Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 36
... energy contains a contribution from the interaction of the molecule with the surrounding molecules the polarization energy of a charge car- rier or the van der Waals interaction energy of an elec- tronically excited molecule ( the ...
... energy contains a contribution from the interaction of the molecule with the surrounding molecules the polarization energy of a charge car- rier or the van der Waals interaction energy of an elec- tronically excited molecule ( the ...
Page 141
... energy AU def Adef - Qdef ( 3 ) as a function of Edef ( uniaxial compression ) for a - PS . All quantities were measured in loading - unloading cycles ( shown in upper left part of the figure . ↑ loading , ↓ unloading ) in a ...
... energy AU def Adef - Qdef ( 3 ) as a function of Edef ( uniaxial compression ) for a - PS . All quantities were measured in loading - unloading cycles ( shown in upper left part of the figure . ↑ loading , ↓ unloading ) in a ...
Page 210
... energy - density change dy / dt reads [ 19 ] ỳ = ( T : Ċ ) − n Ì – 8 . ( 2 ) n is the entropy density , T is the ... energy density The simplest formulation of the free - energy density ( T , C ,, ) is obtained by defining the ...
... energy - density change dy / dt reads [ 19 ] ỳ = ( T : Ċ ) − n Ì – 8 . ( 2 ) n is the entropy density , T is the ... energy density The simplest formulation of the free - energy density ( T , C ,, ) is obtained by defining 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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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