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Waterborne polyurethane-urea dispersion with chain extension step in homogeneous medium reinforced with cellulose nanocrystals

2018Journal article Restricted access
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dc.contributor.authorSantamaria-Echart, Arantzazu
dc.contributor.authorFernandes, Isabel P.
dc.contributor.authorUgarte, Lorena
dc.contributor.authorBarreiro, M.F.
dc.contributor.authorArbelaiz, Aitor
dc.contributor.authorCorcuera, Maria Angeles
dc.contributor.authorEceiza, Arantaxa
dc.date.accessioned2017-12-04T11:27:06Z
dc.date.available2017-12-04T11:27:06Z
dc.date.issued2018
dc.description.abstractWaterborne polyurethane-urea (WBPUU) dispersions have gained attention towards environmentally-friendly synthesis routes. Differing from the conventional WBPUU synthesis route where the diamine chain extension is performed in heterogeneous medium in the surface of the already formed particles, in this case the chain ex- tension was carried out in homogeneous medium, prior to WBPUU nanoparticles formation. Thus, stable WBPUU dispersion with small particle sizes and narrow distribution was synthesized. Furthermore, cellulose nanocrystals (CNC) were isolated for the preparation of eco-friendly nanocomposites just by mixing. Nanocomposites with different CNC contents were prepared and extensively characterized in terms of physicochemical, thermal, thermomechanical and mechanical properties, hydrophilic behavior and morphology.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSantamaria-Echart, A.; Fernandes, I.P.; Ugarte, L.; Barreiro, M.F.; Arbelaiz, A.; Corcuera, M.A.; Eceiza, A. (2018). Waterborne polyurethane-urea dispersion with chain extension step in homogeneous medium reinforced with cellulose nanocrystals. Composites Part B: Engineering. ISSN 1359-8368. 137, p. 31-38pt_PT
dc.identifier.doi10.1016/j.compositesb.2017.11.004pt_PT
dc.identifier.issn1359-8368
dc.identifier.urihttp://hdl.handle.net/10198/14677
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectNano-structurespt_PT
dc.subjectMechanical propertiespt_PT
dc.subjectSurface propertiespt_PT
dc.subjectThermal analysispt_PT
dc.subjectWaterborne polyurethane-ureapt_PT
dc.titleWaterborne polyurethane-urea dispersion with chain extension step in homogeneous medium reinforced with cellulose nanocrystalspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage38pt_PT
oaire.citation.startPage31pt_PT
oaire.citation.titleComposites Part B: Engineeringpt_PT
oaire.citation.volume137pt_PT
person.familyNameSantamaria-Echart
person.familyNameFernandes
person.familyNameBarreiro
person.givenNameArantzazu
person.givenNameIsabel P.
person.givenNameFilomena
person.identifier.ciencia-id0C17-1E1F-2621
person.identifier.ciencia-id4D1C-441F-C7F0
person.identifier.ciencia-id3418-47D5-5746
person.identifier.orcid0000-0003-0107-7301
person.identifier.orcid0000-0002-0069-4503
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridL-1552-2016
person.identifier.ridL-9802-2014
person.identifier.scopus-author-id56725697700
person.identifier.scopus-author-id26323585300
person.identifier.scopus-author-id57188719717
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationeb945e05-928f-45cb-ac27-04b4159ae31a
relation.isAuthorOfPublicationaa1919bb-c35d-4abb-a137-10d998ad4eca
relation.isAuthorOfPublication0391987c-ba90-488b-839a-153447ce1f0f
relation.isAuthorOfPublication.latestForDiscovery0391987c-ba90-488b-839a-153447ce1f0f

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