Rheology of arrested colloids [Elektronische Ressource] : a parameter study using novel experimental methods / Marcel Roth

Rheology of Arrested Colloids:A parameter study using novelexperimental methodsDissertationzur Erlangung des GradesDoktor rerum naturalium(Dr. rer. nat.)vorgelegt demFachbereich Physik, Mathematik und Informatik dervonMarcel Rothgeb. in Limburg/LahnMainz, 2011Dekan:1. Gutachter:2. Gutachter:3. Gutachter:4. Gutachter:5. Gutachter:D77Tag der Promotion: 14.12.2011Table of Contents1. Introduction and Motivation 11.1. Basic concepts and terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.1.1. Di usion and sedimentation . . . . . . . . . . . . . . . . . . . . . . . . . 21.1.2. Particle interactions and equilibrium phase behavior . . . . . . . . . . . 41.1.3. Arrested states: Aggregation, gelation and crowding . . . . . . . . . . . 71.2. Rheology of the dispersed state . . . . . . . . . . . . . . . . . . . . . . . . . . . 91.2.1. Constitutive relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91.2.2. Viscosity modi cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111.2.3. Non-linearity and visco-elasticity . . . . . . . . . . . . . . . . . . . . . . 121.3. Aggregated colloids in the arrested state . . . . . . . . . . . . . . . . . . . . . . 151.3.1. Glass transition and mode-coupling theory . . . . . . . . . . . . . . . . 151.3.2. Attractive glass and gelation . . . . . . . . . . . . . . . . . . . . . . . . 191.3.3. Exploring Parameters: interaction mechanisms, structure, and particleproperties . . . .