Stabilization of Colloidal Dispersions by Polymer Adsorption |
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Page 67
... Hesselink [ 270 ] and Hesselink , Vrij , and Overbeek [ 217 ] described this en- tropic effect as the volume restriction effect . In contrast , the osmotic repulsion theory assumes that the adsorbed layers of two particles can overlap ...
... Hesselink [ 270 ] and Hesselink , Vrij , and Overbeek [ 217 ] described this en- tropic effect as the volume restriction effect . In contrast , the osmotic repulsion theory assumes that the adsorbed layers of two particles can overlap ...
Page 91
... Hesselink [ 270 , 271 ] corrected for this mistake and extended Meier's idea to loop adsorption . P ( d ) for loop adsorption is given by : +00 P ( d ) = Σ 2.2 12m d 2 exp ( -6m2 2.2 m = ∞- il il2 2 ( 75 ) where i is the number of ...
... Hesselink [ 270 , 271 ] corrected for this mistake and extended Meier's idea to loop adsorption . P ( d ) for loop adsorption is given by : +00 P ( d ) = Σ 2.2 12m d 2 exp ( -6m2 2.2 m = ∞- il il2 2 ( 75 ) where i is the number of ...
Page 93
... Hesselink were models for the case of two flat plates . Therefore , the interpenetration of adsorbed layers takes place in a more extended volume than the case of two spheres as stud- ied by Fischer , which thus gives a relatively ...
... Hesselink were models for the case of two flat plates . Therefore , the interpenetration of adsorbed layers takes place in a more extended volume than the case of two spheres as stud- ied by Fischer , which thus gives a relatively ...
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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