Polymer FractionationManfred J. R. Cantow |
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Page 29
... average ) / ( number average ) ratio of molecular weights . To be specific , we shall consider hypothetical systems in which there are equal numbers of two polymer species , having x values of x = x ( 1 + ao ) and XB x ( 1 ao ) . Here ...
... average ) / ( number average ) ratio of molecular weights . To be specific , we shall consider hypothetical systems in which there are equal numbers of two polymer species , having x values of x = x ( 1 + ao ) and XB x ( 1 ao ) . Here ...
Page 383
... number average molecular weight ; M , the weight average molecular weight ; and M2 , the z average molecular weight . Figure 4 shows four distribution curves with the same weight average molecular weight but different values of the ...
... number average molecular weight ; M , the weight average molecular weight ; and M2 , the z average molecular weight . Figure 4 shows four distribution curves with the same weight average molecular weight but different values of the ...
Page 525
... number average , 2 viscosity average , 3 weight average , 2 z average , 2 ( z + 1 ) average , 2 Molecular weight averages , 2-3 , 277 , 383-385 , 448 Molecular weight distributions , 400-401 calculation from two averages , 400-401 ...
... number average , 2 viscosity average , 3 weight average , 2 z average , 2 ( z + 1 ) average , 2 Molecular weight averages , 2-3 , 277 , 383-385 , 448 Molecular weight distributions , 400-401 calculation from two averages , 400-401 ...
Contents
PREFACE | 3 |
Fractionation Theory | 10 |
Fractionation Efficiency | 27 |
Copyright | |
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Common terms and phrases
according acetate addition amount applied approximation average average molecular weight calculated cell Chem chemical chromatography coefficient column components composition concentration constant containing copolymers curve dependence described determined diffusion discussed distribution curve effect efficiency elution equation equilibrium example experimental experiments Extraction flow fractionation function give given gradient higher increasing inhomogeneity initial integral light limited liquid lower Makromol material means measurements methacrylate method MICHIGAN mixture molecular weight distribution molecules Nature nonsolvent observed obtained operating parameters particles phase Phys plot polydispersity polyethylene Polymer Sci polymerization polystyrene polyvinyl possible precipitation prepared present procedure range ratio Reference relation respect sample sedimentation separation shown shows solubility solution solvent structure Styrene Table technique temperature theoretical theory tion titration turbidimetric turbidity usually values viscosity volume