Introduction to Colloid and Surface Chemistry |
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Page 165
... stress . VISCOELASTICITY When a typical elastic solid is stressed it immediately deforms by an amount proportional to the applied stress and maintains a constant deformation as long as the stress remains constant , i.e. it obeys Hooke's ...
... stress . VISCOELASTICITY When a typical elastic solid is stressed it immediately deforms by an amount proportional to the applied stress and maintains a constant deformation as long as the stress remains constant , i.e. it obeys Hooke's ...
Page 166
... stress is not uniformly distributed throughout the sample , and the way in which the material behaves towards a particular apparatus Deformation 0 Creep under constant stress 1 I Recovery after Iremoval of stress Time Figure 9.7 . Creep ...
... stress is not uniformly distributed throughout the sample , and the way in which the material behaves towards a particular apparatus Deformation 0 Creep under constant stress 1 I Recovery after Iremoval of stress Time Figure 9.7 . Creep ...
Page 167
... stress ( usually a shearing stress ) to the sample and the measurement of the resulting sample deformation as a function of time . Figure 9.7 shows a typical creep and recovery curve . In stress- relaxation measurements , the sample is ...
... stress ( usually a shearing stress ) to the sample and the measurement of the resulting sample deformation as a function of time . Figure 9.7 shows a typical creep and recovery curve . In stress- relaxation measurements , the sample is ...
Contents
THE COLLOIDAL STATE | 1 |
KINETIC PROPERTIES | 15 |
OPTICAL PROPERTIES | 38 |
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour boundary Brownian capillary condensation cell charged surface chemisorption cm-ยน co-ions colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions cross-section curve cylinder decreases deflocculated deformation depends detergent dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow heat hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered lyophobic material measurements membrane method micelles mixed film molecular weight molecules monolayer monomolecular motion O/W emulsions orientated osmotic pressure physical adsorption plate polymer polymerization pores porous potential energy protein relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent stability Stern layer stress surface tension surface-active surfactant temperature theory thermal thixotropic valency vapour pressure velocity viscoelastic viscometer volume W/O emulsions Waals wetting zero zeta potential