Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 75
... temperature dependence of T2eff shows a pronounced minimum at T = -25 ° C and a second one , weekly indicated at T = 90 ° C . The former should be due to the glass transition , the latter may be explained by a hindered rotation of ...
... temperature dependence of T2eff shows a pronounced minimum at T = -25 ° C and a second one , weekly indicated at T = 90 ° C . The former should be due to the glass transition , the latter may be explained by a hindered rotation of ...
Page 99
... temperature . If electric field is applied during polycondensation process , the final glassy state becomes ... dependence of equilibrium spectra of relaxation times . Assuming equilibrium state as initial condition of experi- ment then , ...
... temperature . If electric field is applied during polycondensation process , the final glassy state becomes ... dependence of equilibrium spectra of relaxation times . Assuming equilibrium state as initial condition of experi- ment then , ...
Page 176
... temperature dependence then that of the terminal one . The corresponding VFTH parame- ters of the steady - state viscosity are no = 3.46 · 10-3 Pas , B = 1325 K and T。= 176 K. Based on the coupling model an explanation of the different ...
... temperature dependence then that of the terminal one . The corresponding VFTH parame- ters of the steady - state viscosity are no = 3.46 · 10-3 Pas , B = 1325 K and T。= 176 K. Based on the coupling model an explanation of the different ...
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