Die swell from capillary die and slit die: A theoretical study

Die swell from capillary die and slit die: A theoretical study

Assuming polymer fluids obey the CEF equation, equations concerning die swell from capillary die and slit die were derived. The die swell of polymer increased with increasing shear rate and recoverable shear. Our theoretical predictions conformed well with the experimental data of die swell for PP a...

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Veröffentlicht in:Journal of applied polymer science 1988-03, Vol.35 (4), p.847-862
Hauptverfasser: Chiu, Wen-Yen, Shyu, Goang-Ding
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Physical properties
Polymer industry, paints, wood
Properties and testing
Rheological properties
Technology of polymers
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Beschreibung
Zusammenfassung:Assuming polymer fluids obey the CEF equation, equations concerning die swell from capillary die and slit die were derived. The die swell of polymer increased with increasing shear rate and recoverable shear. Our theoretical predictions conformed well with the experimental data of die swell for PP and PS.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1988.070350401