Polymer FractionationManfred J. R. Cantow |
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Page 381
... fraction per unit change of molecular weight as the frequency function and a curve plotted in such a manner is ... weight distribution graphically is by plotting the cumulative weight fraction versus molecular weight . The cumulative ...
... fraction per unit change of molecular weight as the frequency function and a curve plotted in such a manner is ... weight distribution graphically is by plotting the cumulative weight fraction versus molecular weight . The cumulative ...
Page 387
... weight distribution is then A = Sn / Mn ( 23 ) Similarly the g index , introduced by Hosemann and Schramek [ 11 ] ... fraction divided by the total weight of the sample . The average molecular weights of the fractions are usually deter ...
... weight distribution is then A = Sn / Mn ( 23 ) Similarly the g index , introduced by Hosemann and Schramek [ 11 ] ... fraction divided by the total weight of the sample . The average molecular weights of the fractions are usually deter ...
Page 391
... weight fraction for the ith frac- tion is then corrected by subtracting from it the sum of the weight fractions having molecular weight greater than M ; in all lower fractions and adding to it the same having molecular weight lower than ...
... weight fraction for the ith frac- tion is then corrected by subtracting from it the sum of the weight fractions having molecular weight greater than M ; in all lower fractions and adding to it the same having molecular weight lower than ...
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