Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 188
... film structure of the polymers Ia and Ib was in- vestigated by the method of angle dependence on bire- fringence . Scale effect of amorphous polymer density Figures 1-4 demonstrate the dependence of densi- ty of amorphous polymer films ...
... film structure of the polymers Ia and Ib was in- vestigated by the method of angle dependence on bire- fringence . Scale effect of amorphous polymer density Figures 1-4 demonstrate the dependence of densi- ty of amorphous polymer films ...
Page 194
... film surface . Curves 1 and 2 represent the system of diepoxy of bisphenol A + m- phenylenediamine , the thicknesses of the films are 190 and 370 μm , respectively , curve 3 - diepoxy of bisphenol A + p- phenylenediamine , the thickness of ...
... film surface . Curves 1 and 2 represent the system of diepoxy of bisphenol A + m- phenylenediamine , the thicknesses of the films are 190 and 370 μm , respectively , curve 3 - diepoxy of bisphenol A + p- phenylenediamine , the thickness of ...
Page 230
... film : 1 ) mesomorphic film , 2 ) amorphized film , 3 ) after 6 min relaxation . Strain rate 0.0065 s1 [ 26 ] orders . At this extension ratio region stress relaxation is not observed . These facts indicate equilibrium behavior of PDES ...
... film : 1 ) mesomorphic film , 2 ) amorphized film , 3 ) after 6 min relaxation . Strain rate 0.0065 s1 [ 26 ] orders . At this extension ratio region stress relaxation is not observed . These facts indicate equilibrium behavior of PDES ...
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