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Crosslinking versus interdiffusion in two pot one pack acetoacetoxy-amine based binder system

dc.contributor.authorTariq, Sheraz
dc.contributor.authorIrusta Maritxalar, María Lourdes
dc.contributor.authorFernández San Martín, Mercedes
dc.contributor.authorPaulis Lumbreras, María
dc.date.accessioned2023-02-07T18:02:28Z
dc.date.available2023-02-07T18:02:28Z
dc.date.issued2023-01
dc.identifier.citationProgress in Organic Coatings 174 : (2023) // Article ID 107292es_ES
dc.identifier.issn0300-9440
dc.identifier.issn1873-331X
dc.identifier.urihttp://hdl.handle.net/10810/59715
dc.description.abstractA two-pot-one-pack waterborne crosslinking system is studied by following the crosslinking and interdiffusion between the polymer particles functionalized with acetoacetoxy on one hand and with polyethyleneimine on the other. FTIR spectroscopy and rheological measurements are used to follow the evolution of crosslinking, while pyrene excimer fluorescence is used to analyse the interdiffusion of polymer chains between neighbouring particles during film formation. Both crosslinking and interdiffusion proceed slowly at room temperature. However, crosslinking is complete after 24 h at 60 °C, while interdiffusion does not proceed further at this temperature. TEM images confirm the presence of a honeycomb structure in the final film, produced by the crosslinked moieties between polymer particles that can act as a barrier for interdiffusion of polymer chains between particles. Nevertheless, strong films are produced even in the absence of significant interdiffusion, due to the crosslinks between particles.es_ES
dc.description.sponsorshipWe acknowledge the financial support provided by the Industrial Liaison Program of POLYMAT.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectwaterborne latexes_ES
dc.subjectacetoacetoxy ethyl methacrylatees_ES
dc.subjectpolyethyleneiniminees_ES
dc.subjectcrosslinking reactionses_ES
dc.subjectflm formationes_ES
dc.subjectpyrene excimer fluorescencees_ES
dc.titleCrosslinking versus interdiffusion in two pot one pack acetoacetoxy-amine based binder systemes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.holder© 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/).es_ES
dc.rights.holderAtribución-NoComercial-SinDerivadas 3.0 España*
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0300944022005896?via%3Dihubes_ES
dc.identifier.doi10.1016/j.porgcoat.2022.107292
dc.departamentoesPolímeros y Materiales Avanzados: Física, Química y Tecnologíaes_ES
dc.departamentoesQuímica aplicadaes_ES
dc.departamentoeuPolimero eta Material Aurreratuak: Fisika, Kimika eta Teknologiaes_ES
dc.departamentoeuKimika aplikatuaes_ES


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© 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/).
Excepto si se señala otra cosa, la licencia del ítem se describe como © 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/).