Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 85
... molecular weight matrix a clearly linear depen- dence ; the slope is close to two , which is predicted by reptation . Apparently the situation is more complex in the case of self - diffusion when diffusant and matrix molecules have the ...
... molecular weight matrix a clearly linear depen- dence ; the slope is close to two , which is predicted by reptation . Apparently the situation is more complex in the case of self - diffusion when diffusant and matrix molecules have the ...
Page 88
... molecules of different sizes in dependence on the inverse of the temperature [ 10 ] . The concentration of dye molecules is typically between 0.2 and 0.5 % , which should be a weak perturbation of the matrix polymer . In all cases , the ...
... molecules of different sizes in dependence on the inverse of the temperature [ 10 ] . The concentration of dye molecules is typically between 0.2 and 0.5 % , which should be a weak perturbation of the matrix polymer . In all cases , the ...
Page 152
... molecules is observed and this is on- ly weakly modified by the thermodynamic and hydrodynamic interaction among the macromolecules [ 4 ] . Even then macromolecules differ characteristical- ly from common colloids , since the latter are ...
... molecules is observed and this is on- ly weakly modified by the thermodynamic and hydrodynamic interaction among the macromolecules [ 4 ] . Even then macromolecules differ characteristical- ly from common colloids , since the latter are ...
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