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Effect of cellulose nanocrystals in a cellulosic liquid crystal behaviour under low shear (regime I): structure and molecular dynamics

2016-02Journal article Restricted access
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dc.contributor.authorEcheverria, Coro
dc.contributor.authorFernandes, Susete
dc.contributor.authorAlmeida, Pedro L.
dc.contributor.authorGodinho, Maria Helena
dc.date.accessioned2017-01-16T09:33:27Z
dc.date.available2017-01-16T09:33:27Z
dc.date.issued2016-02
dc.description.abstractWe study the motion of a uniform thin rod released from rest, with the bottom end initially in contact with a horizontal surface. Our focus here is the motion of the bottom end as the rod falls. For small angles of release with respect to the horizontal, the rod falls without the bottom end slipping. For larger angles, the slipping direction depends on the static friction coefficient between the rod and the horizontal surface. Small friction coefficients cause the end to slip initially in one direction and then in the other, while for high coefficients, the end slips in one direction only. For intermediate values, depending on the angle of release, both situations can occur. We find the initial slipping direction to depend on a relation between the angle at which the rod slips, and a critical angle at which the frictional force vanishes. Comparison between experimental data and numerical simulations shows good agreement. (C) 2016 American Association of Physics Teachers.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationECHEVERRIA, Coro; [et al] – Effect of cellulose nanocrystals in a cellulosic liquid crystal behaviour under low shear (regime I): Structure and molecular dynamics. European Polymer Journal. ISSN 0014-3057. Vol. 84 (2016), pp. 675-684
dc.identifier.urihttp://hdl.handle.net/10400.21/6704
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttp://ac.els-cdn.com/S0014305716308436/1-s2.0-S0014305716308436-main.pdf?_tid=2719763e-dbce-11e6-b795-00000aacb362&acdnat=1484559094_739bea39523a4530fc1205113015190cpt_PT
dc.subjectCellulose nanocrystalspt_PT
dc.subjectLiquid crystalline solutionpt_PT
dc.subjectHydroxypropycellulosept_PT
dc.subjectRheologypt_PT
dc.subjectRheo-NMRpt_PT
dc.titleEffect of cellulose nanocrystals in a cellulosic liquid crystal behaviour under low shear (regime I): structure and molecular dynamicspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage684pt_PT
oaire.citation.startPage675pt_PT
oaire.citation.titleEuropena Polymer Journalpt_PT
oaire.citation.volume84pt_PT
person.familyNameFernandes
person.familyNameMarques de Almeida
person.familyNameGodinho
person.givenNameSusete
person.givenNamePedro
person.givenNameMaria Helena
person.identifier.ciencia-idBD11-4812-FD7C
person.identifier.ciencia-id0218-71B2-2DE0
person.identifier.ciencia-idC316-7B1F-4513
person.identifier.orcid0000-0002-7871-6717
person.identifier.orcid0000-0001-7356-8455
person.identifier.orcid0000-0002-9760-5983
person.identifier.ridJ-5065-2013
person.identifier.ridB-4356-2009
person.identifier.ridJ-3679-2013
person.identifier.scopus-author-id57183724000
person.identifier.scopus-author-id57190384213
person.identifier.scopus-author-id7005654016
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationed96bc2f-0ba7-412e-a9e9-0eec704a93ab
relation.isAuthorOfPublication429b6d71-328e-42b3-8151-15493de249b8
relation.isAuthorOfPublication9e92c2e7-f179-42a4-b284-2b30b769aa0b
relation.isAuthorOfPublication.latestForDiscovery429b6d71-328e-42b3-8151-15493de249b8

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