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Modeling and simulation of photofabrication processes using unsaturated polyester resins

2009-08-17Journal article Open access
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datacite.subject.fosCiências Naturais::Ciências Químicas
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
dc.contributor.authorMatias, João Manuel
dc.contributor.authorBartolo, Paulo
dc.contributor.authorPontes, António Vilela
dc.date.accessioned2025-06-17T11:28:30Z
dc.date.available2025-06-17T11:28:30Z
dc.date.issued2009-08-17
dc.description.abstractSeveral kinetic models have been proposed to simulate thermosetting cure reactions. The most complex models, based on a mechanistic approach of cure reactions, are developed based on the concepts of free radical polymerization and the mechanism of reactions with diffusion. However, mechanistic models are usually quite impractical for engineering purposes because of the difficulty in obtaining the model parameters. An alternative to these mechanistic models are the phenomenological models, formulated in terms of the degree of cure and much easier to apply. Phenomenological models have been largely used to study thermal-initiated cure reactions, although only few works used them to model the kinetics of ultraviolet-initiated cure reaction. This work proposes a photo-thermal-kinetic model to study the behavior of unsaturated polyester resins during ultraviolet-initiated cure reactions. The model considers samples with different amounts of initiator concentration and cure reactions performed under different ultraviolet light intensities. The model has been numerically solved using the finite element technique.eng
dc.description.sponsorshipPortuguese Foundation for Science and Technology; contract grant number: POCTI/EME/58405/2004.
dc.identifier.citationMatias, J.M., Bartolo, P.J. and Pontes, A.V. (2009), Modeling and simulation of photofabrication processes using unsaturated polyester resins. J. Appl. Polym. Sci., 114: 3673-3685. https://doi.org/10.1002/app.30405.
dc.identifier.doi10.1002/app.30405
dc.identifier.eissn1097-4628
dc.identifier.issn0021-8995
dc.identifier.urihttp://hdl.handle.net/10400.8/13287
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationPOCTI/ EME/58405/2004
dc.relation.hasversionhttps://onlinelibrary.wiley.com/doi/10.1002/app.30405
dc.relation.ispartofJournal of Applied Polymer Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectcomputer modeling
dc.subjectcuring of polymers
dc.subjectphotopolymerization
dc.subjectpolyesters
dc.titleModeling and simulation of photofabrication processes using unsaturated polyester resinseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage3685
oaire.citation.issue6
oaire.citation.startPage3673
oaire.citation.titleJournal of Applied Polymer Science
oaire.citation.volume114
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMatias
person.familyNameBartolo
person.givenNameJoão
person.givenNamePaulo
person.identifier203086
person.identifier.ciencia-id5810-9BF9-4522
person.identifier.orcid0000-0002-2020-8824
person.identifier.orcid0000-0003-3683-726X
person.identifier.ridF-2421-2013
person.identifier.scopus-author-id6603353041
relation.isAuthorOfPublication04a00ac5-50dd-4979-a477-e1b525b4008e
relation.isAuthorOfPublicationab44d1ae-46d0-45c2-b19f-200024b5a990
relation.isAuthorOfPublication.latestForDiscovery04a00ac5-50dd-4979-a477-e1b525b4008e

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Several kinetic models have been proposed to simulate thermosetting cure reactions. The most complex models, based on a mechanistic approach of cure reactions, are developed based on the concepts of free radical polymerization and the mechanism of reactions with diffusion. However, mechanistic models are usually quite impractical for engineering purposes because of the difficulty in obtaining the model parameters. An alternative to these mechanistic models are the phenomenological models, formulated in terms of the degree of cure and much easier to apply. Phenomenological models have been largely used to study thermal-initiated cure reactions, although only few works used them to model the kinetics of ultraviolet-initiated cure reaction. This work proposes a photo-thermal-kinetic model to study the behavior of unsaturated polyester resins during ultraviolet-initiated cure reactions. The model considers samples with different amounts of initiator concentration and cure reactions performed under different ultraviolet light intensities. The model has been numerically solved using the finite element technique.
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