Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 122
... intensity of the ( 120 ) -reflex of the a - phase was as- sumed to be 100 the fiber axis M can be regarded as belonging to the ( 021 ) -lattice planes . Changes in the reflected intensity caused by the conversion of the a - phase into ...
... intensity of the ( 120 ) -reflex of the a - phase was as- sumed to be 100 the fiber axis M can be regarded as belonging to the ( 021 ) -lattice planes . Changes in the reflected intensity caused by the conversion of the a - phase into ...
Page 199
... intensity in a spectrum over twice the photon intensity . This ratio in the high temperature limit is equal to y - 1 where y = Cp / C . A remarkable effect for polymers and non - polymeric glass formers is a strong increase of LPR with ...
... intensity in a spectrum over twice the photon intensity . This ratio in the high temperature limit is equal to y - 1 where y = Cp / C . A remarkable effect for polymers and non - polymeric glass formers is a strong increase of LPR with ...
Page 205
... intensity perimental part ) and g = g ( T ) from specific volume data [ 28 ] . In Fig . 9a we show the result of our calcula- tions together with the data for OTP , which clearly in- dicates that the phonon intensity contribution ...
... intensity perimental part ) and g = g ( T ) from specific volume data [ 28 ] . In Fig . 9a we show the result of our calcula- tions together with the data for OTP , which clearly in- dicates that the phonon intensity contribution ...
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