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Article: Sheet formation during drop deformation and breakup in polyethylene/ polycarbonate systems sheared between parallel plates

TitleSheet formation during drop deformation and breakup in polyethylene/ polycarbonate systems sheared between parallel plates
Authors
KeywordsDrop Breakup
Polymer Blends
Visualization
Issue Date2004
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/polymer
Citation
Polymer, 2004, v. 45 n. 22, p. 7605-7613 How to Cite?
AbstractA polycarbonate drop was sheared inside a polyethylene matrix in a transparent rotating parallel plate device at 220°C and low shear rates. A flat sheet was formed during the initial shearing of the drop. The drop then developed into either a thin thread or a sheet with a thin cylindrical tip. Sheet formation was found to occur at a critical strain or time. A stress ratio (Sr) between the matrix breakup stress, made up of the matrix normal stress and viscous stress, and the drop restoring stress, made up of the drop normal stress and the interfacial stress, is used to characterize the sheet formation during the drop deformation and breakup process. It was found that the viscosity ratio (ηr), stress ratio (Sr) and Deborah number (De) of the system could be used to predict the drop deformation and breakup. © 2004 Published by Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/91009
ISSN
2015 Impact Factor: 3.586
2015 SCImago Journal Rankings: 1.188
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Ben_HK
dc.contributor.authorSundararaj, Uen_HK
dc.date.accessioned2010-09-17T10:11:41Z-
dc.date.available2010-09-17T10:11:41Z-
dc.date.issued2004en_HK
dc.identifier.citationPolymer, 2004, v. 45 n. 22, p. 7605-7613en_HK
dc.identifier.issn0032-3861en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91009-
dc.description.abstractA polycarbonate drop was sheared inside a polyethylene matrix in a transparent rotating parallel plate device at 220°C and low shear rates. A flat sheet was formed during the initial shearing of the drop. The drop then developed into either a thin thread or a sheet with a thin cylindrical tip. Sheet formation was found to occur at a critical strain or time. A stress ratio (Sr) between the matrix breakup stress, made up of the matrix normal stress and viscous stress, and the drop restoring stress, made up of the drop normal stress and the interfacial stress, is used to characterize the sheet formation during the drop deformation and breakup process. It was found that the viscosity ratio (ηr), stress ratio (Sr) and Deborah number (De) of the system could be used to predict the drop deformation and breakup. © 2004 Published by Elsevier Ltd.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/polymeren_HK
dc.relation.ispartofPolymeren_HK
dc.subjectDrop Breakupen_HK
dc.subjectPolymer Blendsen_HK
dc.subjectVisualizationen_HK
dc.titleSheet formation during drop deformation and breakup in polyethylene/ polycarbonate systems sheared between parallel platesen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.polymer.2004.08.065en_HK
dc.identifier.scopuseid_2-s2.0-4644372061en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-4644372061&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume45en_HK
dc.identifier.issue22en_HK
dc.identifier.spage7605en_HK
dc.identifier.epage7613en_HK
dc.identifier.isiWOS:000224497900025-

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