J
Johan Sjöblom
Researcher at University of Bergen
Publications - 102
Citations - 2392
Johan Sjöblom is an academic researcher from University of Bergen. The author has contributed to research in topics: Microemulsion & Emulsion. The author has an hindex of 27, co-authored 102 publications receiving 2314 citations. Previous affiliations of Johan Sjöblom include Åbo Akademi University.
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Microemulsions — phase equilibria characterization, structures, applications and chemical reactions
TL;DR: The progress in understanding microemulsion structure on a molecular level as well as from extensive experimental studies of phase diagrams is reviewed in this article, where the major emphasis of the review is in the utilization of microemulsions as systems in chemical reactions.
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Preparation of silica particles utilizing the sol-gel and the emulsion-gel processes
TL;DR: In this article, the authors have studied the whole solution phase in the system tetraethyl orthosilicate-ethanol-aqueous ammonia and have mapped the region for monodisperse particles.
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Film forming properties of asphaltenes and resins. A comparative Langmuir– Blodgett study of crude oils from North Sea, European continent and Venezuela
M.-H. Ese,X. Yang,Johan Sjöblom +2 more
TL;DR: In this paper, asphaltenes and resins were separated from different crude oils, dissolved in different paraffinic and aromatic solvents and studied by means of Langmuir technique.
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Surfactant structure and its relation to the Krafft point, cloud point and micellization : some empirical relationships
Tiren Gu,Johan Sjöblom +1 more
TL;DR: In this article, empirical relationships between Krafft points, cloud points, CMC values and the structural units in different surfactant molecules are established for different homologues of surfactants with the same kind of counterion.
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Properties of Langmuir Surface and Interfacial Films Built up by Asphaltenes and Resins: Influence of Chemical Demulsifiers.
TL;DR: It was found that some demulsifiers of high molecular weight alter the asphaltene film on water surface in the same way as the resin fraction, i.e., increasing the compressibility of the film which results in a reduced film rigidity.