Results 251 to 260 of about 102,754 (301)
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Structural studies on gel emulsions
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 1993Kinetically stable, optically transparent water-in-oil (W/O) high-internal-phase-ratio emulsions with a gel-like appearance have been formed in either hydrogenated or fluorinated water-non-ionic surfactant-oil systems. Systematic studies undertaken to characterize these emulsions have revealed that they form above the hydrophilic-lipophilic balance ...
Pons Pons, Ramon +5 more
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Intelligent Gels and Cryogels with Entrapped Emulsions
Langmuir, 2008Smart thermoresponsive gels and cryogels with incorporated emulsions have been synthesized and studied. The gels were obtained by three-dimensional copolymerization of N-isopropylacrylamide and N,N'-methylene-bis-acrylamide or N,N'-bis(acryloyl)cystamine in the presence of dispersion of tetradecane stabilized with sodium dodecylsulfate.
Komarova, G. +5 more
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Polysaccharide gel with multiple emulsion
Food Hydrocolloids, 2005Abstract The aim of the present work was to investigate the possibility of using a semicrystalline oil phase in W/O/W to modify the release of encapsulated hydrophilic compounds from polysaccharide gels with embedded multiple emulsions. l -Tryptophan was enclosed within the W 1 -phase of an W 1 /O/W 2 -emulsion, which itself was homogeneously ...
J WEISS, I SCHERZE, G MUSCHIOLIK
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Polymerization in gel‐like emulsions
Journal of Applied Polymer Science, 1988AbstractPolymerization of styrene in gel‐like emulsions (concentrated emulsions which have a volume fraction of monomer greater than 0.74), by using sodium dodecylsulfate as emulsifier and small amounts of water, was carried out with an oil‐soluble initiator, AIBN.
Eli Ruckenstein, Kyu‐Jun Kim
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Sound velocity determination in gel-based emulsions
Ultrasonics, 2003Sound velocity is a main parameter in non destructive characterization, closely related to the elastic properties and to the microstructure of heterogeneous materials. The accurate determination of the sound velocity using pulse-echo technique relies on the ability to reduce pulse distortion and to measure specimen dimensions with a high precision.
Jean-Jacques, Ammann, Belfor, Galaz
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Manipulation of gel emulsions by variable microchannel geometry
Lab Chip, 2009In this article we investigate the morphology and manipulation of monodisperse emulsions at high dispersed phase volume fractions (gel emulsions) in a microfluidic environment. Confined monodisperse gel emulsions self-organize into well-ordered droplet arrangements, which may be stable or metastable, depending on the geometry of the confining ...
Surenjav, E. +3 more
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Rheology of emulsions, foams and gels
Current Opinion in Colloid & Interface Science, 1997Recent advances in the area of food rheology include an increased interest in, and the successful application of, the more theoretical approaches to colloids and polymer rheology, first developed for and proven in colloid science and synthetic polymer science, to food systems.
Rajendra P Borwankar, Suzanne E Case
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Enzymatically Crosslinked Emulsion Gels Using Star-Polymer Stabilizers
Macromolecular Rapid Communications, 2016A novel type of emulsion gel based on star-polymer-stabilized emulsions is highlighted, which contains discrete hydrophobic oil and hydrophilic aqueous solution domains. Well-defined phenol-functionalized core-crosslinked star polymers are synthesized via reversible addition-fragmentation chain transfer (RAFT)-mediated dispersion polymerization and are
Kai, Ma, Zesheng, An
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Transport properties of W/O highly concentrated emulsions (gel-emulsions)
2007W/O highly concentrated emulsions formed in ternary water-nonionic surfactant-hydrocarbon systems consist of water droplets dispersed in a microemulsion phase. These emulsions show structural, rheological and optical properties that make them good candidates for the cosmetic and pharmaceutical industry as delivery systems.
R. Pons +5 more
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Self-Assembled Liquid-Crystal Gels in an Emulsion
Langmuir, 2008Self-assembled liquid-crystal (LC) gels in an emulsion (i.e., LC gel droplets dispersed in aqueous solution) were prepared and investigated for the first time. The aggregation of gelator molecules confined in the LC droplets results in the formation of circular and highly folded nanoscale fibers, in contrast to the extended ones formed in the bulk LC ...
Xia, Tong +3 more
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