Pickering emulsion, which is stabilized by colloidal particles, has shown great promise in various fields due to its great stability and processibility. Binary mixtures of differently charged particles are a powerful way to control the droplet coverage and the particle loading in the emulsions. It is demonstrated that the kinetics of adsorption of the particles at the water/oil interface control the coverage and their organization at the droplet surface, rather than their interactions after adsorption. The influence of the particles’ charge on the emulsions’ properties and the synergies between the different types of particles are studied. In this article, three different types of particles (neutral, anionic and cationic) are used alone or in binary mixtures as stabilizers of Pickering emulsions. Emulsions stabilized by colloidal particles, known as Pickering emulsions, are promising in this matter. For addressing health issues and ecological concerns, the cosmetic and pharmaceutical industries are facing the challenge of designing emulsions without the use of surfactants.
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