دورية أكاديمية
Structure and Organization of Amphiphilic Mikto-Grafted Molecular Brushes at Liquid/Liquid Planar Interfaces
| العنوان: | Structure and Organization of Amphiphilic Mikto-Grafted Molecular Brushes at Liquid/Liquid Planar Interfaces |
|---|---|
| المؤلفون: | Carlos A. Salinas-Soto, Carlos Padilla-Gutierrez, Margarita Herrera-Alonso, Esteban E. Ureña-Benavides, Abelardo Ramírez-Hernández |
| سنة النشر: | 2024 |
| المجموعة: | Smithsonian Institution: Figshare |
| مصطلحات موضوعية: | Biophysics, Biochemistry, Medicine, Biotechnology, Biological Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, Physical Sciences not elsewhere classified, several structural descriptors, previous experimental observations, morphological changes occurring, low surface concentrations, important step toward, highly responsive emulsions, high surface concentrations, extensive numerical simulations, advanced bottlebrush surfactants, simulation results show, simulation results predict, polymer surface concentration, important molecular parameter, grafted molecular brushes, interfacial property relations, side chain length, short side chains, long side chains, different molecular parameters, side chain, molecular parameters, results reported, short backbones |
| الوصف: | Amphiphilic molecular bottlebrushes provide a rich platform to develop emulsifiers for highly responsive emulsions. An understanding of the effect of the different molecular parameters on the structure, organization, and interfacial properties of bottlebrushes at oil/water interfaces is an important step toward the molecular engineering of advanced bottlebrush surfactants. In this work, extensive numerical simulations were performed to investigate the role of side chain and backbone lengths, as well as polymer surface concentration, on polymer structure, interfacial tension, and the organization of amphiphilic mikto-grafted molecular brushes at planar oil/water interfaces. Simulation results show that the side chain length is an important molecular parameter: long side chains favor extended conformations at low surface concentrations and higher local orientational order at high surface concentrations. In addition, regarding thermodynamic interfacial properties, simulation results predict that bottlebrushes with long side chains and short backbones are better at reducing interfacial tension compared to polymers with long backbones and short side chains, in agreement with previous experimental observations. Several structural descriptors were computed to provide a molecular view of the morphological changes occurring as the polymer surface concentration and molecular parameters were varied. The results reported here provide structure-interfacial property relations that will be useful to have a deeper understanding of how the molecular parameters of amphiphilic mikto-grafted molecular brushes will affect their behavior at oil–water interfaces to create advanced responsive emulsions. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| العلاقة: | https://figshare.com/articles/journal_contribution/Structure_and_Organization_of_Amphiphilic_Mikto-Grafted_Molecular_Brushes_at_Liquid_Liquid_Planar_Interfaces/25395922Test |
| DOI: | 10.1021/acs.macromol.3c02278.s001 |
| الإتاحة: | https://doi.org/10.1021/acs.macromol.3c02278.s001Test |
| حقوق: | CC BY-NC 4.0 |
| رقم الانضمام: | edsbas.35FE66B3 |
| قاعدة البيانات: | BASE |
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