Stabilization of Colloidal Dispersions by Polymer Adsorption |
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Page 69
... entropic repulsive energy , V , where Ng = 2 x 1014 e = 10 Å or 20 Å , is shown in Fig . 22 . traction energy was ... entropic repulsion in these systems by applying Mackor's equation and found that entropic re- pulsion was sufficient to ...
... entropic repulsive energy , V , where Ng = 2 x 1014 e = 10 Å or 20 Å , is shown in Fig . 22 . traction energy was ... entropic repulsion in these systems by applying Mackor's equation and found that entropic re- pulsion was sufficient to ...
Page 76
... entropic re- pulsive energy in this system . Bagchi and Vold [ 221 ] later derived a theoretical equation for the entropic repulsion between two particles with adsorbed polymers which are extending into a e solvent . Their calculation ...
... entropic re- pulsive energy in this system . Bagchi and Vold [ 221 ] later derived a theoretical equation for the entropic repulsion between two particles with adsorbed polymers which are extending into a e solvent . Their calculation ...
Page 77
... entropic repulsion per unit surface area , vs , is given by = -T AS = R kT R ' X - ( KT ) in / ^ x ( x ) dx ( 49 ) where Z is the available area per molecule . The total entropic repulsive energy between two spherical particles can be ...
... entropic repulsion per unit surface area , vs , is given by = -T AS = R kT R ' X - ( KT ) in / ^ x ( x ) dx ( 49 ) where Z is the available area per molecule . The total entropic repulsive energy between two spherical particles can be ...
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Common terms and phrases
According addition adsorbed layer adsorbed polymer adsorption American Chemical Society amount of adsorption applied approach aqueous assumed attraction Bagchi barrier bridging calculated charge Chem Chemical Colloid Interfac concentration condition configurations constant curves decreases dependence derived determined discussed dispersion medium distance distribution DLVO theory double layer effect energy change entropic equation experimental extended Figure flocculation force free energy function given greater groups important increases interaction isotherm length loop measured mechanism method molecular weight Napper negative nonionic obtained occurs osmotic overlap oxide parameter particles Phys pigment plane poly polyamide polymer adsorption polymer molecules positive potential potential energy presence Redrawn with permission region relationship repulsive energy segments separation shown in Fig shows solution solvent stability studied surface tail temperature theoretical theory thickness tion unit various viscosity volume Waals