Silicone Polyethers as Stabilizers of Water-in-Oil Emulsions

Dimitrova, T.; Saulnier, Laurie; Verhelst, V.; Reeth, Isabelle Van

doi:10.1021/bk-2010-1053.ch013

Cited by 1 publication

(2 citation statements)

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“…As explained earlier, increasing the surfactant concentration could improve surface coverage at the oil/water interface. Dimitrova 16 studied the stability performance of silicone emulsifiers, and the result showed that the emulsifying ability of modified silicone depends on hydrophobicity of the polymer, the nature of functional groups, and MW emulsifiers. Similarly, Cornacchia 29 summarized the correlation of stability with droplet size distribution.…”

Section: Storage Stability Figures 1cmentioning

confidence: 99%

“…They are also excellent stabilizers, even at low concentrations, which has a substantial cost advantage. It was investigated that the stabilization mechanism using silicone offer not only broad formulation flexibilities including wide phase ratios, hot and cold processing, pH, and viscosity but also provide superior thermal stability with interesting electrolytes add-on profiles. , In this regard, the high-temperature stability of PMS-stabilized W/O emulsions is attractive. It was studied that PMS can reduce the Ostwald ripening via the internal dispersion system which shows excellent stability when stored at elevated temperature .…”

Section: Introductionmentioning

confidence: 99%

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Enhanced Stability of the Dispersed Phase Stabilized by Polyether-Modified Siloxane in the Double Emulsion System: Storage Stability and Rheological Investigation

Debeli

Lin

Gan

et al. 2020

Ind. Eng. Chem. Res.

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The dispersed phase of the water-in-oil-in-water emulsion system appears to be useful as a novel drug-delivery system in pharmaceuticals, food, and cosmetics applications. Until recently, achieving the storage stability of double emulsions under extreme conditions was unthinkable. Here, we prepared highly stable dispersion systems from polyether-modified siloxanes (PMS1 and PMS2) in fatty alcohol polyoxyethylene ether that stabilized outer water of double emulsions. The effects of the PMS1/PMS2 stabilizer on the stability and rheological behaviors of double emulsions were investigated. It was found that the used polymer type controlled the final double emulsion properties. Double emulsions obtained from PMS1 dispersion had lower stabilities than PMS2 dispersion that was stable for more than six months and about 20 days under 50−60 °C storage conditions. Interestingly, this double emulsion showed a dominant elastic modulus under the low shear ranges that were absent in the PMS1 double emulsion system.

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Section: Storage Stability Figures 1cmentioning

confidence: 99%