2025
Boletín Bibliográfico de la Biblioteca del CIDEPINT | Número 21 Autores:Buchko, Rosalía Beatriz Fecha: 01/03/2025Tipo de documento: BoletinResumen:Se listan los recursos bibliográficos institucionales, en este caso las memorias institucionales del CIDEPINT (Centro de Investigación y Desarrollo en Tecnología de Pinturas) desde el año 1978 al 2011....Compartir:
Modified natural mineral with a biogenic compound to control microbial growth in waterborne paint Autores:Barberia Roque, Leyanet López, Guillermo Pablo Gámez Espinosa, Erasmo Junior Igal, Katerine Fernández, Mariela Alejandra Deyá, Marta Cecilia Bellotti, Natalia Fecha: 18/02/2025Tipo de documento: ArticuloResumen:Hygienic paints are designed to control microbial growth by imparting antimicrobial activity both in-film and incan. Biogenic compounds like terpenes in essential oils (EOs) have potential antimicrobial properties. Additionally, modified montmorillonites (Mt) show promise as nanoscale carriers for t...Compartir:
Citronellol-functionalized natural silica: a biogenic approach for antifungal and antibacterial material applications Autores:López, Guillermo Pablo Barberia Roque, Leyanet Igal, Katerine Gámez Espinosa, Erasmo Junior Bellotti, Natalia Fecha: 30/01/2025Tipo de documento: ArticuloResumen:Introduction: New bioactive hybrid materials to prevent biofilm-induced biodeterioration are a significant challenge in indoor environments, where contaminants from microbial films compromise structural integrity and contribute to air pollution, posing health risks from prolonged exposure to biologi...Compartir:
Boletín Bibliográfico de la Biblioteca del CIDEPINT | Número 20 Autores:Buchko, Rosalía Beatriz Fecha: 01/01/2025Tipo de documento: BoletinResumen:Se listan los recursos bibliográficos institucionales, en este caso la publicación periódica Anales del CIDEPINT, y se ofrece el sumario de sus contenidos y su localización electrónica....Compartir:
2024
Bioactive solids obtained from montmorillonite functionalization by biogenic compounds to be used as antimicrobial filler Autores:López, Guillermo Pablo Barberia Roque, Leyanet Igal, Katerine Gámez Espinosa, Erasmo Junior Fernández, Mariela Alejandra Bellotti, Natalia Fecha: 28/07/2024Tipo de documento: ArticuloResumen:The growth of fungi and bacteria on material surfaces negatively impacts human health and produces economic losses, and harmful waste for the environment. In the present research, new eco-friendly and low-cost antimi crobial fillers are actively sought by the functionalization of montmorillonite usi...Compartir:
Biodeterioro en los entornos edilicios: Impacto en pinturas aplicadas y en el envase, estrategias de control y prevención Autores:Gámez Espinosa, Erasmo Junior Barberia Roque, Leyanet López, Guillermo Pablo Igal, Katerine Bellotti, Natalia Fecha: 01/03/2024Tipo de documento: ArticuloResumen:La aparición de manchas en techos y paredes pueden ser claro signo de biodeterioro ocasionado por los microrganismos que logran crecer sobre las superficies pintadas o no. En especial los hongos filamentosos se cuentan entre los más perjudiciales para la integridad de materiales estructurales y re...Compartir:
Environmentally friendly surface treatments used to avoid algal colonization on mortars Fecha: 31/01/2024Tipo de documento: ArticuloResumen:Biodeterioration is a major problem with construction materials. Presence of biofilm, biofouling, or biopatina, causes decomposition processes of the material both on its surface manifesting as undesirable aesthetic alter ations as well as within the material. In this study, two environmentally frie...Compartir:
Modelling of coating thickness distribution on the edges of a moving cathode during electrogalvanizing Autores:Bengoa, Leandro Nicolás Goñi, Sandro Mauricio Salvadori, Viviana Olga Seré, Pablo Ricardo Pary, Paola Egli, Walter Alfredo Fecha: 01/01/2024Tipo de documento: ArticuloResumen:Electrogalvanizing is a widespread practice used to prevent steel corrosion. A mathematical model was developed to simulate the plating process and to predict the zinc coating thickness distribution at the cathode surface for different operating conditions. The model considers ternary current distri...Compartir:
Microbial Communities in Model Seawater-Compensated Fuel Ballast Tanks: Biodegradation and Biocorrosion Stimulated by Marine Sediments Autores:Duncan, Kathleen E. Dominici, Lina Edith Nanny, Mark A. Davidova, Irene A. Harriman, Brian H. Suflita, Joseph M. Fecha: 01/01/2024Tipo de documento: ArticuloResumen:Some naval vessels add seawater to carbon steel fuel ballast tanks to maintain stability during fuel consumption. Marine sediments often contaminate ballast tank fluids and have been implicated in stimulating fuel biodegradation and enhancing biocorrosion. The impact of the marine sediment was evalu...Compartir:
2023
Control of fungal deterioration of ceramic materials by green nanoadditives-based coatings Fecha: 27/10/2023Tipo de documento: ArticuloResumen:Biodeterioration of building materials causes financial losses as restoration and conservation processes need to be carried out. Filamentous fungi invade the surface of ceramic materials causing fungal deterioration, in these cases, coatings with antimicrobial additives are used to control this phen...Compartir:
Hygienic coatings with nano-functionalized diatomaceous earth by Equisetum giganteum – Mediated green synthesis Fecha: 01/10/2023Tipo de documento: ArticuloResumen:Background: Microbiological growth on indoor surfaces has a negative impact on human health. Antimicrobial materials are intensely studied to prevent biodeterioration in an indoor environment. The present work seeks the green synthesis of an eco-friendly and cheap antimicrobial nano-functionalized f...Compartir:
Halloysites as carriers for Ce(III) ions in anti-corrosive paint for steel Fecha: 01/01/2023Tipo de documento: ArticuloResumen:Aluminosilicates minerals are used as inhibitive cation carriers to protect metals from corrosion. The objective of this paper was to study the anticorrosive behaviour of natural halloysite, loaded with ions Ce(III) or La(III), as carrier pigment to inhibit steel corrosion. The mineral was character...Compartir:
Extracto acuoso de cedrón como inhibidor de la corrosión del aluminio 1050 Fecha: 01/01/2023Tipo de documento: ResumenResumen:En el presente trabajo se estudia la acción protectora de este extracto cuando el aluminio 1050 es expuesto a un medio NaCl 0,1 M. El extracto se preparó a partir de hojas de cedrón secas trituradas en molinillo, realizando una extracción con agua destiladaa 60°C durante 1 hora y luego una filt...Compartir:
