نتایج جستجو برای: polymer gels
تعداد نتایج: 114324 فیلتر نتایج به سال:
The equilibrium structure and shear response of model polymer-clay nanocomposite gels are measured using X-ray scattering, light scattering, optical microscopy, and rheometry. The suspensions form physical gels via the "bridging" of neighboring colloidal clay platelets by the polymer, with reversible adsorption of polymer segments onto the clay surface providing a short-range attractive force. ...
We investigate the structural, dynamical, and viscoelastic properties of colloid-polymer mixtures at intermediate colloid volume fraction and varying polymer concentrations, thereby tuning the attractive interactions. Within the examined range of polymer concentrations, the samples varied from fluids to gels. In the liquid phase, an increasing correlation length of the density fluctuations when...
A series of gels were used as model foods to understand relationships among rheological properties and sensory texture. Fracture stress was the best predictor of sensory fracture force and particle breakdown, whereas a measure of the nonlinear region was a better predictor of sensory deformation. INTRODUCTION Food texture is a complex property involving a constant evaluation of the rheological ...
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