Relaxation in PolymersM. Pietralla, W. Pechhold |
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Page 94
... heated with constant heating rate while the relaxation or TSD current J [ t , T ( t ) ] is recorded . The TSD current increases with rising temperature due to the increase of relaxation rate . When the number of relaxing dipoles is ...
... heated with constant heating rate while the relaxation or TSD current J [ t , T ( t ) ] is recorded . The TSD current increases with rising temperature due to the increase of relaxation rate . When the number of relaxing dipoles is ...
Page 96
... heating rate of 1.9 K / min after cooling with 6.9 K / min 270 290 310 T / K 330 Fig . 5. a - peaks calculated for various cooling rates but for fixed heating rate ( 1 K / s ) J / A 1010 10 270 290 0,537 K / s 0,272 0,018 310 T / K 330 ...
... heating rate of 1.9 K / min after cooling with 6.9 K / min 270 290 310 T / K 330 Fig . 5. a - peaks calculated for various cooling rates but for fixed heating rate ( 1 K / s ) J / A 1010 10 270 290 0,537 K / s 0,272 0,018 310 T / K 330 ...
Page 143
... heating ( heating rate = 20 grad · min1 ) of deformed epoxy - amine glassy networks . 1 , 2 , 3 recovery rates for polymer , deformed ( compression ) at Tdef = -85 ° up to Eirr : 1 12 % , 2 - 21 % , 3 25 % . Deformation performed under ...
... heating ( heating rate = 20 grad · min1 ) of deformed epoxy - amine glassy networks . 1 , 2 , 3 recovery rates for polymer , deformed ( compression ) at Tdef = -85 ° up to Eirr : 1 12 % , 2 - 21 % , 3 25 % . Deformation performed under ...
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