Nuevos materiales de zinc recuperados de pilas agotadas con propiedades antimicrobianas Autores:López, Guillermo Pablo Gallegos, María Victoria Bellotti, Natalia Peluso, Miguel Andrés Sambeth, Jorge Enrique Fecha: 01/01/2023Tipo de documento: ArticuloResumen:Este trabajo plantea la recuperación de Zinc de pilas alcalinas agotadas mediante lixiviación ácida y precipitación con Na₂CO₃, seguido en un caso por el dopaje con H₂SO₄ biogenerado y, por otro lado, conservando las condiciones iniciales de obtención. Se estudiaron las propiedades estr...Compartir:
2022
ZnO recovered from spent alkaline batteries as antimicrobial additive for waterborne paints Autores:López, Guillermo Pablo Gallegos, María Victoria Peluso, Miguel Andrés Damonte, Laura Cristina Sambeth, Jorge Enrique Bellotti, Natalia Fecha: 30/12/2022Tipo de documento: ArticuloResumen:Biocides are employed to prevent biodeterioration in waterborne paints. In the present study, we used zinc oxide nanoparticles (obtained from spent alkaline batteries) as biocide for indoor waterborne paint at 1.5% of the total solid content in paint. Two different zinc oxides synthesized from spen...Compartir:
Long-term field study of a waterborne paint with a nano-additive for biodeterioration control Fecha: 29/01/2022Tipo de documento: ArticuloResumen:Biodeterioration in building façades represents an important economic loss related to maintaining a functional protective coating system. Research papers with long-time studies on paint performance exposed to field conditions are scarce. Fungi, cyanobacteria, and algae are frequently present in bio...Compartir:
Imprimaciones a base de tanino de tara aplicadas sobre aluminio 1050 Fecha: 01/01/2022Tipo de documento: ResumenResumen:A partir de las vainas de la Tara (Caesalpinia spinosa) pueden obtenerse extractos ricos en taninos. Los extractos de los taninos comerciales T40 y T80 de Indunor han demostrado ser efectivos como inhibidores de la corrosión del acero, tanto en solución acuosa como incorporados en la formulación ...Compartir:
Synthesis of silica-based solids by sol-gel technique using lemon bio-waste: Juice, peels and ethanolic extract Autores:Cordero Castaño, Andrés Felipe Igal, Katerine Arreche, Romina Andrea Vázquez, Patricia Graciela Fecha: 01/01/2022Tipo de documento: ArticuloResumen:After the consumption of the edible part, the citrus fruits are thrown into landfills generating serious pollution and disposal problems. Therefore, the use of citrus fruits for engineering applications has a dual purpose: to generate wealth from waste as an efficient reduction of solid waste. The m...Compartir:
Síntesis de bajo impacto ambiental de levulinatos con aplicación en pinturas antiincrustantes Autores:Cerruti, Claudio Fernando Pasquale, Gustavo Antonio Ruiz, Diego Manuel Sathicq, Ángel Gabriel Pérez, Miriam Cristina Blustein, Guillermo Romanelli, Gustavo Pablo Fecha: 01/01/2022Tipo de documento: ArticuloResumen:Con el objetivo de obtener procedimientos más amigables con el medio ambiente se estudió para la reacción de ácido levulínico y 1-butanol un procedimiento que utilizó un catalizador ácido con estructura de Preyssler, reemplazando además el calentamiento térmico con el empleo de radiación c...Compartir:
Extracto acuoso de <i>Aloysia citriodora</i> como anticorrosivo para la protección del acero SAE 1010 Fecha: 01/01/2022Tipo de documento: ResumenResumen:En este trabajo se presenta el estudio de las propiedades anticorrosivas del extracto acuoso de Aloysia citriodora a diferentes concentraciones para la protección del acero SAE 1010. Para estudiar la eficiencia anticorrosiva, se realizaron ensayos de polarización lineal y de potencial de corrosió...Compartir:
Efecto del postratamiento con silanos sobre la performance anticorrosiva de películas de conversión a base de La sobre acero galvanizado Autores:Antonucci, Luisina Mendivil, Gabriel Omar Di Sarli, Alejandro Ramón Elsner, Cecilia Inés Deyá, Marta Cecilia Banera, Mauro Jonathan Fecha: 01/01/2022Tipo de documento: Objeto de conferenciaResumen:Los recubrimientos metálicos a base de cinc han sido ampliamente empleados como revestimientos anticorrosivos para prolongar la vida útil de estructuras de acero mediante protección catódica. Si bien los aceros galvanizados poseen una mayor resistencia a la corrosión atmosférica, son susceptib...Compartir:
Encapsulation and controlled release of isothiazolinones in zeolite NaY (FAU) Autores:Mardones, Lucas Emanuel Barberia Roque, Leyanet Legnoverde, María Soledad Gargiulo, Nicola Bellotti, Natalia Basaldella, Elena Isabel Fecha: 01/01/2022Tipo de documento: ArticuloResumen:NaY zeolite, an ordered, large pore molecular sieve pertaining to the FAU zeolite structural group, was studied as a novel matrix for the efficient preparation of a supported isothiazolinone-based biocide, and the results were compared to those corresponding to mesoporous silicas. To analyze the pos...Compartir:
2021
Tara Tannins as a Green Sustainable Corrosion Inhibitor for Aluminum Fecha: 22/11/2021Tipo de documento: ArticuloResumen:Tara tannin is studied as an inhibitor of aluminum corrosion, immersed in an aerated and near-neutral NaCl solution and in a wash-primer formulation. Electrochemical tests prove that tara tannins provide good corrosion resistance for aluminum, and scanning electron microscopy coupled to energy dispe...Compartir:
Estudio de las propiedades anticorrosivas sobre acero SAE 1010 de extractos acuosos de romero (<i>Rosmarinus officinalis</i>), laurel (<i>Laurus nobilis</i>) y falso incienso (<i>Plectranthus coleoides</i>) Autores:Byrne, Christian Eduardo Ramírez, Martín Di Santo, Ezequiel Cristiano, Nicol Deyá, Marta Cecilia D'Alessandro, Oriana Fecha: 11/10/2021Tipo de documento: ArticuloResumen:Las hojas de las plantas perennes Rosmarinus officinalis, Laurus nobilis y Plectranthus coleoides presentan una gran cantidad de compuestos químicos que contienen heteroátomos en su estructura. Diversos estudios han reportado que este tipo de heterocompuestos presentan una gran afinidad química p...Compartir:
Electrochemical reduction of copper complexes with glycine, alanine and valine Autores:Pary, Paola Bengoa, Leandro Nicolás Azpeitia, Leticia Anahí Seré, Pablo Ricardo Ramallo López, José Martín Bolzán, Agustín Eduardo Egli, Walter Alfredo Fecha: 01/01/2021Tipo de documento: ArticuloResumen:Basic electrochemical studies of coordination complexes between cupric ions and simple amino acids as ligands (L), namely glycine, alanine and valine, have been carried out to provide insight in the effect of complexation on Cu2+ discharge electrochemistry. The results show that there are strong dif...Compartir:
