Aging of the Linear Viscoelasticity of Glass- and Gel-forming Liquids

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...

Full description

Saved in:
Bibliographic Details
Published inarXiv.org
Main Authors Joaquín-Jaime, O, Lázaro-Lázaro, E, Peredo-Ortiz, R, Srivastava, S, Medina-Noyola, M, Elizondo-Aguilera, L F
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 11.10.2024
Subjects
Amorphous materials
First principles
Liquids
Predictions
Rheological properties
Shear viscosity
Solidification
Viscoelasticity
Online AccessGet full text

Cover

More Information
Summary: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.
ISSN:2331-8422