Polymer FractionationManfred J. R. Cantow |
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Page 126
... separation . C. APPLICATIONS OF GEL PERMEATION CHROMATOGRAPHY GPC can serve three main purposes : group separations , including separa- tions of large molecules from small ones , fractionation of polymers or oligomers , and molecular ...
... separation . C. APPLICATIONS OF GEL PERMEATION CHROMATOGRAPHY GPC can serve three main purposes : group separations , including separa- tions of large molecules from small ones , fractionation of polymers or oligomers , and molecular ...
Page 142
... separation factor . The separation factor is reflected in the relative retention of a species and is determined by Vi.ace in GPC , by solubility in liquid - liquid chromatography , etc. Column efficiency in terms of theoretical plates ...
... separation factor . The separation factor is reflected in the relative retention of a species and is determined by Vi.ace in GPC , by solubility in liquid - liquid chromatography , etc. Column efficiency in terms of theoretical plates ...
Page 143
... separations , e.g. , rather short columns will give satisfactory separations . Glueckauf [ 205 ] developed a method to calculate the column length for a desired degree of separation of two monodisperse solutes . In his model , Glueckauf ...
... separations , e.g. , rather short columns will give satisfactory separations . Glueckauf [ 205 ] developed a method to calculate the column length for a desired degree of separation of two monodisperse solutes . In his model , Glueckauf ...
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