On the role of extensional rheology, elasticity and deborah number on neck-in phenomenon during flat film production

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F17%3A63517711" target="_blank" >RIV/70883521:28110/17:63517711 - isvavai.cz</a>
Result on the web
<a href="http://leaders.4spe.org/spe/conferences/ANTEC2017/papers/310.pdf" target="_blank" >http://leaders.4spe.org/spe/conferences/ANTEC2017/papers/310.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
On the role of extensional rheology, elasticity and deborah number on neck-in phenomenon during flat film production
Original language description
In this work, viscoelastic, isothermal extrusion film casting modeling utilizing 1D membrane model and modified Leonov model was performed in order to understand the role of planar and uniaxial extensional viscosities, extensional strain hardening, Deborah number and die exit stress state (captured here via the second to first normal stress difference ratio-N2/N1). It has been found that the neck-in can be expressed via simple set of dimensionless analytical equations utilizing all above mentioned variables, and thus providing detail view into complicated relationship between polymer melt rheology, die design, process conditions and unwanted neck-in phenomenon.
Czech name
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Czech description
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Project
<a href="/en/project/GA16-05886S" target="_blank" >GA16-05886S: Investigation the effect of polymer melt shear and elongational rheology on production stability of meltblown nanofibers and films</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Annual Technical Conference - ANTEC, Conference Proceedings
ISBN
978-0-692-88309-9
ISSN
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e-ISSN
neuvedeno
Number of pages
5
Pages from-to
1131-1135
Publisher name
Society of Plastics Engineers (SPE)
Place of publication
Bethel, Connecticut
Event location
Anaheim, CA
Event date
May 8, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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