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Density and Rheology of Tris(2-ethylhexyl) Trimellitate (TOTM)

2018-01-22Journal article Restricted access
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dc.contributor.authorAvelino, Helena Maria da Nóbrega Teixeira
dc.contributor.authorCaetano, Fernando J. P.
dc.contributor.authorDiogo, João C. F.
dc.contributor.authorFareleira, João M. N. A.
dc.contributor.authorPereira, Marta F. V.
dc.contributor.authorSantos, Fernando J. V.
dc.contributor.authorSantos, Tânia V. M.
dc.contributor.authorWakeham, William A.
dc.date.accessioned2019-11-04T15:00:43Z
dc.date.available2019-11-04T15:00:43Z
dc.date.issued2018-01-22
dc.description.abstractThis article presents new density data and some rheological studies on tris(2-ethylhexyl) trimellitate (TOTM) which has recently been proposed as a reference fluid for viscosity at high temperatures and high pressures. The density data have been obtained with the aid of an Anton Paar DMA HP U-tube instrument, covering temperatures from 328 to 423 K and pressures up to 70 MPa, and they are aimed at extending the temperature range of previous results. They are also used to check the effect of interlot consistency of the density data for TOTM. The present density measurements are compared with previously published data. Rheological tests were carried out to complement earlier studies. Particular attention is given to the shear rate range of greatest interest for the proposed use of TOTM as an industrial reference fluid for viscosity: the tests include shear stresses up to 750 Pa and shear rates up to 4000 s–1 under atmospheric pressure. The tests were carried out using a Parallel Plate Rheometer AR1500ex10C4298. The results at a temperature of 298 K corroborate the previous findings that TOTM is Newtonian below a shear rate of 600 s–1, which is entirely compatible with its use as an industrial calibrating fluid for viscosity. At shear rates higher than 600 s–1 a shear-thinning like behavior is observed.pt_PT
dc.description.sponsorshipThis work was supported by the Strategic Project PEst-OE/QUI/UI0100/2013 funded by Fundacão para a Ciência e Teccnologia (FCT, Portugal). The authors are grateful to FCT (Portugal) for its support. Part of this work was presented at the 21st European Conference on Thermophysical Properties, Graz, Austria, 03-08 September 2017.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1021/acs.jced.7b00939
dc.identifier.urihttp://hdl.handle.net/10400.2/8694
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectTris(2-ethylhexyl) Trimellitatept_PT
dc.subjectDensitypt_PT
dc.subjectRheologypt_PT
dc.subjectTOTMpt_PT
dc.titleDensity and Rheology of Tris(2-ethylhexyl) Trimellitate (TOTM)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PEst-OE%2FQUI%2FUI0100%2F2013/PT
oaire.citation.endPage462pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage459pt_PT
oaire.citation.titleJournal of Chemical Engineeringpt_PT
oaire.citation.volume63pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameAvelino
person.familyNameCaetano
person.familyNameFareleira
person.givenNameHelena Maria da Nóbrega Teixeira
person.givenNameFernando J. P.
person.givenNameJoão
person.identifier.ciencia-id9615-6337-5695
person.identifier.ciencia-idDE17-708E-317F
person.identifier.ciencia-id8E1B-F54C-8ABD
person.identifier.orcid0000-0001-6516-2164
person.identifier.orcid0000-0002-6821-1694
person.identifier.orcid0000-0002-8442-9386
person.identifier.ridH-8325-2012
person.identifier.scopus-author-id14919229800
person.identifier.scopus-author-id7004474824
person.identifier.scopus-author-id6603840268
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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