2001
DOI: 10.1039/b105990b
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Temperature-induced gelation of emulsions stabilised by responsive copolymers: A rheological study

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Cited by 30 publications
(36 citation statements)
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“…In the case of surfactant micelles [2], these are used as drug reservoirs and act as double barriers for controlling the delivery of the drug. For such applications, thermogelling emulsion systems are another option [3,4]. Here, the droplets represent reservoirs containing the active molecules and the polymer network ensures the stability of the system, preventing it from flowing.…”
Section: Introductionmentioning
confidence: 99%
“…In the case of surfactant micelles [2], these are used as drug reservoirs and act as double barriers for controlling the delivery of the drug. For such applications, thermogelling emulsion systems are another option [3,4]. Here, the droplets represent reservoirs containing the active molecules and the polymer network ensures the stability of the system, preventing it from flowing.…”
Section: Introductionmentioning
confidence: 99%
“…Another example involved model phospholipid bilayers, where silicone oil, a poor solvent for the lipid, was added to lipid‐stabilized water‐in‐oil emulsions to induce interdroplet adhesion . Surfactants yielding adhesive emulsions are primarily small molecules and lipids; though while less common, polymeric surfactants open new opportunities by contributing mechanical integrity and multivalent reactivity to the droplets . For example, the triblock copolymer poly(ethylene oxide)‐ b ‐poly(dimethylsiloxane)‐ b ‐poly(ethylene oxide) stabilized adhesive droplets in response to an applied voltage, while reversible emulsion gelation was obtained from copolymers of N ‐isopropyl acrylamide and poly(ethylene glycol) methacrylate in response to temperature .…”
mentioning
confidence: 99%
“…Surfactants yielding adhesive emulsions are primarily small molecules and lipids; though while less common, polymeric surfactants open new opportunities by contributing mechanical integrity and multivalent reactivity to the droplets . For example, the triblock copolymer poly(ethylene oxide)‐ b ‐poly(dimethylsiloxane)‐ b ‐poly(ethylene oxide) stabilized adhesive droplets in response to an applied voltage, while reversible emulsion gelation was obtained from copolymers of N ‐isopropyl acrylamide and poly(ethylene glycol) methacrylate in response to temperature . Heating from room temperature to 50 °C resulted in droplet gelation, coincident with the lower critical solution temperature behavior of the copolymer surfactant .…”
mentioning
confidence: 99%
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“…As a consequence, systems for which a transition from a fluid to a solid state can be reversibly obtained are particularly interesting. They include thermoresponsive systems such as thermoreversible sticky hard spheres [8,9] or emulsions [10,11], swellable microgel particles [12,13], star polymers [14,15,16], and surfactant systems [17,18,19].…”
mentioning
confidence: 99%