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Time-resolving study of stress-induced transformations of isotactic polypropylene through wide angle X-ray scattering measurements

2018Journal article Open access
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dc.contributor.authorAuriemma, Finizia
dc.contributor.authorDe Rosa, Claudio
dc.contributor.authorDi Girolamo, Rocco
dc.contributor.authorMalafronte, Anna
dc.contributor.authorScoti, Miriam
dc.contributor.authorMitchell, Geoffrey Robert
dc.contributor.authorEsposito, Simona
dc.date.accessioned2023-04-24T13:16:28Z
dc.date.available2023-04-24T13:16:28Z
dc.date.issued2018
dc.description.abstractThe development of a highly oriented fiber morphology by effect of tensile deformation of stereodefective isotactic polypropylene (iPP) samples, starting from the unoriented form, is studied by following the transformation in real time during stretching through wide angle X-ray scattering (WAXS) measurements. In the stretching process, after yielding, the initial form transforms into the mesomorphic form of iPP through mechanical melting and re-crystallization. The analysis of the scattering invariant measured in theWAXS region highlights that the size of the mesomorphic domains included in the well oriented fiber morphology obtained at high deformations increases through a process which involves the coalescence of the small fragments formed by effect of tensile stress during lamellar destruction with the domain of higher dimensions.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAuriemma, F.; De Rosa, C.; Di Girolamo, R.; Malafronte, A.; Scoti, M.; Mitchell, G.R.; Esposito, S. Time-Resolving Study of Stress-Induced Transformations of Isotactic Polypropylene through Wide Angle X-ray Scattering Measurements. Polymers 2018, 10, 162. https://doi.org/10.3390/polym10020162pt_PT
dc.identifier.doi10.3390/polym10020162pt_PT
dc.identifier.issn2073-4360
dc.identifier.urihttp://hdl.handle.net/10400.8/8451
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2073-4360/10/2/162pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectIsotactic polypropylenept_PT
dc.subjectStress-induced phase transitionspt_PT
dc.subjectStructural analysispt_PT
dc.subjectX-ray diffractionpt_PT
dc.titleTime-resolving study of stress-induced transformations of isotactic polypropylene through wide angle X-ray scattering measurementspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue2pt_PT
oaire.citation.titlePolymerspt_PT
oaire.citation.volume10pt_PT
person.familyNameAuriemma
person.familyNameDe Rosa
person.familyNameDI GIROLAMO
person.familyNameMitchell
person.givenNameFinizia
person.givenNameClaudio
person.givenNameRocco
person.givenNameGeoffrey
person.identifier1546410
person.identifier1027850
person.identifier166356
person.identifier.ciencia-idE41A-ABDD-1FC7
person.identifier.orcid0000-0003-4604-2057
person.identifier.orcid0000-0002-5375-7475
person.identifier.orcid0000-0001-8815-2997
person.identifier.orcid0000-0001-7977-7610
person.identifier.ridB-7218-2014
person.identifier.scopus-author-id7004063475
person.identifier.scopus-author-id7102114667
person.identifier.scopus-author-id55190251400
person.identifier.scopus-author-id7403103397
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication572c3cfa-8c89-40d1-9713-108d0b64fbb5
relation.isAuthorOfPublication4229d848-ab90-4b97-ba61-c6b2f431e703
relation.isAuthorOfPublication5e0be0ae-7c1e-4d6e-84ed-2561f89f825b
relation.isAuthorOfPublication48c8066b-023e-4405-b462-49d28af000d1
relation.isAuthorOfPublication.latestForDiscovery572c3cfa-8c89-40d1-9713-108d0b64fbb5

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