Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 94
... sample is polarized at a high temperature and then cooled down to a deep temperature where the investigated polariza- tion process is frozen - in . Subsequently , the sample is short- circuited and heated with constant heating rate ...
... sample is polarized at a high temperature and then cooled down to a deep temperature where the investigated polariza- tion process is frozen - in . Subsequently , the sample is short- circuited and heated with constant heating rate ...
Page 130
... sample can be calculated : x Y * = Y * / [ ( V / V ) − 1 ] Ix Ir HIGH LOW Rr er es Zx Id Sample capacitor Generator Detector Variable Amplitude Phase Oscillator where ( 1 ) ( 2 ) Fig . 2. Scheme of the automatic low frequency bridge ...
... sample can be calculated : x Y * = Y * / [ ( V / V ) − 1 ] Ix Ir HIGH LOW Rr er es Zx Id Sample capacitor Generator Detector Variable Amplitude Phase Oscillator where ( 1 ) ( 2 ) Fig . 2. Scheme of the automatic low frequency bridge ...
Page 146
... sample with a deformation level Edef > Ɛy ( two deformation recovery peaks will appear at this sample upon heating above Tg ) and erase out the LTR peak and 4Udef by heating of the sample in the glassy state ( up to T < Tdef ) one will ...
... sample with a deformation level Edef > Ɛy ( two deformation recovery peaks will appear at this sample upon heating above Tg ) and erase out the LTR peak and 4Udef by heating of the sample in the glassy state ( up to T < Tdef ) one will ...
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