Tannin from <i>Schinopsis balansae</i> applied to the nanofunctionalization of protective antifungal coatings Fecha: 01/01/2021Tipo de documento: ArticuloResumen:Fungal physical, chemical and aesthetical deterioration can occur by microbial biofilms adhere to the surface, leading to alterations on the paints integrity. The sol–gel method affords various merits and added with biocides can be used to control paint films biodeterioration. The aim of the prese...Compartir:
Nanoparticles synthesised from <i>Caesalpinia spinosa</i>: assessment of the antifungal effects in protective systems Fecha: 01/01/2021Tipo de documento: ArticuloResumen:Green chemistry is the preferred approach for the synthesis of metal and metal oxide nanoparticles due to its environmental friendliness, feasibility, and safety to human health when compared with other chemical or physical methods. Caesalpinia spinosa is a promising resource to be applied in the gr...Compartir:
Synthesis of antimicrobial siliceous materials by adding sunflowers ashes with silver and copper particles Fecha: 01/01/2021Tipo de documento: ArticuloResumen:Microbial contamination of indoor environmental surfaces is a common source for infections. Therefore, biodeterioration in buildings indoor materials is really important to avoid, due to the negative impact on human health. Consequently, functionalized and sustainable materials are being intensively...Compartir:
Recent Applications of Heteropolyacids and Related Compounds in Heterocycle Synthesis: Contributions between 2010 and 2020 Fecha: 01/01/2021Tipo de documento: RevisionResumen:Over the past two decades, polyoxometalates (POM) have received considerable attention as solid catalysts, due to their unique physicochemical characteristics, since, first, they have very strong Bronsted acidity, approaching the region of a superacid, and second, they are efficient oxidizers that e...Compartir:
2020
Thymol bioactivity: a review focusing on practical applications Autores:Escobar Caicedo, Angélica María Pérez, Miriam Cristina Romanelli, Gustavo Pablo Blustein, Guillermo Fecha: 01/12/2020Tipo de documento: RevisionResumen:Thymol is a natural volatile monoterpenoid phenol that is the main active ingredient of oil extracted from species Thymus vulgaris L., commonly known as thyme, and other plants such as Ocimum gratissimum L., Origanum L., Carum copticum L., different species of the genus Satureja L., Oliveria decumbe...Compartir:
Alkyd based water-reducible anticorrosive paints and their antifungal potential Fecha: 24/11/2020Tipo de documento: ArticuloResumen:Concerns about ozone layer, contamination, fossils resources and health, has banned or restricted the use of traditionally organic solvents in paints. As a consequence, new resins that employed water as main solvent are being studied. Among these resins, alkyds are the most studied one as they can a...Compartir:
Green antifungal waterborne coatings based on essential oil microcapsules Autores:Revuelta, Mariana Valeria Bogdan, Sofía Gámez Espinosa, Erasmo Deyá, Marta Cecilia Romagnoli, Roberto Fecha: 14/11/2020Tipo de documento: ArticuloResumen:There is a great concern about the indoor microbial colonization especially in places that should have high standards of environmental hygiene. Besides, due it shortened the useful life of the coating by discoloration and degradation. Currently this is a problem that must be solved in an innovative ...Compartir:
Fungal deterioration of anti-corrosive coatings: Assessment by Electrochemical Techniques and Scanning Electron Microscopy Fecha: 13/11/2020Tipo de documento: PreprintResumen:Microorganisms grow on all kinds of materials, including metals, inorganic minerals and organic polymers under humid conditions. Complex community of microorganisms and their extracellular polysaccharides established as biofilm is a prerequisite for corrosion and/or deterioration of the underlying m...Compartir:
Mycological studies as a tool to improve the control of building materials biodeterioration Fecha: 31/08/2020Tipo de documento: ArticuloResumen:Fungal deterioration of building materials causes economic losses due to restoration processes and because it affects the health of the people exposed. Therefore, it is necessary to obtain highly deteriorating fungal strains to carry out studies focused on biodeterioration control. The aim of this r...Compartir:
Quantification of the distribution of cetylpyridinium chloride on the external and internal surfaces of montmorillonite: Relevance in antifungal activity assessment Autores:Yarza, Florencia Fernández Morantes, César Montes, María Luciana Bellotti, Natalia Salduondo, Joaquín Yapar, Saadet Cravero, María Fernanda Torres Sánchez, Rosa María Fecha: 10/06/2020Tipo de documento: ArticuloResumen:Two raw bentonites, from Argentina (Mt-A) and Turkey (Mt-T), rich in montmorillonite, were loaded with different concentrations of cetylpyridinium chloride (CP), ranging from 50% to 150% of their respective cation exchange capacity (CEC). Their antifungal activity was tested against Alternaria alter...Compartir:
Study of the anticorrosive properties of “quebracho colorado” extract and its use in a primer for aluminum1050 Fecha: 06/06/2020Tipo de documento: ArticuloResumen:Tannins have been used to replace chromate in wash-primers as a temporary (“in transit”) protection for metals. In the present work, the anticorrosive properties of “quebracho colorado” tannins were tested in water solution and in wash primers to protect aluminum alloy 1050. Polarization cur...Compartir:
Antifungal applications for nano-additives synthesized with a bio-based approach Autores:Gámez Espinosa, Erasmo Barberia Roque, Leyanet Folashade Obidi, Olayide Deyá, Marta Cecilia Bellotti, Natalia Fecha: 30/03/2020Tipo de documento: ArticuloResumen:Filamentous fungi are microorganisms that cause deterioration of structural materials due to their ecological plasticity and vegetative functions. Functionalised sol-gel based products can be used to control this kind of biodeterioration through the association to antifungal active additives which a...Compartir:
