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Elongational Viscosity of Monodisperse and Bidisperse Polystyrene Melts

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dc.contributor.author Nielsen, Jens K.
dc.contributor.author Rasmussen, Henrik K.
dc.contributor.author Hassager, Ole
dc.contributor.author McKinley, Gareth H.
dc.date.accessioned 2007-01-23T11:56:00Z
dc.date.available 2007-01-23T11:56:00Z
dc.date.issued 2007-01-23T11:56:00Z
dc.identifier.uri http://hdl.handle.net/1721.1/35768
dc.description Submitted to J. Rheol. en
dc.description.abstract The startup and steady uniaxial elongational viscosity have been measured for two monodisperse polystyrene melts with molecular weights of 52 kg/mole and 103 kg/mole, and for three bidisperse polystyrene melts. The monodisperse melts show a maximum in the steady elongational viscosity vs. the elongational rate, ε, of about two times 3η_0 whereas the bidisperse melts have a maximum of up to a factor of seven times the Trouton limit of 3η_0. The Wiest model which incorporates anisotropic drag and finite extensibility may be used to interpret the results in molecular terms. en
dc.description.sponsorship Class of 1960 Fellowship Funds en
dc.format.extent 541106 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.relation.ispartofseries 06-P-06 en
dc.subject Filament stretching en
dc.subject Extensional viscosity en
dc.subject Wiest model en
dc.title Elongational Viscosity of Monodisperse and Bidisperse Polystyrene Melts en
dc.type Preprint en


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