Polymer Motion in Dense Systems: Proceedings of the Workshop, Grenoble, France, September 23-25, 1987Dieter Richter |
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Page 55
... spectra were obtained on the IN6 spectrometer at the ILL in Grenoble with two orientations of the samples ( 135 ° and 45 ° to the beam ) in order to get at 20 = 90 ° successively the momentum transfer vector parallel ( Q // ) and ...
... spectra were obtained on the IN6 spectrometer at the ILL in Grenoble with two orientations of the samples ( 135 ° and 45 ° to the beam ) in order to get at 20 = 90 ° successively the momentum transfer vector parallel ( Q // ) and ...
Page 146
... spectra at higher temperatures . If the inelastic scattering in Fig . 1 is purely phonon scattering one can substract this from the high temperature spectra , but not without correcting the 150 K spectrum for the temperature change in ...
... spectra at higher temperatures . If the inelastic scattering in Fig . 1 is purely phonon scattering one can substract this from the high temperature spectra , but not without correcting the 150 K spectrum for the temperature change in ...
Page 151
... spectra drastically . A quasielastic contribution ( centered around the elastic peak ) clearly emerges on top of the phonon part . This is best visualized when plotting the difference of the spectra measured at higher T minus the spectra ...
... spectra drastically . A quasielastic contribution ( centered around the elastic peak ) clearly emerges on top of the phonon part . This is best visualized when plotting the difference of the spectra measured at higher T minus the spectra ...
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