Self-lubricating Cu-MWCNT coatings deposited from an ecofriendly glutamate-based electrolyte Autores:Bengoa, Leandro Nicolás Seré, Pablo Ricardo Pary, Paola Conconi, María Susana Folgueiras, José Morel, Eneas Torga, Jorge Egli, Walter Alfredo Fecha: 06/03/2020Tipo de documento: ArticuloResumen:Self-lubricating coatings have been studied for a long time due to their convenience compared to systems which need periodic lubrication. For this reason, Cu-CNT composite coatings with high wear resistance and low coefficient of friction were obtained by electrodeposition from an ecofriendly alkali...Compartir:
Organo-montmorillonite with biogenic compounds to be applied in antifungal coatings Autores:Fernández, Mariela Alejandra Barberia Roque, Leyanet Gámez Espinosa, Erasmo Deyá, Marta Cecilia Bellotti, Natalia Fecha: 01/01/2020Tipo de documento: ArticuloResumen:Antimicrobial surfaces are required to obtain more hygienic indoor environments. There are biogenic compounds like terpenoids, from plant essential oils, with potential antimicrobial activity. Besides, modified montmorillonites are promising nanoscale carriers for these compounds. The aim of this re...Compartir:
Waterborne functional paints to control biodeteration Fecha: 01/01/2020Tipo de documento: Capitulo de libroResumen:Coatings are generally defined as any material (usually liquid) that may be applied as a thin continuous layer to a surface. Paint is a term traditionally used to describe a specific dispersion system constituted by pigments, binder(s) (polymer or resin), solvents, and additives. These pigmented sys...Compartir:
Electroquímica de complejos de cobre con aminoácidos con pequeñas diferencias en sus esferas de coordinación Fecha: 01/01/2020Tipo de documento: ResumenResumen:El estudio de la química y de la electroquímica de los complejos de ion cúprico con aminoácidos naturales ha sido de interés por más de 100 años. En una primera etapa el interés se fundamentó en el estudio de la interacción del cobre con los sistemas biológicos y el medio ambiente. En las...Compartir:
Caracterización electroquímica de un baño de cincado conteniendo glutamato como complejante Fecha: 01/01/2020Tipo de documento: ResumenResumen:En la actualidad los depósitos electrolíticos de Zn son obtenidos tanto a partir de baños ácidos o baños alcalinos. Los primeros proveen una mayor eficiencia mientras que los baños alcalinos en base cincato proveen mayor poder cubriente y mejor brillo. Pese a las ventajas que presentan estos ...Compartir:
Role of nanotechnology in the management of indoor fungi Autores:Gámez Espinosa, Erasmo Junior Barberia Roque, Leyanet Bellotti, Natalia Rai, Mahendra Razzaghi-Abyaneh, Mehdi Ingle, Avinash P. Fecha: 01/01/2020Tipo de documento: Capitulo de libroResumen:Fungi are ubiquitous in the environment and seek to colonize and grow on diverse materials as part of their life cycle. They constitute complex biofilms on surfaces and deteriorate the indoor air quality even under adverse conditions. They adapt well to changing humidity and temperature conditions, ...Compartir:
Efecto de la temperatura sobre el comportamiento anticorrosivo de películas de conversión a base de La Fecha: 01/01/2020Tipo de documento: Objeto de conferenciaResumen:Los recubrimientos metálicos a base de cinc, son ampliamente utilizados para la protección de estructuras de acero frente a la corrosión. En general, las piezas galvanizadas se someten a tratamientos adicionales a base de cromatos para generar películas de conversión sobre su superficie que per...Compartir:
Influencia de la temperatura sobre el desempeño anticorrosivo de películas de conversión a base de La sobre HDG Fecha: 01/01/2020Tipo de documento: ResumenResumen:Los tratamientos de conversión a base de cromatos son ampliamente utilizados para mejorar la resistencia a la corrosión de diversos metales y aleaciones. Sin embargo, debido al carácter cancerígeno del Cr(VI) y a los problemas asociados a la disposición de sus efluentes, se han incrementado las...Compartir:
Anti-adhesion and antibacterial activity of silver nanoparticles and graphene oxide-silver nanoparticle composites Autores:Gómez de Saravia, Sandra Gabriela Rastelli, Silvia Elena Angulo-Pineda, Carolina Palza, Humberto Viera, Marisa Rosana Fecha: 01/01/2020Tipo de documento: ArticuloResumen:The rise of nanotechnology has allowed the development of several inorganic nanoparticles with strong biocidal properties against bacteria, fungi, and viruses. Among them, silver nanoparticles (AgNPs) stand out as one of the most promising antimicrobial nanomaterials. Graphene oxide (GO) is another ...Compartir:
Obtención de recubrimientos de conversión de Ce para acero galvanizado por tratamiento electroquímico Fecha: 01/01/2020Tipo de documento: ResumenResumen:Tradicionalmente, el acero galvanizado es recubierto por una película de conversión a base de Cr(VI). Debido a su efecto carcinogénico y tóxico, en los últimos tiempos las investigaciones sobre recubrimientos de conversión han dirigido su atención al desarrollo de nuevas alternativas ecológi...Compartir:
2019
Hygienic coatings with bioactive nano-additives from Senna occidentalis mediated green synthesis Autores:Barberia Roque, Leyanet Folashade Obidi, Olayide Gámez Espinosa, Erasmo Viera, Marisa Bellotti, Natalia Fecha: 06/11/2019Tipo de documento: ArticuloResumen:Nowadays urban populations spend 90% of their time in buildings where microbial growth lead to hazardous environments which produce health problems characterized by irritation of the respiratory tract, infections, allergies and asthma. Some research lines seek to obtain antimicrobial materials to pr...Compartir:
Isolation and antimacrofouling activity of indole and furoquinoline alkaloids from "Guatambú" trees (Aspidosperma australe and Balfourodendron riedelianum) Autores:Pérez, Miriam Cristina Pis Diez, Cristian M. Valdez, María Belén García, Mónica Teresita Paola, Analía C. Avigliano, Esteban Palermo, Jorge Alejandro Blustein, Guillermo Fecha: 14/10/2019Tipo de documento: PreprintResumen:In this work, the antifouling activity of five alkaloids, isolated from trees of the Atlantic rainforest, was studied. The tested alkaloids were olivacine (1), uleine (2) and N-methyltetrahydroellipticine (3) from Aspidosperma australe ('yellow guatambu') and the furoquinoline alkaloids kokusaginine...Compartir:
Development and characterization of an improved formulation of cholesteryl oleate-loaded cationic solid-lipid nanoparticles as an efficient non-viral gene delivery system Autores:Limeres, María José Suñé-Pou, Marc Prieto-Sánchez, Silvia Moreno-Castro, Cristina Nusblat, Alejandro D. Hernández-Munain, Cristina Castro, Guillermo Raúl Suñé, Carlos Suñé-Negre, Josep M. Cuestas, María Luján Fecha: 01/09/2019Tipo de documento: PreprintResumen:Nanoparticle-mediated plasmid delivery is considered a useful tool to introduce foreign DNA into the cells for the purpose of DNA vaccination and/or gene therapy. Cationic solid-lipid nanoparticles (cSLNs) are considered one of the most promising non-viral vectors for nucleic acid delivery. Based on...Compartir:
