Polymer FractionationManfred J. R. Cantow |
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Page 262
... dependence of most sedimenting systems application of Faxen's approximate solution to the Lamm equation is quite limited . In fact , Baldwin [ 14 ] showed that even a slight dependence of st upon c causes appreciable inaccuracy in the ...
... dependence of most sedimenting systems application of Faxen's approximate solution to the Lamm equation is quite limited . In fact , Baldwin [ 14 ] showed that even a slight dependence of st upon c causes appreciable inaccuracy in the ...
Page 324
... dependence of viscosity at smaller shear rates than a uniform sample . We may expect the polydispersity curve to manifest itself in the flow curve in such a way that the amount of shear dependence at its maximum rate should be a measure ...
... dependence of viscosity at smaller shear rates than a uniform sample . We may expect the polydispersity curve to manifest itself in the flow curve in such a way that the amount of shear dependence at its maximum rate should be a measure ...
Page 526
... dependence , 260 diffusion effects , 260 standard deviation , 266–267 Sedimentation equilibrium , 276-282 time ... dependence , 184 convectionless cells , 182 history , 181-189 molecular weight dependence , 185 multiple reservoirs , 189 ...
... dependence , 260 diffusion effects , 260 standard deviation , 266–267 Sedimentation equilibrium , 276-282 time ... dependence , 184 convectionless cells , 182 history , 181-189 molecular weight dependence , 185 multiple reservoirs , 189 ...
Contents
Polydispersity of High Polymers | 3 |
Fractionation Theory | 10 |
Fractionation Efficiency | 27 |
Copyright | |
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acetone acid Acta applied average molecular weight Benzene Biochem calculated Cantow cell cellulose centrifugal Chem chemical inhomogeneity Chim chloride chromatography Claesson column components composition constant copolymers cross-linked crystalline cyclohexane density dependence Desreux determined diffusion dilute distribution curve distribution function effect elution equation equilibrium experimental Extraction Flory flow curve Giesekus gradient graft copolymer heterogeneity high polymers increasing integral distribution investigated linear liquid low molecular weight Makromol measurements Methanol methyl methacrylate mixture molecular weight distribution molecules monomer nonsolvent obtained optical parameters particles phase Phys plot polydispersity polyethylene polymer concentration Polymer Sci polymer solution polymerization polypropylene polystyrene polyvinyl acetate polyvinyl alcohol procedure ratio refractive index report of Farbenfabriken sample Section sedimentation coefficient separation shear shown in Fig solubility solvent solvent-nonsolvent species Styrene technique temperature theoretical tion titration Toluene turbidity turbidity curves ultracentrifuge values vinyl acetate viscosity volume weight fraction