Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 138
... SEGMENTAL MODE 4.0 4.5 1000 / TEMPERATURE 200 5.0 Fig . 18. WLF - plot for the segmental and the normal mode of the eight - arm star - branched and the linear po- ly ( cis - 1,4 - isoprene ) . Because of graphical reasons , the ...
... SEGMENTAL MODE 4.0 4.5 1000 / TEMPERATURE 200 5.0 Fig . 18. WLF - plot for the segmental and the normal mode of the eight - arm star - branched and the linear po- ly ( cis - 1,4 - isoprene ) . Because of graphical reasons , the ...
Page 172
... segmental motions of the polymer chain , coherent subchain motion ( " Rouse " -like chain modes ) and effects of chain entanglements . The mean relaxation times of segmental motions in polybutadiene obtained from light scattering and ...
... segmental motions of the polymer chain , coherent subchain motion ( " Rouse " -like chain modes ) and effects of chain entanglements . The mean relaxation times of segmental motions in polybutadiene obtained from light scattering and ...
Page 176
... segmental motions with those obtained for the steady- state viscosity shows that the local segmental process has a different temperature dependence then that of the terminal one . The corresponding VFTH parame- ters of the steady ...
... segmental motions with those obtained for the steady- state viscosity shows that the local segmental process has a different temperature dependence then that of the terminal one . The corresponding VFTH parame- ters of the steady ...
Contents
Preface | 13 |
Dispersive and nondispersive transport processes in polymers | 45 |
Neutron spinecho investigations on the dynamics of polymer systems | 63 |
Copyright | |
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Common terms and phrases
amorphous annealing behavior calculated changes charge carrier Chem Phys coefficient component concentration copolymer correlation function crosslinked crystalline crystallization curves dangling chains defects deformation density diacetylene dielectric dielectric relaxation diffusion dipole distribution dynamic elastic energy equation equilibrium experimental experiments factor film fluctuations free volume frequency glass transition glass transition temperature glassy polymers heating increase intensity interaction layer length linear Macromolecules measured mechanism melt mesomorphic mesophase mobility modes modulus molecular mass molecular weight molecules monomer motion neutron observed obtained orientation parameter PDES peak perature phase phonon Phys Rev plastic polarization polybutadiene Polym Sci polymer polymer chains polymeric properties PTTF PVDF radicals range region relaxation processes Rouse sample scale scattering segment shear shown in Fig spatial light modulator spectra spectrum spherulite structure T₁ temperature dependence theory thermal thermodynamic tion tube ture values viscoelastic viscosity