Assessment of three plant extracts to obtain silver nanoparticles as alternative additives to control biodeterioration of coatings Fecha: 03/07/2019Tipo de documento: ArticuloResumen:The control of biodeterioration has led to the development of new additives for the application in coating formulations. Antimicrobial nanoparticles obtained from aqueous plant extracts are promising; it is accessible, effective, low cost and eco-friendly. The aims of this research were to assess, f...Compartir:
Physical, mechanical properties and antimicrobial analysis of a novel CaO·Al<SUB>2</SUB>O<SUB>3</SUB> compound reinforced with Al or Ag particles Autores:Gómez de Saravia, Sandra Gabriela Rastelli, Silvia Elena Ortega Avilés, Mayahued González Morán, Carlos Rocha Rangel, Enrique Miranda Hernández, José Fecha: 29/05/2019Tipo de documento: ArticuloResumen:Ceramic-metal (CaO·Al2O3–Al and CaO·Al2O3–Ag) compounds were prepared by mechanical milling and consolidated through an in-situ sintering process. The aim of this work is to study the effects of the Al and Ag particles to ceramic-base compound, primarily in the microstructure, and its mechanic...Compartir:
Increasing the effectiveness of a liquid biocide component used in antifungal waterborne paints by its encapsulation in mesoporous silicas Autores:Mardones, Lucas Legnoverde, María Soledad Monzón, Jorge E. Bellotti, Natalia Basaldella, Elena Isabel Fecha: 09/05/2019Tipo de documento: ArticuloResumen:SBA-15 and MCF mesoporous silicas were used as solid porous adsorbent for supporting a liquid commercial biocide, and the biocidal activity of the so-obtained loaded solids was checked after being incorporated in a waterborne paint. Starting from an acrylic latex free of biocidal agent, three series...Compartir:
Characterization of indoor air mycobiota of two locals in a food industry, Cuba Fecha: 01/05/2019Tipo de documento: ArticuloResumen:The aim of this work was to characterize the air mycobiota of two production plants, one of artisanal chocolate and another of products for special regimes in a food factory in Cuba at different times of the year. The air was sampled during 1 year every 25 days distributed in rainy season and non-ra...Compartir:
Functionalized zirconia compounds as antifungal additives for hygienic waterborne coatings Autores:Arreche, Romina Andrea Igal, Katerine Bellotti, Natalia Deyá, Marta Cecilia Vázquez, Patricia Graciela Fecha: 01/03/2019Tipo de documento: ArticuloResumen:The addition of silver (Ag) into the chemical synthesis of materials, transform them into materials technologically relevant to be used as antimicrobial additives. In this work, the sol-gel method was used to obtain materials based on silica and zirconia, with the inclusion of Ag. The solids were ch...Compartir:
Corrosion Performance of Conversion Treatments for Electrogalvanised Steel Sheet Fecha: 01/01/2019Tipo de documento: ArticuloResumen:Chromate conversion treatments have been widely used due to their excellent corrosion resistance properties; however, their use is increasingly restricted because of the highly toxic chromic acid solutions required, with consequent effluent disposal and ecological problems. The removal of these toxi...Compartir:
Influencia del tiempo de anodizado y del teñido químico de Al sobre el aspecto superficial (brillo y color) y su comportamiento tribológico Autores:Sixto, Guillermina Pary, Paola Seré, Pablo Ricardo Bengoa, Leandro Nicolás Egli, Walter Alfredo Fecha: 01/01/2019Tipo de documento: ResumenResumen:El aluminio tiene innumerables usos tanto en la industria de la construcción, de electrodomésticos y automotriz. Para mejorar su resistencia a la corrosión y su aspecto estético se le realiza un proceso llamado anodizado el cual consiste en generar una película de alúmina (Al2O3) en su superfi...Compartir:
Ultrasound assisted electrodeposition of Cu-SiO<SUB>2</SUB> composite coatings: effect of particles surface chemistry Fecha: 01/01/2019Tipo de documento: ArticuloResumen:Electrodeposition of Cu-SiO2 composite coatings from an alkaline non-cyanide electrolyte containing glutamate as complexing agent was studied. Silica mesoporous particles were synthesized using a modified Stöber methodology, and later their surface chemistry was changed by functionalizing them with...Compartir:
New Cyanide-free alkaline electrolyte for the Electrodeposition of Cu-Zn alloys using glutamate as complexing agent Fecha: 01/01/2019Tipo de documento: ArticuloResumen:Glutamate is a potential replacement of cyanide in alkaline electrolytes due to its capability to form complexes with bivalent metal ions. Since promising results were achieved with copper and zinc plating baths, and the use of cyanide implies environmental and safety disadvantages, it was decided t...Compartir:
Comportamiento tribológico de recubrimientos electrolíticos compuestos de Cu-NTC obtenidos en medio alcalino libre de cianuro Fecha: 01/01/2019Tipo de documento: ResumenResumen:La incorporación de partículas en un recubrimiento metálico obtenido por vía electroquímica es un fenómeno que permite la obtención de depósitos compuestos. Los mismos consisten en una matriz metálica con partículas incluidas en la misma, las cuales pueden ser cerámicas, metálicas o incl...Compartir:
Actividad biocida de tres compuestos de origen natural sobre bacterias y microalgas Fecha: 01/01/2019Tipo de documento: ComunicacionResumen:Las plantas sintetizan metabolitos que tienen propiedades antimicrobianas, son ambientalmente amigables y podrían constituir una alternativa a los antimicrobianos tradicionalmente empleados reduciendo los efectos adversos sobre el medioambiente. Se evaluó la actividad antimicrobiana y alguicida de...Compartir:
Películas de conversión de lantano: influencia del H<SUB>2</SUB>O<SUB>2</SUB> en la performance anticorrosiva Autores:Antonucci, Luisina Banera, Mauro Jonathan Mendivil, Gabriel Di Sarli, Alejandro Ramón Elsner, Cecilia Inés Fecha: 01/01/2019Tipo de documento: ResumenResumen:Los sistemas más empleados para la protección de estructuras de acero frente a la corrosión son los recubrimientos metálicos a base de cinc (Zn), aplicados por electrodeposición o inmersión en caliente (hot-dip) en baños de cinc fundido. Los recubrimientos tipo hot-dip tienen un gran número ...Compartir:
