Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 122
... dipoles are preferentially aligned in the T - direction . ( Note : The normals of ( 020 ) lattice planes are at an angle of 90 ° to the dipole direction [ 100 ] in the crystal lattice of the ap - phase ) . There is a significant ...
... dipoles are preferentially aligned in the T - direction . ( Note : The normals of ( 020 ) lattice planes are at an angle of 90 ° to the dipole direction [ 100 ] in the crystal lattice of the ap - phase ) . There is a significant ...
Page 123
... dipole orientation dur- ing poling the dipole axes of the ap - phase - crystallites have a changed orientation distribution after poling , as compared to their orientation state prior to poling . Before poling the a - axes of the a ...
... dipole orientation dur- ing poling the dipole axes of the ap - phase - crystallites have a changed orientation distribution after poling , as compared to their orientation state prior to poling . Before poling the a - axes of the a ...
Page 125
... dipole orientation distribution . Comparing the areas below the distribution curves it follows that there are minor changes in reorientation of the crystalline dipoles up to a poling field strength of 80 MV / m . An increase in ...
... dipole orientation distribution . Comparing the areas below the distribution curves it follows that there are minor changes in reorientation of the crystalline dipoles up to a poling field strength of 80 MV / m . An increase in ...
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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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