| 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 |