Primers based on tara and quebracho tannins for poorly prepared steel surfaces Autores:Byrne, Christian Eduardo D'Alessandro, Oriana Selmi, Gonzalo Julián Romagnoli, Roberto Deyá, Marta Cecilia Fecha: 01/01/2019Tipo de documento: ArticuloResumen:Steel panels must be protected during storage and transportation because they can corrode.This protection used to be afforded by chromate primers, but now a days tannin-based primers are being studied.These primers are not only used as protection but also as adhesion promoter if the steel surfacewas...Compartir:
Antifouling activity of peracetylated cholic acid, a natural bile acid derivative Autores:Pérez, Miriam Cristina Sánchez, Marianela García, Mónica Teresita Patiño C., Laura P. Blustein, Guillermo Palermo, Jorge Alejandro Fecha: 01/01/2019Tipo de documento: PreprintResumen:The antifouling activity of peracetylated cholic acid (1), a bile acid derivative which was isolated in a previous work as a natural product from the Patagonian sponge Siphonochalina fortis, was evaluated in laboratory and field trials. Toxicity and settlement assays were performed with the mussel M...Compartir:
2018
Pinturas epoxi base agua con fosfatos comerciales como pigmentos anticorrosivos Autores:Ríos Morgat, Valentina Lourdes Calderón, Juan Cruz Byrne, Christian Eduardo Deyá, Marta Cecilia D'Alessandro, Oriana Fecha: 01/12/2018Tipo de documento: ArticuloResumen:La aplicación de pinturas anticorrosivas es uno de los métodos de protección más ampliamente empleados para evitar la corrosión del acero. Tradicionalmente, las pinturas se han formulado con disolventes orgánicos y pigmentos anticorrosivos tóxicos. En la actualidad uno de los objetivos del á...Compartir:
Tanino de Tara (Caesalpinia spinosa) como precursor de un inhibidor de corrosión para acero SAE 1010 Tanino de Tara (Caesalpinia spinosa) como precursor de un inhibidor de corrosión para acero SAE 1010Autores:D'Alessandro, Oriana Selmi, Gonzalo Julián Byrne, Christian Eduardo Deyá, Marta Cecilia Romagnoli, Roberto Fecha: 01/11/2018Tipo de documento: ArticuloResumen:Los taninos de Tara (Caesalpinia spinosa) se han estudiado como una alternativa eficaz para la protección anticorrosiva del acero. El objetivo de su empleo es reemplazar a los pigmentos tradicionales que contienen cromo hexavalente. En este trabajo, se formularon y aplicaron imprimaciones temporari...Compartir:
Transesterification of soybean and castor oil with methanol and butanol using heterogeneous basic catalysts to obtain biodiesel Autores:Navas, Marisa Belén Lick, Ileana Daniela Bolla, Patricia Araceli Casella, Mónica Laura Ruggera, José Fernando Fecha: 01/09/2018Tipo de documento: ArticuloResumen:This paper focuses on the preparation and characterization of CaO, MgO and ZnO, both bulk and supported on γ-Al2O3 and their catalytic activity in the transesterification of soybean oil and castor oil with methanol and butanol in order to produce biodiesel. XRD, SEM, CO2-adsorption followed by TGA ...Compartir:
Protección antiincrustante de estructuras sumergidas mediante recubrimientos formulados con 7-hidroxi-4-metilcumarina Autores:Ruiz, Diego Manuel Autino, Juan Carlos Romanelli, Gustavo Pablo Pérez, Miriam Cristina García, Mónica Teresita Roldán, Juan Pablo Blustein, Guillermo Fecha: 01/07/2018Tipo de documento: ArticuloResumen:La fijación de micro y macroorganismos sobre estructuras sumergidas como embarcaciones, boyas, granjas de cultivo, plataformas offshore acarrea enormes pérdidas económicas como consecuencia del deterioro de materiales y el retiro de servicio. Dado que las regulaciones vigentes apuntan a la utiliz...Compartir:
Estudio de la actividad antifúngica de materiales conteniendo carbón proveniente de pilas en desuso Fecha: 01/07/2018Tipo de documento: ArticuloResumen:La gran cantidad de pilas que se descartan y el impacto ambiental que la inadecuada disposición de los residuos de las mismas produce impulsó a su reciclado. Tanto las pilas alcalinas como las de cinc-carbón tienen como componentes principales cinc y carbón mezclado con otros óxidos, en su rell...Compartir:
Efecto inhibidor del dióxido de germanio sobre el biofouling del puerto de Mar del Plata Fecha: 01/06/2018Tipo de documento: ArticuloResumen:Marine biofouling on any newmaterial immersed in seawater can lead to extra costs due to increased maintenance,or/and even mechanical wear, and/or biodeterioration that require costlyantifouling measures. Fouling organisms growing on immersed manmade surfacesaffect hulls, piers, buoys, aquaculture a...Compartir:
Conservation of a Wooden Tomb-Marker from the Jewish Cemetery of Algarrobos in Argentina Autores:Alfieri, Paula Vanesa Lofeudo, Rosana Canosa, Guadalupe Iloro, Fabián Traversa, Luis Pascual Fecha: 01/05/2018Tipo de documento: ArticuloResumen:The state of conservation of some tombs in the Jewish Cemetery of Algarrobos in ColoniaMauricio, Buenos Aires, Argentina was evaluated. A lot of material was found, but only twotomb-markers were done on wood. They were in a state of serious deterioration, so these were definedas an object of study. ...Compartir:
Antifungal activity of cotton fabrics finished modified silica-silvercarbon-based hybrid nanoparticles Autores:Igal, Katerine Arreche, Romina Andrea Sambeth, Jorge Enrique Bellotti, Natalia Vega-Baudrit, José R. Redondo-Gómez, Carlos Vázquez, Patricia Graciela Fecha: 01/02/2018Tipo de documento: ArticuloResumen:In this work, the one-pot sol-gel synthesis of novel siliceous matrixes doped with carbon from spent batteries is reported. The obtained solids with silver nitrate were characterized by their antifungal activity against Aspergillus sp., Cladosporium sp. and Chaetomium globosum, three well-known cell...Compartir:
Natural products to control biofilm on painted surfaces Fecha: 01/02/2018Tipo de documento: ArticuloResumen:Purpose – This paper aims to study five vegetables extracts as possible additives to control bacterial growth on indoor waterborne paints. The extracts were obtained from the weeds Raphanus sativus, Rapistrum rugosum, Sinapis arvensis, Nicotiana longiflora and Dipsacus fullonum, used in traditiona...Compartir:
Natural compounds as additives in paints for controlling algae growth Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Algae are a diverse group of photosynthetic organisms ranging from microscopic single-cell micro-organisms to very large organisms such as seaweed. Microalgae belonging to Chlorophyta (green algae) and Cianophyta (blue-green algae) commonly occur in biofilms. Actually, these phototrophic biofilms ar...Compartir:
