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TENSIDE, SURFACTANTS, DETERGENTS / Deutscher Ausschuss für Grenzflächenaktive Stoffe im Verband der Chemischen Industrie e.V . Vol. 47, N° 5/2010Mention de date : 09-10/2010Paru le : 29/09/2010 |
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Ajouter le résultat dans votre panierAlkyl polyglycoside-sorbitan ester formulations for improved oil recovery / Y. Wu in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Alkyl polyglycoside-sorbitan ester formulations for improved oil recovery Type de document : texte imprimé Auteurs : Y. Wu, Auteur ; S. Iglauer, Auteur ; P. Shuler, Auteur ; Y. Tang, Auteur ; W. A. Goddard, Auteur Année de publication : 2010 Article en page(s) : p. 280-287 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alkyl polyglycosides
Esters de sorbitan
Extraction (chimie)
Huiles et graisses
Mouillage (chimie des surfaces)
Surfactants
Tension superficielleIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : We measured interfacial tensions (IFT) of aqueous alkyl polyglucoside (APG) systems formulated with sorbitan ester-type cosurfactants against n-octane. The study focused on low to ultra-low IFT systems which are relevant for enhanced oil recovery (EOR). In addition, we measured equilibrium adsorption concentrations of these surfactants and cosurfactants onto kaolinite clay, commonly found in oil reservoirs. We present one surfactant EOR laboratory flood experiment with one selected APG-sorbitan ester formulation with which we recovered 94% of initial oil in place (IOIP). Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9953
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Photosynthesis-inhibiting effects of cationic biodegradable gemini surfactants / K. Krà l'ovà in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Photosynthesis-inhibiting effects of cationic biodegradable gemini surfactants Type de document : texte imprimé Auteurs : K. Krà l'ovà , Auteur ; F. Sersen, Auteur ; F. Devinsky, Auteur ; I. Lacko, Auteur Année de publication : 2010 Article en page(s) : p. 288-295 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Surfactants Tags : 'Surfactants gemini' 'Chlorella vulgaris' 'Dérivés des diamides de l'acide succinique' 'Inhibition transport photosynthétique d'électron' Chloroplastes Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Cationic biodegradable gemini surfactants 3,8-diaza-4,7-dioxodecane-1,10-diylbis(alkyldimethylammonium bromide) (I) with R = C9H19–C18H37 inhibited photosynthetic electron transport (PET) in spinach chloroplasts and reduced chlorophyll (Chl) content in Chlorella vulgaris. The inhibitory effects of I intensively depended on the length of alkyl chain showing quasi-parabolic (Chlorella vulgaris) or bilinear (PET) course. IC50 value related to reduction of Chl content in C. vulgaris for dodecyl derivative was 0.6 × 10–6 mol dm–3 indicating its strong anti-algal effect. Using EPR spectroscopy as the site of inhibitory action of I in the photosynthetic apparatus the intermediates Z* and D* or their close surroundings were determined. As a further target of I inhibitory action the manganese cluster occurring on the donor side of photosystem II was estimated. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9954
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Synthesis and characterization of a new cationic galactolipid with carbamate for gene delivery in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Synthesis and characterization of a new cationic galactolipid with carbamate for gene delivery Type de document : texte imprimé Année de publication : 2010 Langues : Anglais (eng) Catégories : Caractérisation
Carbamates
Composés organiques -- Synthèse
Glycolipides
Surfactants
Tension superficielleIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9955
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Dynamics of formation of vesicles studied by highly time-resolved stopped-flow experiments / A. Barth in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Dynamics of formation of vesicles studied by highly time-resolved stopped-flow experiments Type de document : texte imprimé Auteurs : A. Barth, Auteur ; I. Grillo, Auteur ; M. Gradzielski, Auteur Année de publication : 2010 Article en page(s) : p. 300-306 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Surfactants Tags : Surfactant 'Méthode d'écoulement arrêté' Vésicule Microémulsion 'Additif semi polaire' 'Cinétique de formation' Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Phase behaviour and static structure of surfactant systems have been studied in much detail, but this applies much less so to their dynamic properties. Structural transitions in amphiphilic systems can be triggered by mixing different amphiphiles. Employing the stopped-flow technique we have studied the kinetics of formation of multilamellar vesicles starting from a micellar solution and a microemulsion containing a semipolar oil. This process has been investigated for various starting conditions and as a function of the charging of the amphiphilic system. The formation process is the faster the closer the starting solution is in composition to the final state and can be slowed down by the presence of ionic surfactant. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9956
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Ion extractant as cosurfactant at the water-oil interface in microemulsions / C. Bauer in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Ion extractant as cosurfactant at the water-oil interface in microemulsions Type de document : texte imprimé Auteurs : C. Bauer, Auteur ; P. Bauduin, Auteur ; O. Diat, Auteur ; T. Zemb, Auteur Année de publication : 2010 Article en page(s) : p. 307-311 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Diffusion aux petits angles
Extraction (chimie)
Ions
Microémulsions
Phosphate de tributyle
Sucre
SurfactantsIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Bicontinuous microemulsions are investigated as a model system for the specific adsorption phenomena of metal ions at the water-oil interface. Mixing an extremely hydrophobic ion extractant – tributyl phosphate (TBP) used here as co-surfactant – with an extremely hydrophilic sugar-based surfactant, we describe a new type of functionalized microemulsions that shows the classical Winsor phases, by varying the surfactant/extractant ratio. We focus on the Winsor III-type microemulsions by determining the phase diagrams whereas the microstructures were accessed by performing small angle neutron scattering experiments. Ultimately, these microemulsions may pave the way for the design of new selective ion extraction processes. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9957
