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The use of waterborne paints in contemporary murals: comparing the stability of vinyl, acrylic and styrene-acrylic formulations to outdoor weathering conditions

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The use of waterborne paints in contemporary murals: comparing the stability of vinyl, acrylic and styrene-acrylic formulations to outdoor weathering conditions

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dc.contributor.author MELCHIORRE DI CRESCENZO, MARTA es_ES
dc.contributor.author Zendri, Elisabetta es_ES
dc.contributor.author Sánchez Pons, Mercedes es_ES
dc.contributor.author Fuster López, Laura es_ES
dc.contributor.author Yusa Marco, Dolores Julia es_ES
dc.date.accessioned 2015-06-26T10:28:50Z
dc.date.available 2015-06-26T10:28:50Z
dc.date.issued 2014-09
dc.identifier.issn 0141-3910
dc.identifier.uri http://hdl.handle.net/10251/52340
dc.description.abstract This paper reports on the photochemical degradation of waterborne paints, products which have been widely used in the production of outdoor contemporary murals. For this purpose, 15 artist-grade formulations, including three binders (poly(n-butyl acrylate-co-methyl methacrylate), poly(vinyl acetateco-vinyl versatate), poly(n-butyl methacrylate-co-styrene-co-2-ethylexyl acrylate)) and five pigments (titanium white, artificial ultramarine blue, mars yellow, quinacridone red, phthalocyanine green) were selected and brushed on cement lime mortar supports, simulating the stratified structure typically used by artists. Samples were exposed to UVA-340 lamps (295 < l < 370 nm) for 800 h, and changes in paint layer properties were monitored using Fourier transform infrared spectroscopy, colorimetric measurements, light and scanning electron microscopy. Thanks to this multi-analytical approach it was possible to study the relationship between chemical degradation experienced by polymer binders, changes in paint surface morphology and discoloration. The results confirmed photo-oxidative reactions undergone by the binding media, with acrylic and styrene-acrylic samples being more stable than the vinyl ones. The influence of pigments and extenders on the stability of polymers was also evaluated and it was observed that, regardless of binder typology, samples containing artificial ultramarine blue underwent the most evident degradation. es_ES
dc.description.sponsorship Financial support from MIUR (Italian Ministry of Education and Research), Valencian Regional Government "I+D Generalitat Valenciana" (GV/2007/212, GV/2011/082), Research and Development Support Program of the Universitat Politecnica de Valencia (PAID-06-06-4720, PAID-00-07-2607, PAID-08-07-4466, PAID-06-10-2429) are gratefully acknowledged. The authors want to acknowledge M.T. Domenech-Carbo for providing analytical equipment (FTIR), M.L. Martinez-Bazan for providing colorimetric equipment, M. Planes Insausti and J.L. Moya-Lopez (Electron Microscopy Service-UPV) for technical assistance. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation GV/2007/212
dc.relation GV/2011/082
dc.relation UPV/PAID-06-06-4720
dc.relation UPV/PAID-00-07-2607
dc.relation UPV/PAID-08-07-4466
dc.relation UPV/PAID-06-10-2429
dc.relation.ispartof Polymer Degradation and Stability es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Waterborne paints es_ES
dc.subject Outdoor murals es_ES
dc.subject P(nBA/MMA) es_ES
dc.subject P(VAc/VeoVa) es_ES
dc.subject P(nBMA/styrene/2EHA) es_ES
dc.subject Photodegradation es_ES
dc.subject Electron Microscopy Service of the UPV es_ES
dc.subject.classification PINTURA es_ES
dc.title The use of waterborne paints in contemporary murals: comparing the stability of vinyl, acrylic and styrene-acrylic formulations to outdoor weathering conditions es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.polymdegradstab.2013.12.034
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Conservación y Restauración de Bienes Culturales - Departament de Conservació i Restauració de Béns Culturals es_ES
dc.description.bibliographicCitation Melchiorre Di Crescenzo, M.; Zendri, E.; Sánchez Pons, M.; Fuster López, L.; Yusa Marco, DJ. (2014). The use of waterborne paints in contemporary murals: comparing the stability of vinyl, acrylic and styrene-acrylic formulations to outdoor weathering conditions. Polymer Degradation and Stability. 107:285-293. doi:10.1016/j.polymdegradstab.2013.12.034 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.polymdegradstab.2013.12.034 es_ES
dc.description.upvformatpinicio 285 es_ES
dc.description.upvformatpfin 293 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 107 es_ES
dc.relation.senia 256311
dc.contributor.funder Ministero dell'Istruzione dell'Università e della Ricerca, Italia
dc.contributor.funder Generalitat Valenciana
dc.contributor.funder Universitat Politècnica de València


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