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Exploring oxypropylation to prepare liquid and biphasic polyols from the pine-fruit shell of Auraucaria angustifolia

2016Conference object Open access
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dc.contributor.authorPinto, João A.
dc.contributor.authorRezende, Stephany
dc.contributor.authorLeimann, Fernanda Vitória
dc.contributor.authorBarreiro, M.F.
dc.date.accessioned2017-03-07T09:52:27Z
dc.date.available2017-03-07T09:52:27Z
dc.date.issued2016
dc.description.abstractThis work comprises the characterization of pine-fruit shell, the residue of the edible seeds of Araucaria angustifolia, a coniferous tree native of South America with economic importance in the South and Southwest of Brazil, and their subsequent use to produce polyols trough oxypropylation. Two different alternatives have been followed: (i) total oxypropylation to produce liquid polyols and (ii) partial oxypropylation to produce biphasic polyols (liquid polyols reinforced with biomass of the same nature). The first polyols were characterized in what concerns unreacted biomass, homopolymer content, hydroxyl number and viscosity, and their properties compared with equivalent products to foresee future applications (e.g. production of rigid polyurethane foams). The second ones were subjected to homopolymer extraction and tested to produce composite materials by hot pressing.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPinto, J.A.; Rezende, S.C.; Leimann, F.V.; Barreiro, M.F. (2016). Exploring oxypropylation to prepare liquid and biphasic polyols from the pine-fruit shell of Auraucaria angustifolia. In: XXII Encontro Luso-Galego de Química. Instituto Politécnico de Bragança. ISBN 978-989-8124-17-3pt_PT
dc.identifier.isbn978-989-8124-17-3
dc.identifier.urihttp://hdl.handle.net/10198/14093
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSociedade Portuguesa de Químicapt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAgro-forestry residuespt_PT
dc.subjectBrazilian pine-fruit shell (PFS)pt_PT
dc.subjectOxypropylationpt_PT
dc.subjectPolyolspt_PT
dc.titleExploring oxypropylation to prepare liquid and biphasic polyols from the pine-fruit shell of Auraucaria angustifoliapt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.endPage170pt_PT
oaire.citation.startPage170pt_PT
oaire.citation.titleInstituto Politécnico de Bragançapt_PT
person.familyNamePinto
person.familyNameRezende
person.familyNameLeimann
person.familyNameBarreiro
person.givenNameJoão A.
person.givenNameStephany
person.givenNameFernanda Vitória
person.givenNameFilomena
person.identifier.ciencia-idE518-E967-5179
person.identifier.ciencia-id9117-631B-A197
person.identifier.ciencia-id8F10-A04D-FC0D
person.identifier.ciencia-id3418-47D5-5746
person.identifier.orcid0000-0002-6853-9921
person.identifier.orcid0000-0002-9265-636X
person.identifier.orcid0000-0001-6230-9597
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridL-9802-2014
person.identifier.scopus-author-id57208035714
person.identifier.scopus-author-id57188719717
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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relation.isAuthorOfPublication814ada17-4b59-485a-adf7-0aa34c6168fe
relation.isAuthorOfPublicationb1102a0b-38dc-4caa-baed-ad52ccd9b230
relation.isAuthorOfPublication0391987c-ba90-488b-839a-153447ce1f0f
relation.isAuthorOfPublication.latestForDiscovery1c2f6e7c-fd0b-4349-9cb9-9b78531f9bdb

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