Polymer Motion in Dense Systems: Proceedings of the Workshop, Grenoble, France, September 23-25, 1987Dieter Richter |
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Page 56
... quasielastic broadenings . Within this model , the temperature dependence of the observed spectra is taken into account ( Fig . 2 ) . Results and discussion Spectra obtained in the low temperature phase do not exhibit any quasielastic ...
... quasielastic broadenings . Within this model , the temperature dependence of the observed spectra is taken into account ( Fig . 2 ) . Results and discussion Spectra obtained in the low temperature phase do not exhibit any quasielastic ...
Page 151
... quasielastic scattering . The resulting differences show the following features : - The missing elastic intensity reappears as inelastic intensity centered around hw = 0. In this sense it can be called quasielastic . - - Already at Tg ...
... quasielastic scattering . The resulting differences show the following features : - The missing elastic intensity reappears as inelastic intensity centered around hw = 0. In this sense it can be called quasielastic . - - Already at Tg ...
Page 152
... quasielastic contribution increases with Q and T and corresponds quantitatively to the missing elastic intensity . Due to its quasielastic character we interpret the observed inelastic scattering in terms of a fast ( 3.6 ± 0.4 ) x 10 ...
... quasielastic contribution increases with Q and T and corresponds quantitatively to the missing elastic intensity . Due to its quasielastic character we interpret the observed inelastic scattering in terms of a fast ( 3.6 ± 0.4 ) x 10 ...
Contents
Local Motions in Bulk Polymers By L Monnerie J L Viovy | 2 |
Large Scale Motion Near the Glass Transition | 18 |
SynchrotronExcited Fluorescence Study of Local Dynamics in Bulk | 37 |
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anisotropy autocorrelation function behaviour bond calculated Chem components concentration fluctuations conformational constraints copolymer correlation function corresponding crosslinking curve decay deformation density deuterated diffusion coefficient dynamic light scattering dynamics effect elastic energy entanglement equation experimental Figure fluorescence anisotropy frequency friction Fytas glass transition incoherent incoherent scattering interaction isotropic lattice length Lett light scattering linear lineshape Macromolecules matrix measurements mixture modes molecular weight molecules monomer motion neutron scattering observed obtained orientation P.G. de Gennes parameter PDMS Phys plot polybutadiene polymer blends polymer chain polymeric polystyrene predicted protonated quasielastic radius of gyration range rods rotational Rouse model rubber sample scale scattered intensity scattering experiments scattering function segments shows simulations small angle solid solution spectra spectrum spin spinodal spinodal decomposition structure factor T₁ techniques temperature dependence theoretical theory tion tube values vector viscoelastic volume