Introduction to Colloid and Surface Chemistry |
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Page 83
... hydrocarbon chains than for stearic acid . Also , at large areas the oleic acid molecules become separated from one another , since the hydrocarbon chains tend to lie flat and independently on the surface with the hydrophilic double ...
... hydrocarbon chains than for stearic acid . Also , at large areas the oleic acid molecules become separated from one another , since the hydrocarbon chains tend to lie flat and independently on the surface with the hydrophilic double ...
Page 84
... hydrocarbon chains keep the film coherent . Factors Influencing the Physical State of Monomolecular Films As remarked previously , the physical state of a monolayer depends on the lateral cohesive forces between the constituent ...
... hydrocarbon chains keep the film coherent . Factors Influencing the Physical State of Monomolecular Films As remarked previously , the physical state of a monolayer depends on the lateral cohesive forces between the constituent ...
Page 85
... hydrocarbon chain , gives a very expanded filma3 . 5. Branched hydrocarbon chains . The nature of the substrate , particularly pH , is important when the monolayer is ionizable . When spread on alkaline sub- strates , because of the ...
... hydrocarbon chain , gives a very expanded filma3 . 5. Branched hydrocarbon chains . The nature of the substrate , particularly pH , is important when the monolayer is ionizable . When spread on alkaline sub- strates , because of the ...
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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