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Dynamic and structural properties, cloud point of mixed micelles of oxyethylated isononylphenols
Kazan National Research Technological University, Kazan, Russia.
Kazan Federal University, Kazan, Russia.
Kazan National Research Technological University, Kazan, Russia.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-6810-1882
2019 (English)In: Journal of Dispersion Science and Technology, ISSN 0193-2691, E-ISSN 1532-2351Article in journal (Refereed) Epub ahead of print
Abstract [en]

We measured the self-diffusion coefficients of mixed micelles formed in binary mixtures of oxyethylated isononylphenols (neonols) AF9-2,3,4,6,8,9,10,12 by NMR diffusometry in aqueous 1 wt% solutions. The effective hydrodynamic radii of the micelles were calculated using the Stokes-Einstein relation. Cloud points of these solutions were determined visually and the relation between the cloud point and the composition of the mixture was suggested. Extraction of phenol from the solutions at their cloud points was also studied.

Place, publisher, year, edition, pages
Taylor & Francis, 2019.
Keywords [en]
Nonionic surfactant, oxyethylated isononylphenols, cloud point, mixed micelles, NMR, diffusion
National Category
Physical Chemistry
Research subject
Chemistry of Interfaces
Identifiers
URN: urn:nbn:se:ltu:diva-76818DOI: 10.1080/01932691.2019.1679168ISI: 000492600800001OAI: oai:DiVA.org:ltu-76818DiVA, id: diva2:1372188
Available from: 2019-11-22 Created: 2019-11-22 Last updated: 2019-11-22

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Filippov, Andrei

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