In polymer processing, such as extrusion and injection molding, the rheological properties of polymeric materials, related to the microstructure of macromolecules, play a very important role. In filled polymer system, the extend of the dispersion, the shape and the orientation and/or arrangement of the dispersed particles add to the complexity of the rheology. In polymer/layered silicate nanocomposites, the nanometric size of the dispersed particles brings still an additional complexity due to the importance of the polymer-particle and particle-particle interactions. This work focuses on the rheology of the nano suspension of silicate layers in a viscoelastic polymer matrix. Non-equilibrium thermodynamics is employed to model its linear and nonlinear rheological behavior.

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Hassan Eslami received his undergraduate degree from University of Tehran, completed his master''s degree at Sharif University of Technology and earned his Ph.D. from Ecole Polytechnique of Montreal, all in chemical engineering. His research focuses on polymer processing and rheology.