Foundations of Colloid Science, Volume 2Clarendon Press, 1987 - Colloids |
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Page 1003
... thixotropic fluid . t is the time taken between successive changes in the shear rate . The material is assumed to have a relaxation time of about 10-20 seconds and it is assumed that after each successive change of shear rate , the ...
... thixotropic fluid . t is the time taken between successive changes in the shear rate . The material is assumed to have a relaxation time of about 10-20 seconds and it is assumed that after each successive change of shear rate , the ...
Page 1004
Robert J. Hunter. Shear stress ( / ) ( Positive ) thixotropic fluid Negative thixotropic fluid Shear rate ( y ) FIG . 18.3.2 . Hysteresis loops for thixotropic fluids ( both positive and negative ) . rapid shearing can induce ...
Robert J. Hunter. Shear stress ( / ) ( Positive ) thixotropic fluid Negative thixotropic fluid Shear rate ( y ) FIG . 18.3.2 . Hysteresis loops for thixotropic fluids ( both positive and negative ) . rapid shearing can induce ...
Page 1047
... thixotropic material . For the heavy thixotropic mineral oil used in their studies they found k1 = 1.21 × 10-14 s ̄1 and k2 = 0.94 × 10 - 3 s - 1 so that the ' equilibrium constant ' for eqn ( 18.10.18 ) , K = k1 / k2 = 1.29 × 10-11 ...
... thixotropic material . For the heavy thixotropic mineral oil used in their studies they found k1 = 1.21 × 10-14 s ̄1 and k2 = 0.94 × 10 - 3 s - 1 so that the ' equilibrium constant ' for eqn ( 18.10.18 ) , K = k1 / k2 = 1.29 × 10-11 ...
Contents
Contents of Volume I ix | 675 |
ADSORPTION FROM SOLUTION | 709 |
CHARACTERIZATION OF COLLOIDAL DISPERSIONS 1 | 710 |
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adsorbed adsorption approximation assumed behaviour bulk C-potential calculated Chapter Chem co-surfactant coagulation coalescence Colloid interface Sci colloidal dispersions compare with eqn component constant corresponding counterions diffuse dilute double layer droplets effect electrical electrokinetic electrolyte electrolyte concentration electrostatic emulsion equilibrium Establish eqn estimate Exercise experimental Faraday ferrofluid field film flow fluid force free energy given hard sphere head group Hunter hydrophilic increases interaction K₁ latex liquid measured micelles microemulsion molecules neutron neutron scattering Newtonian fluid non-ionic surfactant Note obtained occur Ottewill Overbeek parameters particles phase Phys Poisson-Boltzmann equation polymer potential potential determining ions pressure procedure pseudoplastic radius region repulsion result scattering shear rate shear stress shown in Fig solution specific adsorption spherical stability structure surface charge surfactant suspension temperature thermodynamic thin thixotropic values velocity visco-elastic viscometer viscosity volume fraction Waals zero