Polymer Motion in Dense Systems: Proceedings of the Workshop, Grenoble, France, September 23-25, 1987Dieter Richter |
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Page 26
... Spin lattice relaxation , which is governed by the transfer of energy from the spin variables to the " lattice " of thermal molecular motions , is most efficient at correlation times of the order of the -1 inverse Larmor frequency w or ...
... Spin lattice relaxation , which is governed by the transfer of energy from the spin variables to the " lattice " of thermal molecular motions , is most efficient at correlation times of the order of the -1 inverse Larmor frequency w or ...
Page 67
... spin - lattice relaxation data ( where T - 1 and 2w1 T = 1 ) in P ( EO ) ( H3PO4 ) 0.42 · Figure 2 : Proton NMR relaxation rates as a function of reciprocal temperature in P ( EO ) ... relaxation , Relaxation rates ( S - 1 ) 10 10 PEO 67.
... spin - lattice relaxation data ( where T - 1 and 2w1 T = 1 ) in P ( EO ) ( H3PO4 ) 0.42 · Figure 2 : Proton NMR relaxation rates as a function of reciprocal temperature in P ( EO ) ... relaxation , Relaxation rates ( S - 1 ) 10 10 PEO 67.
Page 68
... Relaxation rates ( S - 1 ) 10 10 PEO ( D3PO4 ) x 31 P Phosphorous spin.lattice relaxation rates ( S - 1 ) ŏ ŏ 10-4 10-2 σT [ ( 12 cm ) -1 K ] 100 2.5 3.5 1000 ( K - 1 ) Fig . 3 100 Proton spin lattice relaxation rates ( S - 1 ) Fig . 4 ...
... Relaxation rates ( S - 1 ) 10 10 PEO ( D3PO4 ) x 31 P Phosphorous spin.lattice relaxation rates ( S - 1 ) ŏ ŏ 10-4 10-2 σT [ ( 12 cm ) -1 K ] 100 2.5 3.5 1000 ( K - 1 ) Fig . 3 100 Proton spin lattice relaxation rates ( S - 1 ) Fig . 4 ...
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