Polymer Motion in Dense Systems: Proceedings of the Workshop, Grenoble, France, September 23-25, 1987Dieter Richter |
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Page 160
... tube dia- meter ) De Gennes recently has calculated the coherent scattering function / 15 / . He considers Rouse motion inside the contorted tube and creep of the whole chain within the tube . The latter leads to a very slow overall ...
... tube dia- meter ) De Gennes recently has calculated the coherent scattering function / 15 / . He considers Rouse motion inside the contorted tube and creep of the whole chain within the tube . The latter leads to a very slow overall ...
Page 187
... tube , but its motions normal to the tube axis , over distances larger than & are forbidden . The mobility of the chain along its tube is then = 1 Με σπήγε 8 / N S ξ ( 1 ) with g the number of monomers in a subunit of size , and ng the ...
... tube , but its motions normal to the tube axis , over distances larger than & are forbidden . The mobility of the chain along its tube is then = 1 Με σπήγε 8 / N S ξ ( 1 ) with g the number of monomers in a subunit of size , and ng the ...
Page 193
... tube model gives both as - M3 , but experimentally one finds M3.4 . In order to account for such discrepancies , a number of additional relaxation processes have been introduced : constraint release , tube formation process , tube ...
... tube model gives both as - M3 , but experimentally one finds M3.4 . In order to account for such discrepancies , a number of additional relaxation processes have been introduced : constraint release , tube formation process , tube ...
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