Polymer FractionationManfred J. R. Cantow |
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Page 360
... calculated U12w = ( Ē12 / Ē1w ) - 1 U1zw w 1zw ' For the calculation of E , E1 ,, and U. , it is really not necessary to arrange the fractions according to increasing E1 , or to draw the average curve . One can start directly from the ...
... calculated U12w = ( Ē12 / Ē1w ) - 1 U1zw w 1zw ' For the calculation of E , E1 ,, and U. , it is really not necessary to arrange the fractions according to increasing E1 , or to draw the average curve . One can start directly from the ...
Page 397
... calculated were not satis- factory , the procedure for the successive approximation is not presented here . Knowing ... calculated using the binomial distribution . Booth and Beason [ 19 ] in their calculation have shown that the final ...
... calculated were not satis- factory , the procedure for the successive approximation is not presented here . Knowing ... calculated using the binomial distribution . Booth and Beason [ 19 ] in their calculation have shown that the final ...
Page 400
... calculated directly from these measured molecular weights . In these calculations , however , one cannot freely substitute the molecular weight determined from intrinsic viscosity for the weight average molecular weight as done in ...
... calculated directly from these measured molecular weights . In these calculations , however , one cannot freely substitute the molecular weight determined from intrinsic viscosity for the weight average molecular weight as done in ...
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 constant cross-linked crystalline cyclohexane density dependence Desreux determined differential diffusion dilute distribution curve distribution function effect elution equation equilibrium evaluation experimental Extraction Flory flow curve Giesekus gradient graft copolymer heterogeneity high molecular weight high polymers integral distribution intrinsic viscosity 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 Sci polymer solution polymerization polypropylene polystyrene polyvinyl acetate procedure ratio refractive index report of Farbenfabriken sample Section sedimentation coefficient separation shear shown in Fig solubility solvent solvent-nonsolvent Styrene technique temperature theoretical tion titration Toluene turbidity turbidity curves ultracentrifuge V₁ values vinyl acetate volume weight fraction