Listar FRLP - I+D+i - CENTROS - CITEMA - TRABAJOS DE INVESTIGACIÓN por título
Mostrando ítems 1-20 de 45
-
Adherence in a pavement rehabilitated with a polymeric grid used as interlayer
(Elsevier, 2014-01-02)A polymeric grid was placed between layers of a pavement with the aim of preventing the reflection of cracks from the base material to the upper layer. Results explain why the usual faults that occur in rehabilitated ... -
Characterization of anodes for lithium ion batteries
(Springer, 2015-08-14)The lithium-ion batteries are energy storage systems of high performance and low cost. They are employed in multiple portable devices, and these require the use of increasingly smaller and lighter batteries with high energy ... -
Chitosan-graft-poly(n-butyl acrylate) copolymer Synthesis and characterization of a natural synthetic hybrid material
(2016)Two chitosan polymers with different deacetylation degree and molecular weight were subjected to graft- ing reactions with the aim to enhance the properties of these bio-based materials. Specifically, n-butyl acrylate in ... -
Decay resistance and dimensional stability of Araucaria angustifolia using siloxanes synthesized by solegel process
(Elsevier, 2013-05-16)Solid wood specimens of Araucaria angustifolia were impregnated with alkoxysilanes hydrolyzed and condensed “in situ” by the solegel process. Alkoxysilanes selected were aminopropyl methyldiethoxysilane and aminopropyl ... -
Dimensional stability, fire performance and decay resistance in wood impregnated with alkylalkoxysilanes
(2013-11-20)The wood, very heterogeneous and complex material, changes its volume by water absorption or desorption causing swelling or shrinkage and also it can be degraded both by action of microorganisms and fire; the above-mentioned ... -
Efectos de la membrana de intercambio de protones en el desempeño de una celda de combustible H2 O2
(Revista Tecnología y Ciencia UTN, 2016)Una celda de combustible convierte directamente la energía química de un combustible en electricidad. Su desempeño depende de diferentes parámetros tales como el espesor de la membrana intercambiadora de protones, el ... -
Effect of antioxidant active films on the oxidation of soybean oil monitored by Fourier transform infrared spectroscopy
(2014)An active film prepared from waterborne polyurethane incorporated with different concentrations of butylated hydroxytoluene (BHT) and a-tocopherol was developed, and the films’ antioxidant character- istics were studied ... -
Effect of cobalt electroless deposition on nickel hydroxide electrodes
(Elsevier, 2014-02-21)The effects of cobalt additive on the positive electrode surface of nickel alkaline batteries are investigated. Electrode surface modifications by electroless cobalt deposits were made at different immersion times. The ... -
Effect of water content in the gas diffusion layer of H2 O2 PEM fuel cell
(Journal of Materials Science and Engineering, 2016)The heart of a fuel cell is the membrane-electrode assembly consisting of two porous electrodes, where the electrochemical reactions take place, and the ionomer conductive membrane, which allows the proton exchange from ... -
Electrochemical characterization of MWCNT Ni(OH)2 composites as cathode materials
(Springer, 2015-09-04)The hydrothermal method was used to synthesize multi-walled carbon nanotube/nickel hydroxide composites (MWCNT/Ni(OH)2). The structure and morphology of the prepared materials were characterized by X-ray diffraction and ... -
Electrochemical characterization of nickel hydroxide nanomaterials as electrodes for NiMH batteries
(Springer, 2016-08-23)β-Nickel hydroxide was successfully synthesized by a hydrothermal method. Nano-nickel hydroxide material was characterized by X-ray diffraction, infrared absorption spectroscopy, and transmission electron microscopy. They ... -
Electrochemical performance comparison of MWCNTs Ni (OH)2 composite materials by two preparation routes
(Springer, 2017)Carbon materials are used to improve the nickel hydroxide electrode capacity in rechargeable alkaline batteries. Herein, we present the preparation of multiwall carbon nanotubes/nickel hydroxide composites (MWCNTs/Ni ... -
Encapsulación de compuestos biocidas en materiales silíceos mesoporosos
(Investigación Joven, 2015)Se llevó a cabo la síntesis de materiales silíceos mesoporosos con diferentes grados de ordenamiento (SBA-15, MCF). Se estudió su uso como matrices estabilizadoras de un biocida comercial. Mediante adsorción/desorción de ... -
Estudio de diferentes condiciones de síntesis para la obtención de zeolita NaA a partir de cenizas volantes
(Investigación Joven, 2015)En este trabajo se propuso zeolitizar una ceniza volante industrial a través de un proceso hidrotermal. Para ello, se probó mejorar su reactividad sometiéndola a un pretratamiento de calcinación en presencia de compuestos ... -
Evaluation of pH-sensitive poly(2-hydroxyethyl methacrylate-co-2- (diisopropylamino)ethyl methacrylate) copolymers as drug delivery systems for potential applications in ophthalmic therapies ocular delivery of drugs
(2015)Smart polymers like pH sensitive systems can improve different pharmacological treatment. In this work the behavior of copolymers containing 2-hydroxyethyl methacrylate (HEMA) with different proportions of 2-(diisopropyl ... -
Evaluation of pH-sensitive polyurethane 2-diethylaminoethyl methacrylate hybrids potentially useful for drug delivery developments
(2015)Smart sensitive polymers have been used to improve processes in drug delivery. In this article, we evaluate the behavior of polyurethane/N,N-diethylaminoethyl methacrylate hybrids (PU/DEA) as pH- responsive polymers ... -
Fibras de refuerzo en pinturas y recubrimientos : parte I
(Atipat, 2016-04-01)La mayoría de las tecnologías modernas requiere materiales con una combinación inusual de propiedades, imposibles de diseñar con los existentes en forma individual. Esta necesidad es muy evidente en aplicaciones espaciales, ... -
Fibras de refuerzo en pinturas y recubrimientos : parte II
(Atipat, 2016-04-01)Establecida la naturaleza electroquímica de la mayoría de los procesos de corrosión, la tecnología de las pinturas anticorrosivas se orienta en el sentido de formular productos destinados ya sea a controlar el desarrollo ... -
Fibras de refuerzo en pinturas y recubrimientos : parte III
(Atipat, 2017-05-01)El fuego es una manifestación energética que acompaña constantemente a la actividad humana, por lo que debe asumirse el riesgo emergente. El fuego desarrolla reacciones químicas fuertemente exotérmicas, iniciándose cuando ... -
High solids, one coat paints based on aliphatic epoxi resin siloxanes for steel protection
(Elsevier, 2014-05-01)This research involved the design of high-solids, one-coat paints for the protection of metal structures with low maintenance requirements. The main paint components were: (i) an aliphatic epoxy resin cured with an ...