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Quantitative prediction of transient and steady-state elongational viscosity of nearly monodisperse polystyrene melts
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10.1122/1.2048741
/content/sor/journal/jor2/49/6/10.1122/1.2048741
http://aip.metastore.ingenta.com/content/sor/journal/jor2/49/6/10.1122/1.2048741

Figures

Image of FIG. 1.
FIG. 1.

Comparison of measured transient elongational viscosity data of PS390K (symbols) to predictions by DE theory (full lines) and assumption of affine chain stretch (dotted lines).

Image of FIG. 2.
FIG. 2.

Comparison of steady-state elongational viscosity data of PS390K measured at 130 °C (full symbols), and at 150 °C (shifted to 130 °C, open symbols), to predictions by DE theory (full line).

Image of FIG. 3.
FIG. 3.

Comparison of measured steady-state elongational viscosity data of PS390K (symbols) to predictions by MSF model with chain stretch balanced by Rouse-type spring force (dotted lines, from left to right: ) and by interchain pressure (full line, ).

Image of FIG. 4.
FIG. 4.

Comparison of measured transient elongational viscosity data to predictions by MSF model with chain stretch balanced by interchain pressure: (a) PS390K, ; (b) PS200K, ; (c) PS100K, ; and (d) PS50K, .

Image of FIG. 5.
FIG. 5.

Comparison of measured steady-state elongational viscosity data of four narrow molar mass distribution PS melts (symbols) to predictions of MSF model with chain stretch balanced by interchain pressure (lines).

Image of FIG. 6.
FIG. 6.

Reptation time , Rouse time , and tube diameter relaxation time as a function of molar mass M.

Tables

Generic image for table
TABLE I.

Molecular characterization and discrete relaxation spectra (relaxation moduli and relaxation times ) of PS samples at 130 °C.

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/content/sor/journal/jor2/49/6/10.1122/1.2048741
2005-11-01
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantitative prediction of transient and steady-state elongational viscosity of nearly monodisperse polystyrene melts
http://aip.metastore.ingenta.com/content/sor/journal/jor2/49/6/10.1122/1.2048741
10.1122/1.2048741
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