Aging of the Linear Viscoelasticity of Glass- and Gel-forming Liquids
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866929537810432000 |
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| author | Joaquín-Jaime, O. Lázaro-Lázaro, E. Peredo-Ortiz, R. Srivastava, S. Medina-Noyola, M. Elizondo-Aguilera, L. F. |
| author_facet | Joaquín-Jaime, O. Lázaro-Lázaro, E. Peredo-Ortiz, R. Srivastava, S. Medina-Noyola, M. Elizondo-Aguilera, L. F. |
| contents | We report a novel approach based on the non-equilibrium self-consistent generalized Langevin equation (NESCGLE) theory that allows for the first principles prediction of the zero-shear viscosity in glass- and- gel-forming materials. This new modulus of the NESCGLE theory facilitates the theoretical description and interpretation of experimental data concerning out-of-equilibrium rheological properties of viscous liquids during their amorphous solidification. The predictive capability of our approach is illustrated here by means of a quantitative comparison between theoretical and experimental results for the zero shear viscosity in suspensions of oligomer-tethered nanoparticles in a polymeric host, finding an almost perfect correspondence between experiments and theory. This comparison also highlights the crucial relevance of including a kinetic perspective, such as that provided by the NESCGLE theory, in the description of dynamic and viscoelastic properties of amorphous states of matter. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_08512 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Aging of the Linear Viscoelasticity of Glass- and Gel-forming Liquids Joaquín-Jaime, O. Lázaro-Lázaro, E. Peredo-Ortiz, R. Srivastava, S. Medina-Noyola, M. Elizondo-Aguilera, L. F. Soft Condensed Matter We report a novel approach based on the non-equilibrium self-consistent generalized Langevin equation (NESCGLE) theory that allows for the first principles prediction of the zero-shear viscosity in glass- and- gel-forming materials. This new modulus of the NESCGLE theory facilitates the theoretical description and interpretation of experimental data concerning out-of-equilibrium rheological properties of viscous liquids during their amorphous solidification. The predictive capability of our approach is illustrated here by means of a quantitative comparison between theoretical and experimental results for the zero shear viscosity in suspensions of oligomer-tethered nanoparticles in a polymeric host, finding an almost perfect correspondence between experiments and theory. This comparison also highlights the crucial relevance of including a kinetic perspective, such as that provided by the NESCGLE theory, in the description of dynamic and viscoelastic properties of amorphous states of matter. |
| title | Aging of the Linear Viscoelasticity of Glass- and Gel-forming Liquids |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2410.08512 |