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Microemulsions with mixed nonionic surfactants and isopropylmyristate / Monzer Fanun in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
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Titre : Microemulsions with mixed nonionic surfactants and isopropylmyristate Type de document : texte imprimé Auteurs : Monzer Fanun, Auteur Année de publication : 2010 Article en page(s) : p. 312-316 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Conduction électrique
Diffusion aux petits angles
Microémulsions
Myristate d'isopropyle
Surfactants
ThermodynamiqueIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Water/propylene glycol/sucrose laurate/ethoxylated mono-di-glyceride/isopropylmyristate microemulsion systems were formulated and investigated using electrical conductivity and small angle X-ray scattering. The solubilization capacity of water in oil is dependent on the surfactants mixing ratio (w/w). The free energy of solubilization (ΔGo s) values for water-in-oil microemulsions were calculated and found to decrease with water content in the water-in-oil microemulsions, they decreased with increasing ethoxylated mono-di-glyceride content in the mixed surfactants. The activation energy of conductive flow was estimated and a percolation phenomenon was revealed in these systems. Small angle X-ray scattering results indicate that the periodicity increases linearly with the increase in the water volume fraction in these microemulsions. The correlation length increases with the increase in the water volume fraction to a certain value then decreases. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9958
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Micellization and interfacial behaviour of amitriptyline-nonionic surfactant systems in aqueous medium / Kabir-ud-Din in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Micellization and interfacial behaviour of amitriptyline-nonionic surfactant systems in aqueous medium : hydrochlorure d'amitriptyline Type de document : texte imprimé Auteurs : Kabir-ud-Din, Auteur ; A. Z. Naqvi, Auteur ; A. B. Khan, Auteur Année de publication : 2010 Langues : Anglais (eng) Catégories : Chlorhydrate d'amitriptyline
Concentration micellaire critique
Interfaces (Sciences physiques)
SurfactantsTags : 'Surfactants non-ionique' Tritons Tween CMC 'Paramètres d'interaction' 'Chlorydrate d'amitriptyline' Index. décimale : 668.1 Agents tensioactifs : savons, détergents Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9968
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Ordered ferrocene-containing mesoporous materials with tailor-made pore size / T. Zhang in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Ordered ferrocene-containing mesoporous materials with tailor-made pore size Type de document : texte imprimé Auteurs : T. Zhang, Auteur ; P. Gao, Auteur ; G. G. Gao, Auteur ; H. Yang, Auteur ; Y. Zhao, Auteur Année de publication : 2010 Article en page(s) : p. 325-329 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Surfactants Tags : Surfactants Ferrocène 'Sur mesure' 'Agent de gonflement' Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Ordered ferrocene-containing mesoporous hybrid materials were prepared by the use of quaternary ammonium surfactants CnH2n+1(CH3)3NBr and organic additives during the hydrothermal synthesis process. The characterization results showed all the materials exhibit an ordered two-dimensional hexagonal pore structure with pore diameter from 2.04 nm to 4.01 nm. It was found that the pore diameter of the materials is strongly dependent on the surfactant chain length and the content of the organic additives. The fourier transform infrared spectra revealed that the organic bridge is preserved during the hydrothermal synthesis and subsequent extraction procedure. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9969
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Comparison of standards for testing electrical dishwashers or dishwashing detergents in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Comparison of standards for testing electrical dishwashers or dishwashing detergents Type de document : texte imprimé Année de publication : 2010 Langues : Anglais (eng) Catégories : Détergents
Evaluation
Lave-vaisselleIndex. décimale : 668.1 Agents tensioactifs : savons, détergents Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9970
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible Manual dishwashing – How can it be optimized? / Natalie Fuss in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)
[article]
Titre : Manual dishwashing – How can it be optimized? Type de document : texte imprimé Auteurs : Natalie Fuss, Auteur ; Rainer Stamminger, Auteur Année de publication : 2010 Article en page(s) : p. 342-348 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Surfactants Tags : Vaisselle 'Lavage manuel' Optimisation 'Consommation d'eau' Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : The focus of this paper is to show an approach on how to optimize manual dishwashing. After presenting the method developed for simulating a repeatable manual dishwashing process, the report shows the results of the experimental study exploring the main impact factors for the optimization of the water consumption by applying a mathematical regression model. These experiments demonstrate that the water changes in the main washing bath and the water changes in the rinsing bath are significantly affecting the cleaning performance of the dishes. Concentration of cleanser is found to have a negative quadratic effect, and the interaction effect of the number of water changes in the rinsing bath with the amount of detergent (respectively Concentration of cleanser) is found to be significant. As an explanation of this behaviour, it is suspected that soil particles are transferred through foam residuals, which are not washed off in the rinsing bath. Because of several restrictions, such as having limited statistics and having excluded possible impact factors, the developed model aims at depicting tendencies of the impact factor effects and may not be generalized. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9971
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Code-barres Cote Support Localisation Section Disponibilité 012471 - Périodique Bibliothèque principale Documentaires Disponible
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