Search results for: Morgan Durand

Items from 1 to 10 out of 10 results

article

Dramatic influence of fragrance alcohols and phenols on the phase inversion temperature of the Brij30/n-octane/water system

Jesús F. Ontiveros, François Bouton, Morgan Durand, Christel Pierlot, more

Colloids and Surfaces A: Physicochemical and Engineering Aspects > 2015 > 478 > Complete > 54-61

The influence of 13 linear alcohols from methanol to hexadecanol and 20 fragrance molecules on the phase inversion temperature (PIT) of the Brij30/n-octane/water emulsion system was investigated and sorted out using the hydrophilic lipophilic deviation (HLD) concept. Effect of the hydrophobic chain structure and nature of polar function is discussed. Among the various fragrance molecules, alcohols...

article

Solid‐state amorphization of linaprazan by mechanical milling and evidence of polymorphism

Jean‐Francois Willart, Morgan Durand, Lars‐Erik Briggner, Anke Marx, more

Journal of Pharmaceutical Sciences > 102 > 7 > 2214 - 2220

In this paper, we study the thermodynamic and structural changes of crystalline linaprazan (a proton pump inhibitor) upon high‐energy ball milling at room temperature. The investigations have been performed by differential scanning calorimetry and powder X‐ray diffraction. The results indicate that this drug undergoes a direct crystal‐to‐glass transformation upon milling. Moreover, upon heating, the...

article

Toward the Rationalization of Facilitated Hydrotropy: Investigation with the Ternary Dimethyl Isosorbide / Benzyl Alcohol / Water System

Morgan Durand, Alexander Stoppa, Valérie Molinier, Didier Touraud, more

Journal of Solution Chemistry > 2012 > 41 > 3 > 555-565

Solubility enhancement has been achieved by facilitated hydrotropy for the dimethyl isosorbide (DMI) / benzyl alcohol / water system. Facilitated hydrotropy has been studied via three different approaches: the solubilization in water of a hydrophobic dye, the evolution of the surface tension and dynamic light scattering, all as a function of the benzyl alcohol concentration. The facilitated hydrotropy...

article

Classification of Organic Solvents Revisited by Using the COSMO‐RS Approach

Morgan Durand, Valérie Molinier, Werner Kunz, Jean‐Marie Aubry

Chemistry – A European Journal > 17 > 18 > 5155 - 5164

A new approach for the classification of solvents is proposed, based solely on the solvent molecular structure and relying on the “COnductor‐like Screening MOdel for Real Solvents” (COSMO‐RS), in which solvents are considered in their liquid state. This approach provides an a priori classification without requiring the knowledge of any experimental data. The theoretical descriptors of the proposed...

article

Isosorbide mono- and di-alkyl ethers, a new class of sustainable coalescents for water-borne paints

Morgan Durand, Valérie Molinier, Thierry Féron, Jean-Marie Aubry

Progress in Organic Coatings > 2010 > 69 > 4 > 344-351

The performances of new biosourced solvents, the short mono- and di-alkyl isosorbide ethers have been assessed and compared with benchmark coalescents, namely Texanol and DBE-IB. Firstly, the influence of various coalescents and co-solvents on the glass transition temperature and viscosity of a styrene acrylic latex, Craymul 2423, has been determined. In a second time, application tests and MS-DWS...

article

Bitumen fluxing properties of a new class of sustainable solvents: The isosorbide di-alkyl ethers

Morgan Durand, Adrien Mouret, Valérie Molinier, Thierry Féron, more

Fuel > 2010 > 89 > 10 > 2729-2734

The performances of new bio-sourced solvents, the short chain mono- and di-alkyl isosorbide ethers, have been determined and compared to benchmark bitumen fluxes. The influences of fluxes and temperature on the Newtonian viscosity have been assessed. The various fluxes appear to impact also on the visco-elastic behaviour of paving bitumen and dimethyl isosorbide ether (DMI) exhibits good fluxing properties...

article

A QSPR Model for the Prediction of the “Fish-Tail” Temperature of C _i E ₄ /Water/Polar Hydrocarbon Oil Systems

François Bouton, Morgan Durand, Véronique Nardello-Rataj, Andras P. Borosy, more

Langmuir > 2010 > 26 > 11 > 7962 - 7970

article

Amphiphilic Properties of Hydrotropes Derived from Isosorbide: Endo / Exo Isomeric Effects and Temperature Dependence

Ying Zhu, Valérie Molinier, Morgan Durand, Aurélie Lavergne, more

Langmuir > 2009 > 25 > 23 > 13419 - 13425

article

Classification of terpene oils using the fish diagrams and the Equivalent Alkane Carbon (EACN) scale

François Bouton, Morgan Durand, Véronique Nardello-Rataj, Marie Serry, more

Colloids and Surfaces A: Physicochemical and Engineering Aspects > 2009 > 338 > 1-3 > 142-147

The phase behaviour of ternary systems based on tetraethylene glycol monoalkyl ether (C _i E ₄ ) as surfactants and a series of mono- and sesqui-terpenes as fragrance oils was investigated by resorting to the HLD (Hydrophilic–Lipophilic Deviation) concept. Each ternary system was studied by localizing the critical point (T*, C*) in the fish diagram and the terpenes were characterized...

article

Solubilizing and Hydrotropic Properties of Isosorbide Monoalkyl- and Dimethyl-Ethers

Morgan Durand, Ying Zhu, Valérie Molinier, Thierry Féron, more

Journal of Surfactants and Detergents > 2009 > 12 > 4 > 371-378

Isosorbide is a diol readily obtained from starch that can be used as a polar building block for the synthesis of derivatives ranging from solvents to surfactants: dimethyl isosorbide (DMI) is a “sustainable solvent” already on the market, used notably in cosmetic and pharmaceutical formulations; monoalkyl derivatives of isosorbide are non-ionic hydrotropes that could be potential substitutes to short-chain...

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