Simplification of gel point characterization of cellulose nano and microfiber suspensions

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dc.contributor.authorSánchez Salvador, José Luis
dc.contributor.authorMonte Lara, M. Concepción
dc.contributor.authorNegro Álvarez, Carlos Manuel
dc.contributor.authorBatchelor, Warren
dc.contributor.authorGarnier, Gil
dc.contributor.authorBlanco Suárez, Ángeles
dc.date.accessioned2023-06-17T08:28:13Z
dc.date.available2023-06-17T08:28:13Z
dc.date.issued2021-06-17
dc.description.abstractNanocellulose is an emerging material that needs to be well characterized to control its performance during industrial applications. Gel point (Øg) is a convenient parameter commonly used to estimate the aspect ratio (AR) of cellulose nano/microfibers (CNFs/CMFs), providing critical information on the nanofiber network. However, its estimation requires many sedimentation experiments, tedious and time consuming. In this study, a simpler and faster technique is presented to estimate Øg, based on one or two sedimentation experiments, reducing the experiments by a factor of at least 2.5. Here, this new methodology is successfully validated by using the Øg of different CNF/CMF hydrogels calculated with the traditional methodology, showing an error lower than 7%. The error in the estimation of the AR is lower than 3% in all cases. Furthermore, the two mathematical models currently used to estimate Øg, the smoothing spline and the quadratic fit, are compared and the mathematical assumptions improved.
dc.description.departmentDepto. de Ingeniería Química y de Materiales
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.sponsorshipComunidad de Madrid
dc.description.sponsorshipUniversidad Complutense de Madrid/Banco de Santander
dc.description.sponsorshipAustralian Research Council, Australian Paper, Carter Holt Harvey, Circa, Norske Skog and Visy
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/72945
dc.identifier.doi10.1007/s10570-021-04003-5
dc.identifier.issn0969-0239
dc.identifier.officialurlhttps://doi.org/10.1007/s10570-021-04003-5
dc.identifier.urihttps://hdl.handle.net/20.500.14352/7215
dc.journal.titleCellulose
dc.language.isoeng
dc.page.final7006
dc.page.initial6995
dc.publisherSpringer
dc.relation.projectIDCTQ2017-85654-C2-2-R
dc.relation.projectIDRETOPROSOST-2-CM (S2018/EMT-4459)
dc.relation.projectID(CT17/17)
dc.relation.projectIDIndustry Transformation Research Hub grant IH130100016
dc.rightsAtribución 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/es/
dc.subject.cdu66.0
dc.subject.keywordAspect ratio
dc.subject.keywordCellulose nanofibers
dc.subject.keywordCharacterization
dc.subject.keywordCSAPS smoothing spline
dc.subject.keywordGel point
dc.subject.keywordSedimentation
dc.subject.ucmIndustria del papel
dc.subject.ucmIngeniería química
dc.subject.unesco3312.13 Tecnología de la Madera
dc.subject.unesco3303 Ingeniería y Tecnología Químicas
dc.titleSimplification of gel point characterization of cellulose nano and microfiber suspensions
dc.typejournal article
dc.volume.number28
dspace.entity.typePublication
relation.isAuthorOfPublication9dc61dce-9083-4e3d-81d7-90525019e1cb
relation.isAuthorOfPublication70170cd9-21de-4871-a7fe-b2ad29053b15
relation.isAuthorOfPublication.latestForDiscovery9dc61dce-9083-4e3d-81d7-90525019e1cb
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