Polymer FractionationManfred J. R. Cantow |
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Page 108
... linear one , for example - in fractionation of polyethylene [ 18 ] . It was stated that the linear gradient gave better results than the logarithmic , although the results were somewhat ambiguous . Again from solubility relationships it ...
... linear one , for example - in fractionation of polyethylene [ 18 ] . It was stated that the linear gradient gave better results than the logarithmic , although the results were somewhat ambiguous . Again from solubility relationships it ...
Page 172
... linear detector , such as the continuous dif- ferential refractometer , the recorded elution curve may be ... linear polymers based on the assumption of a linear relation between log M and V , and on three different molecular ...
... linear detector , such as the continuous dif- ferential refractometer , the recorded elution curve may be ... linear polymers based on the assumption of a linear relation between log M and V , and on three different molecular ...
Page 270
... linear function of 1 / t , this linear region is rarely reached in sedimentation velocity experiments due to the limited cell length . However , Baldwin [ 36 ] showed that an approximately linear region useful for this procedure is ...
... linear function of 1 / t , this linear region is rarely reached in sedimentation velocity experiments due to the limited cell length . However , Baldwin [ 36 ] showed that an approximately linear region useful for this procedure is ...
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