Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 11
... coefficient ) . Component C depends on different series of modes . The block in the middle of a chain is affected by ... coefficient of a Kuhn - chain segment ; N , number of segments of the primitive path ; a , root mean square length ...
... coefficient ) . Component C depends on different series of modes . The block in the middle of a chain is affected by ... coefficient of a Kuhn - chain segment ; N , number of segments of the primitive path ; a , root mean square length ...
Page 48
... coefficients except C66 . The coefficient C33 is within the smectic phase at room temperature more than twice as large as C11 , in- dicating a pronounced increase of the longitudinal elastic stiffness along the preferential orientation ...
... coefficients except C66 . The coefficient C33 is within the smectic phase at room temperature more than twice as large as C11 , in- dicating a pronounced increase of the longitudinal elastic stiffness along the preferential orientation ...
Page 229
... coefficients are correspondingly equal to 1.21.10- and 2.9.10-4K - 1 below and above this temperature . Both values of the coefficient are close to those usual- ly observed for most polymers in glass and rubbery states ; consequently ...
... coefficients are correspondingly equal to 1.21.10- and 2.9.10-4K - 1 below and above this temperature . Both values of the coefficient are close to those usual- ly observed for most polymers in glass and rubbery states ; consequently ...
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