Introduction to Colloid and Surface Chemistry |
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Page 90
... material into the substrate immediately beneath the monolayer : ( 1 ) if there is no association between the injected material and the monolayer , and AV will both remain unaltered ; ( 2 ) if the injected material adsorbs on to the ...
... material into the substrate immediately beneath the monolayer : ( 1 ) if there is no association between the injected material and the monolayer , and AV will both remain unaltered ; ( 2 ) if the injected material adsorbs on to the ...
Page 167
... material when subjected to a constant stress is , as discussed , generally time - dependent . At times of ca. 10-6 sec and less all materials , including liquids , have shear compliances ( i.e. shear / shear stress ) of ca. 10-12 to 10 ...
... material when subjected to a constant stress is , as discussed , generally time - dependent . At times of ca. 10-6 sec and less all materials , including liquids , have shear compliances ( i.e. shear / shear stress ) of ca. 10-12 to 10 ...
Page 170
... material is independent of the magni- tude of the applied stress . All materials have a linearity limit ( see Table 9.2 ) . Material Table 9.2 Linear viscoelasticity limits Stress ( dyne cm - 2 ) Strain ( % ) Elastomers ca. 107 to 108 ...
... material is independent of the magni- tude of the applied stress . All materials have a linearity limit ( see Table 9.2 ) . Material Table 9.2 Linear viscoelasticity limits Stress ( dyne cm - 2 ) Strain ( % ) Elastomers ca. 107 to 108 ...
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour Brownian calculated cell charged surface chemisorption cm-¹ cm³ coefficient colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions curve cylinder decreases deflocculated deformation depends detergent diffusion dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered material measured 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 potential gradient protein ratio relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent spherical particles 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