Stabilization of Colloidal Dispersions by Polymer Adsorption |
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Page 78
... enthalpy changes and hence are incompletely formulated in general . Possibly , they may apply to some cases in which the dispersion medium is an athermal solvent for the polymer chains . Fischer [ 218 ] was the first to point out the ...
... enthalpy changes and hence are incompletely formulated in general . Possibly , they may apply to some cases in which the dispersion medium is an athermal solvent for the polymer chains . Fischer [ 218 ] was the first to point out the ...
Page 81
... enthalpy parameter , ре are segment densities of volume elements of adsorbed layers V1 and V V is the size of cell units employed for the k l ' lattice model , and V1 is the molecular volume of solvent mole- cules . 1 For two particles ...
... enthalpy parameter , ре are segment densities of volume elements of adsorbed layers V1 and V V is the size of cell units employed for the k l ' lattice model , and V1 is the molecular volume of solvent mole- cules . 1 For two particles ...
Page 103
... enthalpy change is then : CH R 2n ' CH = KT kT ǝ ( AH ) әс dc ñ ( 91 ) Comparison to other theories cannot be made since computations were not reported . One advantage of this theory is that only directly experimentally accessible ...
... enthalpy change is then : CH R 2n ' CH = KT kT ǝ ( AH ) әс dc ñ ( 91 ) Comparison to other theories cannot be made since computations were not reported . One advantage of this theory is that only directly experimentally accessible ...
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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