Fluorinated additives for stain-resistant matt latex paints / J. Branquinho in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 4 (12/2009)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 6, N° 4 (12/2009) . - p. 483-491 Titre : Fluorinated additives for stain-resistant matt latex paints Type de document : texte imprimé Auteurs : J. Branquinho, Auteur ; J. A. C. Alves, Auteur ; Susana Carvalho, Auteur ; Jorge Moniz, Auteur ; Fernanda Oliveira, Auteur ; M. H. Gil, Auteur Année de publication : 2009 Article en page(s) : p. 483-491 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Fluoropolymères Latex Polyacrylate de butyle Résistance aux taches Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- Additifs Index. décimale : 667.9 Revêtements et enduits Résumé : Latex paints are often preferred over solvent-based paints due to their good gloss and color retention, ease of handling, and lower volatile organic contents. However, matt latex paints tend to show poor stain resistance since they develop highly porous and rough surfaces. In recent years, matt latex paints have been improved in their stain resistance with resulting better cleanability, by adding hydrocarbon acrylic polymers and fluorine-containing compounds. In this work, we prepared fluorinated acrylic emulsions of the copolymer of butyl acrylate (BA) and perfluorobutylethylene (PFBE), which were introduced in latex paint compositions. The properties of the modified paints were evaluated by performing stain resistance tests with several domestic products. It was observed that they had good stain release properties, thus conferring good properties to the final painting system. They contain the self-cleaning behavior typical of fluorinated coatings, which have been proven by the decrease of their surface energies. Since the cleaning procedures of a matt paint film can also impart some gloss increase, the wet and dry burnishes were also evaluated. The results have shown improvements in stain resistance and cleanability of the modified matt latex paints with the maintenance of their stability and the coatings gloss as required. DOI : 10.1007/s11998-009-9170-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-009-9170-8.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=7691 [article]

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A greener shade of white / David Graham in EUROPEAN COATINGS JOURNAL (ECJ), N° 9 (09/2011)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 9 (09/2011) . - p. 36-40 Titre : A greener shade of white : Acrylic emulsion system targets high durability with renewable content Type de document : texte imprimé Auteurs : David Graham, Auteur ; Anca Puiu, Auteur ; Catarina Ralheta, Auteur ; Susana Carvalho, Auteur Année de publication : 2011 Article en page(s) : p. 36-40 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chimie écologique Emulsifiants Epaississants Formulation (Génie chimique) Polyacryliques Polymères en émulsion Ressources renouvelables Revêtements en phase aqueuse:Peinture en phase aqueuse Surfactants Index. décimale : 667.9 Revêtements et enduits Résumé : A coating with reduced environmental impact has been developed, using a pure acrylic polymer to maximise durability. Emulsions were produced at high solids content (to reduce production, transport and packaging impacts) with very low levels of a renewable-based emulsifier and thickener. Application and performance properties were good. Note de contenu : - Choosing a route to environmental efficiency - Raw material selection for emulsion - Application tests on paint formulations - Issues relating to surfactant choice - In pursuit of environmental excellence En ligne : https://drive.google.com/file/d/1DX7NpGYPhO_CLa8s_35tl66svHTn_8G4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11897 [article]

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High renewable content binders for ecological waterborne coatings / Susana Carvalho in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 206, N° 4618 (03/2016)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 206, N° 4618 (03/2016) . - p. 22-24 Titre : High renewable content binders for ecological waterborne coatings Type de document : texte imprimé Auteurs : Susana Carvalho, Auteur ; Jorge Moniz, Auteur ; Ana Mourão, Auteur ; Catarina Ralheta, Auteur Année de publication : 2016 Article en page(s) : p. 22-24 Langues : Anglais (eng) Catégories : Chlorure de polyvinyle Formulation (Génie chimique) Latex Liants Polyacryliques Ressources renouvelables Revêtements décoratifs:Peinture décorative Revêtements en bâtiment:Peinture en bâtiment Index. décimale : 667.9 Revêtements et enduits Résumé : lnnovative renewable resins with 100% solids have been developed, containing 80% and 100% bio-based materials respectively and no emulsifiers. Both resins have been successfully used as sole binders in decorative paints. A 55% PVC white paint formulation was used to assess the resins' behaviour in moderately high binder content coatings. Paint properties were generally in agreement with standard Vam/VeoVa and acrylic latex binders for interior applications, white for exterior applications further improvements are still needed. A specific interior matte paint formulation was developed to meet the European Ecolabel criteria. In addition to a high quality acrylic latex, both renewable resins were able to produce paints whose properties are in compliance with Ecolabel parameters. The presented resins are, thus, excellent choices to increase the bio-based content of a decorative paint. Further characterisation is being carried out and different formulations are being tested in order to explore the possibilities of these novel renewable resins. Note de contenu : - Renewable resin as co-binder - Renewable resins as sole binders in a 55% PVC white paint - Renewable resins as sole binders in ecolabel matte paint En ligne : https://drive.google.com/file/d/11hAzcaCuRFRloNEkOUFZ9DsglUnED0aI/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25802 [article]

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Staying out on the tiles / Susana Carvalho in EUROPEAN COATINGS JOURNAL (ECJ), N° 9/2005 (09/2005)  

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 9/2005 (09/2005) . - p. 42-47 Titre : Staying out on the tiles : Improving the wet adhesion of coatings to ceramic substrates Type de document : texte imprimé Auteurs : Susana Carvalho, Auteur ; Ilda Fernandes, Auteur ; Joao C. Bordado, Auteur Année de publication : 2005 Article en page(s) : p. 42-47 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Emulsion polymer - Elastomeric coatings based on acrylic copolymers are widely used as facade paints in Portugal. Problems can arise with poor wet adhesion, particularly when painting over ceramic substrates. The use of phosphate-type emulsifiers and copolymerisable wet adhesion promoters in the production of emulsion resin was found to considerably improve the wet adhesion of coatings to such nonporous substrates. En ligne : https://drive.google.com/file/d/18FU3G7qbfSeqbU_-40hvKQP0ivqI4vSj/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8806 [article]

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