Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 112
... phase region to the two - phase one , below П - point there forms a heat capacity jump characterizing transi- tion of one of the phases in time from the liquid to glassy state ( Fig . 3 ) [ 3 ] . The time of half - transition in- qla.u ...
... phase region to the two - phase one , below П - point there forms a heat capacity jump characterizing transi- tion of one of the phases in time from the liquid to glassy state ( Fig . 3 ) [ 3 ] . The time of half - transition in- qla.u ...
Page 120
... phase crystallites does not show any macroscopically acting polarization since the spontaneous polarization of oppositely oriented crystallites will neutralize each other . Unlike the ẞ - phase the monoclinic a - phase ( form II ) ...
... phase crystallites does not show any macroscopically acting polarization since the spontaneous polarization of oppositely oriented crystallites will neutralize each other . Unlike the ẞ - phase the monoclinic a - phase ( form II ) ...
Page 123
... phase Crystallites of the a - phase involved in this conver- sion have a broad orientation distribution of the crystallographic a - axes to the poling field direction N. According to the changes of dipole orientation dur- ing poling the ...
... phase Crystallites of the a - phase involved in this conver- sion have a broad orientation distribution of the crystallographic a - axes to the poling field direction N. According to the changes of dipole orientation dur- ing poling the ...
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