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Autor: Raoul Zana, Martin In

Publikováno v: Journal of Dispersion Science and Technology
Journal of Dispersion Science and Technology, Taylor & Francis, 2007, 28 (1), pp.143-154. ⟨10.1080/01932690600991888⟩
Journal of Dispersion Science and Technology, Taylor & Francis, 2007, 28 (1), pp.143-154

Gemini surfactants are made up of two surfactant-like moieties connected by a spacer group. This article reviews their phase behavior, considering successively the thermotropism of pure gemini surfactants, the lyotropism in gemini surfactant/water mi

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https://doi.org/10.1080/01932690600991888

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Tetrabutylammonium Alkyl Carboxylate Surfactants in Aqueous Solution: Self-Association Behavior, Solution Nanostructure, and Comparison with Tetrabutylammonium Alkyl Sulfate Surfactants

Autor: Raoul Zana, Judith Schmidt, Yeshayahu Talmon

Publikováno v: Langmuir. 21:11628-11636

A series of long and ultralong chain tetrabutylammonium alkyl carboxylate (TBACm, TBA = tetrabutylammonium ion; Cm = carboxylate ion C(m-1)H(2)(m-1)CO(2)(-) of total carbon number m) surfactants have been obtained by direct neutralization of the fatt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8d83fb9d375d96ffe9b44954a3ccfe2
https://doi.org/10.1021/la051665n

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Fluorescence Probing Investigation of the Mechanism of Formation of MSU-type Mesoporous Silica Prepared in Fluoride Medium

Autor: Cédric Lesaint, Bénédicte Lebeau, Claire Marichal, Raoul Zana, Joël Patarin

Publikováno v: Langmuir. 21:8923-8929

The mechanism of formation of a MSU-type siliceous material from tetraethyl orthosilicate (TEOS) in the presence of the nonionic surfactant tergitol T-15-S-12, sulfuric acid, and sodium fluoride has been investigated using mainly fluorescence probing

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https://doi.org/10.1021/la0509347

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Nuclear Magnetic Resonance and Small-Angle Neutron Scattering Studies of Anionic Surfactants with Macrocounterions: Tetramethylammonium Dodecyl Sulfate

Autor: Erik Pettersson, Richard K. Heenan, Peter C. Griffiths, Raoul Zana, Peter Stilbs, Barney L. Bales, Alison Paul

Publikováno v: The Journal of Physical Chemistry B. 109:15775-15779

Micellar solutions of tetramethylammonium dodecyl sulfate have been studied to determine the degree of counterion binding. Tetramethylammonium chloride was added over a wide range of surfactant concentrations such that the total concentration of tetr

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https://doi.org/10.1021/jp050597a

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Effect of the Nature of the Counterion on the Properties of Anionic Surfactants. 4. Characterizing Micelles of Tetraalkylammonium Dodecyl Sulfate as Reaction Media

Autor: Mohamed Benrraou, Kaba Tiguida, Raoul Zana, Barney L. Bales

Publikováno v: The Journal of Physical Chemistry B. 109:7987-7997

Micelles formed in water from tetramethyl-, tetraethyl-, tetrapropyl- and tetrabutylammonium dodecyl sulfate (TMADS, TEADS, TPADS, and TBADS, respectively) are characterized as reaction media. All of the results are identical in the presence or absen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc7f86160a03941212f37323efb5292a
https://doi.org/10.1021/jp040728s

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Organized mesoporous solids: mechanism of formation and use as host materials to prepare carbon and oxide replicas

Autor: Julien Parmentier, Joël Patarin, Bénédicte Lebeau, Christobel Fowler, Cathie Vix-Guterl, Michel Soulard, Raoul Zana

Publikováno v: Comptes Rendus Chimie. 8:597-607

Since the discovery of organized mesoporous solids by Mobil Oil Co. scientists, numerous patents and papers dealing with the synthesis, mechanism of formation, properties and applications of these exciting solids have been published. In this context,

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https://doi.org/10.1016/j.crci.2004.10.001

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Effect of the Nature of the Counterion on the Properties of Anionic Surfactants. 3. Self-Association Behavior of Tetrabutylammonium Dodecyl Sulfate and Tetradecyl Sulfate: Clouding and Micellar Growth

Autor: Mohamed Benrraou, Barney L. Bales, Raoul Zana

Publikováno v: The Journal of Physical Chemistry B. 108:18195-18203

The surfactants tetrabutylammonium dodecyl sulfate (TBADS) and tetradecyl sulfate (TBATS) have been synthesized by ion-exchange, and their self-association behavior has been investigated. The solutions of these surfactants show clouding and phase sep

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28a3d562665643796670affa9c2a50a4
https://doi.org/10.1021/jp040507m

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Effect of the Nature of the Counterion on the Properties of Anionic Surfactants. 2. Aggregation Number-Based Micelle Ionization Degrees for Micelles of Tetraalkylammonium Dodecylsulfates

Autor: Barney L. Bales, Kaba Tiguida, Raoul Zana

Publikováno v: The Journal of Physical Chemistry B. 108:14948-14955

Tetramethyl-, tetraethyl-, tetrapropyl-, and tetrabutylammonium dodecylsulfate micelles in aqueous solution grow as either the surfactant or added electrolyte concentrations are increased. The variation in the aggregation number, N, of the first thre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ede8667b6d38ea6b5d503e7e13756e6b
https://doi.org/10.1021/jp040289x

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