Polymer Motion in Dense Systems: Proceedings of the Workshop, Grenoble, France, September 23-25, 1987Dieter Richter |
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Page 117
... Isotropic state 2 . Elongation ration λ = 3 ( reached in less than 10s ) , relaxation time = 60s at 118 ° C 3. λ = 3 , to = 90s at 122 ° C R 4. λ = 4 , tR = 60s at 140 ° C Isointensity Curves Three obtained isointensity curves are ...
... Isotropic state 2 . Elongation ration λ = 3 ( reached in less than 10s ) , relaxation time = 60s at 118 ° C 3. λ = 3 , to = 90s at 122 ° C R 4. λ = 4 , tR = 60s at 140 ° C Isointensity Curves Three obtained isointensity curves are ...
Page 118
... isotropic stage , curve calculated with RPA formula and x = 2.10-4 R .. = 340A t = 60s at 118 ° C , and directions , t = 90s at 12 ° C , and directions H b : R C : t = 60s at 140 ° C , and directions - R curve calculated with RPA ...
... isotropic stage , curve calculated with RPA formula and x = 2.10-4 R .. = 340A t = 60s at 118 ° C , and directions , t = 90s at 12 ° C , and directions H b : R C : t = 60s at 140 ° C , and directions - R curve calculated with RPA ...
Page 123
... isotropic and anisotropic contributions since Ivv - Iiso + 4/3 IVн . The density autocorrelation function of eq.1 for isotropic scattering for an undiluted system has the form [ 11 ] . Ciso ( q , t ) = A < [ { ay ( t ) ak ( 0 ) exp iq ...
... isotropic and anisotropic contributions since Ivv - Iiso + 4/3 IVн . The density autocorrelation function of eq.1 for isotropic scattering for an undiluted system has the form [ 11 ] . Ciso ( q , t ) = A < [ { ay ( t ) ak ( 0 ) exp iq ...
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 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 quench 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