Organogel Formation Rationalized by Hansen Solubility Parameters Shift of the Gelation Sphere with the Gelator Structure
| Autor: | Manuel Reche-Tamayo, Laurent Bouteiller, Pierre-Antoine Albouy, Matthieu Raynal, Benjamin Isare, Danilo Rosa Nunes, Roberto Lazzaroni, Pascale Foury-Leylekian, Emilie Ressouche, Patrick Brocorens |
|---|---|
| Přispěvatelé: | Chimie des polymères (LCP), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Parisien de Chimie Moléculaire (IPCM), Chimie Moléculaire de Paris Centre (FR 2769), Institut de Chimie du CNRS (INC)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut de Chimie du CNRS (INC)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Chimie Moléculaire de Paris Centre (FR 2769), Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des Solides (LPS), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11), University of Mons [Belgium] (UMONS), Sorbonne Université (SU) |
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Hansen solubility parameter
02 engineering and technology Hansen solubility parameters 010402 general chemistry 01 natural sciences Electrochemistry Molecule General Materials Science Crystal habit Solubility Spectroscopy Alkyl chemistry.chemical_classification ta114 Hydrogen bond Chemistry organogel [CHIM.MATE]Chemical Sciences/Material chemistry Surfaces and Interfaces 021001 nanoscience & nanotechnology Condensed Matter Physics 0104 chemical sciences Solvent Hildebrand solubility parameter crystal habit Chemical engineering 0210 nano-technology [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft] powder XRD |
| Zdroj: | Langmuir Langmuir, American Chemical Society, 2019, 35 (24), pp.7970-7977. ⟨10.1021/acs.langmuir.9b00966⟩ |
| ISSN: | 0743-7463 1520-5827 |
| DOI: | 10.1021/acs.langmuir.9b00966⟩ |
| Popis: | International audience; To rationalize how the gelation ability of a low molecular weight gelator is influenced by its molecular structure, we performed extensive solubility tests of a group of thiazole-based gelators and made use of Hansen solubility parameter formalism. We observe that the increase of a linear alkyl chain in these gelators promotes an increase of the radius of the gelation sphere as well as a gradual shift of its center to lower values of the polar (δP) and hydrogen bonding (δH) components. The molecular packing within the fibers and the crystal habit were determined by a combination of X-ray diffraction and molecular modeling. We attribute the gradual and linear shift of the gelation sphere to the fact that all of the studied gelators share the same molecular packing, so that an increasing length of the alkyl chain reduces the proportion of polar groups at the surface, resulting in a gradual increase in the contact between apolar parts of the fiber and the solvent. |
| Databáze: | OpenAIRE |
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