Algal Community Structure of the Yalour Mausoleum, Cemetery of La Plata, Buenos Aires, Argentina Autores:Gómez de Saravia, Sandra Gabriela Rastelli, Silvia Elena Lofeudo, Roxana Rosato, Vilma Gabriela Fecha: 01/01/2018Tipo de documento: ComunicacionResumen:Biological communities that form biofilms on buildings and monuments can not only discolor the surface, but also produced physical and chemical alterations. Although the type of microorganisms that colonize the facades of cement construction is diverse, the analyzes carried out in situ reveal that a...Compartir:
Efecto de un biocida sobre las poblaciones microbianas en un sistema de almacenamiento de petróleo Fecha: 01/01/2018Tipo de documento: ResumenResumen:El almacenamiento es un elemento de gran valor en la explotación de los servicios dehidrocarburos debido a que actúa como pulmón entre la producción y el transporte y permite la sedimentación de agua y barros del crudo antes de despacharlo por oleoducto o a destilación. Esta sedimentación tra...Compartir:
Control del deterioro de la madera mediante la acción de nano-impregnantes y recubrimientos sol-gel a base de silanos Autores:Alfieri, Paula Vanesa Fecha: 01/01/2018Tipo de documento: Tesis de doctoradoResumen:El aumento constante del consumo de madera como material ha llevado a la necesidad de introducir en el mercado especies de crecimiento rápido las cuales poseen propiedades inferiores desde el punto de vista de la resistencia a la degradación. La extracción de madera en el pasado fue indiscriminad...Compartir:
Cobreado alcalino libre de cianuro: Influencia de la densidad de corriente, espesor y agregado de micro y nano partículas en el comportamiento tribológico del recubrimiento Fecha: 01/01/2018Tipo de documento: ResumenResumen:El cobreado alcalino a base de cianuro es ampliamente usado en galvanoplastia. El cianuro es altamente tóxico. Por esta razón, en este trabajo se reemplazó este complejante por glutamato monosódico. Se cobrearon chapas de acero con una solución de 0,2M de CuSO4.5H2O y 0,6M de C5H8NO4Na, a pH=8....Compartir:
Dendritic zinc growth in acid electrolyte: effect of the pH Autores:Bengoa, Leandro Nicolás Pary, Paola Seré, Pablo Ricardo Conconi, María Susana Egli, Walter Alfredo Fecha: 01/01/2018Tipo de documento: ArticuloResumen:In this paper, dendritic growth at the edges of electrogalvanized steel strip has been studied using a specially designed rotating washer electrode which simulates the fluid dynamic conditions and the current density distribution at the steel strip edge found in a production line. The effect of elec...Compartir:
Nanoarcillas cargadas con inhibidores ecoamigables para recubrimientos anticorrosivos Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:La protección contra la corrosión utilizando nanocontenedores cargados con inhibidores ecológicos es un enfoque prometedor prometedor. El objetivo de este trabajo es evaluar el comportamiento anticorrosivo de pigmentos inhibidores ecológicos, los cuales están basados en nanoarcillas, haloisitas...Compartir:
Modificación del color en pinturas con zirconia/Ag Fecha: 01/01/2018Tipo de documento: ResumenResumen:Las pinturas aplicadas sobre diferentes sustratos pueden verse afectadas por el biodeterioro debido al crecimiento de hongos sobre la superficie. Las pinturas higiénicas son aquellas que se formulan con aditivos antimicrobianos. Entre estos aditivos, los más estudiados son los compuestos de plata:...Compartir:
Pinturas con actividad biológica Autores:Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:Las pinturas con actividad biológica se utilizan para la protección de distintos tipos de sustratos contra la colonización y/o invasión por diferentes organismos vivos. La variedad de organismos que pueden tomar contacto con un sustrato es muy variada: bacterias, hongos, algas, organismos incrus...Compartir:
Estudio y caracterización de biopelículas fotosintéticas mediante diferentes técnicas microscópicas Fecha: 01/01/2018Tipo de documento: ResumenResumen:Las superficies expuestas al ambiente exterior soportan una gran variedad de microorganismos, organizados en complejas biopelículas, constituidas por bacterias y cianobacterias, algas verdes, protozoos, rotíferos, nematodos y una amplia variedad de hongos (Gaylarde et al 2011). Si bien algunos aut...Compartir:
Desarrollo de un baño alcalino eco-compatible para el depósito de recubrimientos de Zn brillante Autores:Baliño, Julieta Pary, Paola Bengoa, Leandro Nicolás Seré, Pablo Ricardo Egli, Walter Alfredo Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:Los baños alcalinos para el depósito de Zn son relevantes para la obtención de recubrimientos de Zn sobre acero y para baterías recargables de Zn. El objetivo de este trabajo es desarrollar un electrolito de alcalinidad moderada (pH = 9) y ecocompatible para obtener depósitos de Zn compactos ...Compartir:
Tanino de quebracho colorado chaqueño (<i>Schinopsis balansae</i>) como precursor de un inhibidor de corrosión para acero de bajo contenido de carbono Autores:D'Alessandro, Oriana Selmi, Gonzalo Julián Byrne, Christian Eduardo Deyá, Marta Cecilia Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Los taninos del Quebracho colorado chaqueño (Schinopsis balansae) se han estudiado como una alternativa para la eficaz protección anticorrosiva del acero, con el fin de reemplazar a los pigmentos tradicionales que contienen cromo hexavalente, altamente cuestionado por su toxicidad y carcinogenicid...Compartir:
Síntesis y caracterización de “tanatos” de lantano como inhibidores de la corrosión Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Los taninos son polifenoles sintetizados por las plantas. Se encuentran en la madera del Quebracho (Schinopsis balansae), los frutos de la Tara (Caesalpinia spinosa), etc. Han sido incorporados en la industria de la pintura como agentes “antifouling” y como inhibidores de la corrosión en soluci...Compartir:
Generación de películas de conversión de La por tratamiento electroquímico Autores:Elsner, Cecilia Inés Banera, Mauro Jonathan Antonucci, Luisina Mendivil, Gabriel Omar Rubert, Aldo Alberto Di Sarli, Alejandro Ramón Fecha: 01/01/2018Tipo de documento: ResumenResumen:Los tratamientos superficiales a base de cromatos son ampliamente utilizados con el fin de evitar la corrosión de metales y aleaciones tales como el acero, aluminio, acero galvanizado, etc. Si bien estas películas son muyefectivas, la alta toxicidad asociada al Cr(VI) genera la necesidad de desarr...Compartir:
