Polymer FractionationManfred J. R. Cantow |
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Page 131
... cross - linked polymer chains which are themselves more or less aggregated into strands with random joinings . Electron micrographs of heavily cross - linked gel sections show that the " pores " are not tubular passages , but are merely ...
... cross - linked polymer chains which are themselves more or less aggregated into strands with random joinings . Electron micrographs of heavily cross - linked gel sections show that the " pores " are not tubular passages , but are merely ...
Page 147
... cross - linked gels of high porosity . The permeability of a heavily cross - linked gel is built into it by the diluent which must be present during cross - linking . If the diluent is well matched to the gel substance , increasing the ...
... cross - linked gels of high porosity . The permeability of a heavily cross - linked gel is built into it by the diluent which must be present during cross - linking . If the diluent is well matched to the gel substance , increasing the ...
Page 150
... cross - linked with epichlorohydrin ( ECH ) in the presence of NaOH . The cross - linking was first done in bulk and later in beads . The most porous samples , G - 100 and G - 200 , are rather soft and can only be used in bead form ...
... cross - linked with epichlorohydrin ( ECH ) in the presence of NaOH . The cross - linking was first done in bulk and later in beads . The most porous samples , G - 100 and G - 200 , are rather soft and can only be used in bead form ...
Contents
PREFACE | 3 |
Fractionation Theory | 10 |
Fractionation Efficiency | 27 |
Copyright | |
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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