Low Density Wood Impregnation with Water-Repellent Organosilicic Compounds Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Many protective treatments for low density wood are applied by impregnation to give water-repellency and to control pathologies that usually have this substrate. The properties of Araucaria angustifolia, chemically modified by impregnation with methyltriethoxysilane, n-octyltriethoxysilane and mixtu...Compartir:
Evaluation of desulfovibrio adherence on three different polymeric coatings Autores:Viera, Marisa Rastelli, Silvia Elena Gómez de Saravia, Sandra Gabriela Nicolino, S. Rodríguez Bauzada, V. Bruno, S. Zapponi, M. Castro, Pablo Francisco Fecha: 01/01/2018Tipo de documento: ResumenResumen:Microbiological Induced Corrosion is a big concern in oil and gas market, mainly in water injectors and disposal wells in which the alternative of candidate materials are CRA´s with very high PREM (Pitting Resistance Equivalent Number) or coated carbon steel....Compartir:
Protección contra la corrosión de "Galvanneal" mediante la aplicación de silanos: Estudio electroquímico Fecha: 01/01/2018Tipo de documento: ResumenResumen:Por su bajo costo y excelente soldabilidad, el "Galvanneal" (acero galvanizado recocido) es muy utilizado en la industria automotriz (1). El "Galvanneal" sufre corrosión "cosmética" como semielaborado por contener hierro que produce declasado (2). Se estudio la protección contra la corrosión tem...Compartir:
Cobreado alcalino sin cianuro: evaluación de aditivos en celdas de uso industrial Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:Se cobrearon piezas de acero de distintas geometrías para lo cual se utilizaron dos tipos de celdas; tambor rotativo y tipo “rack” de cátodo oscilante. Como complejante se utilizó glutamato de sodio en reemplazo del cianuro. Se evaluaron tres aditivos (tetraetilenpentamina, polyquaternium-2 y...Compartir:
Preparation and characterization of silanes films to protect electrogalvanized steel Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Silanes are an interesting alternative to chromate-based surface treatments for temporary protection of electrogalvanized steel. In this work, the protective behavior of 3-mercaptopropyltrimethoxysilane (MTMO), 3-aminopropyltriethoxysilane (AMEO), or 3-glycidoxypropyltrimethoxysilane (GLYMO) films ...Compartir:
Lanthanum Derivative from “Tara” Tannin for Steel Temporary Protection Autores:D'Alessandro, Oriana Selmi, Gonzalo Julián Deyá, Marta Cecilia Di Sarli, Alejandro Ramón Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Tannins are extracted from certain plants and contain numerous phenol groups. They may be employed, together with their derivatives, to formulate protective coatings due to their inhibitive properties. The objective of this research was to synthesize lanthanum “tannates”, to formulate washprimer...Compartir:
Formulation and assessment of Wash-Primer containing lanthanum tannate for steel temporary protection Autores:D'Alessandro, Oriana Selmi, Gonzalo Deyá, Marta Cecilia Di Sarli, Alejandro Ramón Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: ArticuloResumen:Tannins are polyphenols synthesized by plants and useful for the coating industry as corrosion inhibitors. In addition, lanthanum salts have a great inhibitory effect on steel corrosion. The aim of this study was to obtain lanthanum ‘‘tannate’’ with adequate solubility to be incorporated as ...Compartir:
Zeolites as reservoirs for Ce(III) as passivating ions in anticorrosion paints Autores:Roselli, Sol Natacha Deyá, Marta Cecilia Revuelta, Mariana Valeria Di Sarli, Alejandro Ramón Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: ArticuloResumen:The aim of this paper was to evaluate the performance of two different modified zeolitic minerals as anticorrosion pigments in order to reduce or eliminate zinc phosphate in paints. In the first stage, the selected minerals were characterized and modified with cerium ions to obtain the anticorrosion...Compartir:
Silanes as adhesion promoters in waterborne epoxy paints Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:The aim of this work was to study mercaptopropyltrimethoxysilane (MTMO), aminopropyltrimethoxy silane (AMEO) glycidoxypropyltrimethoxysilane (GLYMO) and glycidoxypropyltriethoxysilane (GLYEO) as adhesion promoters between an epoxy waterborne paint and electrogalvanized steel. The metallic substrate ...Compartir:
Wash-primers formulations for painting: Steel substrates with poor surface preparation Autores:Byrne, Christian Eduardo D'Alessandro, Oriana Selmi, Gonzalo Julián Deyá, Marta Cecilia Romagnoli, Roberto Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:The objective of this research was to formulate two wash-primers containing “quebracho” tannin and the corresponding lanthanum “tannate” derivative. The primers were applied on rusted steel and on cold rolled steel surface as they stand after the production process. The primed panels were ex...Compartir:
Triplex systems: Accelerated and outdoor tests Fecha: 01/01/2018Tipo de documento: ArticuloResumen:The protective paint/galvanized steel system is called duplex and it is claimed that protects steel from corrosion synergistically. The triplex system adds a pretreatment between the paint and the substrate in order to enhance the corrosion protection or paint adhesion. In this work, the behavior ag...Compartir:
Natural compounds as potential algaecides for waterborne paints Fecha: 01/01/2018Tipo de documento: ComunicacionResumen:To eliminate and prevent the formation of phototrophic biofilms on painted walls, chemicals are added to paints. These chemicals, in general, also have toxic effects on the environment. Plants synthesize secondary metabolites which have antimicrobial properties and that may be a sustainable alternat...Compartir:
Effect of AgNPs and AgNPs-go on the bioadhesion of <i>Pseudomonas aeruginosa</i> on stainless steel surfaces Autores:Rastelli, Silvia Elena Angulo Pineda, Carolina Palza, Humberto Viera, Marisa Gómez de Saravia, Sandra Gabriela Fecha: 01/01/2018Tipo de documento: Objeto de conferenciaResumen:With the aim of incorporating nanohybrid materials in antimicrobial coatings, the inhibition of the adhesion of Pseudomonas aeruginosa on 430 AISI stainless steel coupons exposed to AgNPs and AgNPs-GO solutions was studied. AgNPs were obtained by green synthesis, while AgNPs-GO by exsitu and in-situ...Compartir:
