Universidad de Alcalá-OTRI posted this:New organo-metallic catalysts for the manufacture of polymersA research group from the Inorganic Chemistry Department of Alcalá University has developed a technology that presents a range of catalysts based on coordination complexes and organometallic, active in functionalization processes (expoditation, hydrosilylation) and polymerization of different organic substrates (olefins and cyclic esters). They are metal complexes belonging to the first transition groups (groups 4-6) and elements from the main groups (groups 1,2 and 13). Its application is aimed at the synthesis of materials with new properties (silicon polymers, biodegradable plastics, polyesters) and the production of small molecules with high added value, used as starting products in many industrial processes (epoxides, silanes). The group is looking for manufacturing agreements and joint venture agreements with companies from the agrofood industry, construction and petrochemicals.
uacoopera posted this:Low Cost Minimum Quantity of Lubricant SystemA group of researchers from a Portuguese university has developed a system of "Minimal Quantity of Lubricants" fully functional and automated. The term MQL, "Minimal Quantity of Lubricant", refers to the use of a low lubricant flow (10 to 100 mL / hr) through a high pressure fluid (compressed air). This system is an alternative to most lubrication systems used in machining operations, with both economically and ecological level advantages, contributing to sustainable manufacturing. This system stands out for its optimal functioning, automation, low cost and good portability. It allows a good lubrication and a good cooling of the machined piece, dry chips, a cleaner desktop, thus ensuring a higher yield and environmental improvement.
Universidad de Alicante posted this:Multicapillary nebulizer for simultaneous nebulization of two or more liquids A Spanish university research group has developed a new pneumatic multicapillary nebulizer which allows the simultaneous nebulization of two or more liquids, miscible or immiscible between them. This device offers the possibility of simplifying the analysis process, reducing the consumption of resources and a high mixing efficiency is achieved. A laboratory-constructed prototype is available for any demonstration. The research group is looking for companies interested in license agreement.
uacoopera posted this:Manufacturing method of metal foams and porous metals metal matrix nanocomposites with nanometric dispersoids uniformly distributed and their uses (vehicle applications, houses, machinery, equipment and devices with superior performance)A group of researchers from a Portuguese university developed an innovative method for manufacturing a new generation of closed-cell metal foams reinforced with nanodispersoids combining the powder technology method with colloidal processing. The invention respects to a product with excellent energy absorption capacity to impact and sound damping for vehicle applications, houses, machinery, equipment and devices with superior performance.
DIT Hothouse posted this:iSeal: Advanced Surface Treatment for Protection against TribocorrosionThis invention is based on the application of a hybrid organic/inorganic treatment onto an exposed surface – either as a stand-alone treatment or as a sealant. The treatment is applied using an electrochemical deposition technique, allowing for the development of conformal coatings, irrespective of design complexity. Layer thicknesses are low (10-100nm) but resistance in corrosive marine environments indicate corrosion rates comparable to technologies currently employed by the aerospace and automotive industries. Corrosion rates are reduced by between 103 and 105 times, dependant on the nature of the porous coating. Tests on metallic coatings indicated a reduction in corrosion rates of approximately 103-104 while tests on ceramic coatings indicated a reduction in corrosion rates of approximately 105. By applying the hybrid treatment as a sealant treatment onto a porous wear resistant coating, concerns regarding the effect of mechanical damage are dramatically reduced. In addition, surface roughness levels are similar to electropolished finishes.
Fundació URV posted this:Acrylic thermosets prepared by dual curing at room temperature fit for coatings and adhesivesFormulations for the preparation of thermosets by dual curing, at room temperature in two stages, stable over time, from the reaction of amine compounds with 2 or more N-H bonds with a vinyl compounds with a minimum of 2 double α, β- conjugated bonds to carbonyl ester groups and further polymerization of vinyl groups in excess, with completely controlled characteristics of the material at the intermediate stage.
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Yissum - Research Development Company of the Hebrew University posted this:Nanoparticle Coatings Based on Hydrogen Peroxide Sol-Gel Processing of Metal OxidesCluster2 Platform technology for wet chemistry coatings of oxides Keywords: process, wet chemistry, batteries, transition metals, Project ID : 9-2010-2490
Universidad de Alicante posted this:Black titanias for photocatalysis, solar cells and environmental applications• The titania is black, and then absorb in the whole visible range (band gap 2.74 eV) and maintains its photocatalytic activity at least after 5 cycles reaction with an efficiency of 95 %. • The synthesis process is simple, inexpensive and versatile (a wide variety of functional compounds can be incorporated in the structure of the titania lattice avoiding blocking the mesoporosity and maintaining the anatase structure). • Excellent thermal and hydrothermal stability. The functionality is incorporated into the structure of the titania being protected thereby.
Universidad de Alicante posted this:New family of dyesThe main innovative aspects of this technology regarding current methods of synthesis are: • The indolizine dyes are obtained in one step from commercially available materials, unlike current procedures, which involve multiple steps. This is an advantage in the production process, as it reduces costs, increases the final yield and less waste is generated. • The procedure is based on a very simple treatment which produces indolizine dyes in yields higher than 70%. • The present invention does not require the use of inert atmosphere, dry solvents or physical activation (heat or radiation) to obtain the final product. • Unlike other methodologies for preparing indolizine dyes (requiring temperatures around 100°C), this process is carried out at room temperature and atmospheric pressure, which simplifies the method and decreases production costs. • This is an environmentally friendly technology because it does not use solvents such as dioxane, pyridine, chloroform or benzene, which are used in other methods and are characterized by their high toxicity and demonstrated carcinogenicity. • The selectivity of the reaction is very high. The indolizine dye is obtained with absolute control, obtaining a single isomer of the ten possible.
uacoopera posted this:PCM Smart Window Protection SystemComparatively with the typical window shading solutions, the present innovation can store energy in different working positions, without blocking out the direct radiation or direct sunlight into the interior of the building spaces. The developed system uses phase change materials (PCMs), not only in the window protection but also for the complete shutter solution, which allows its optimization and uniqueness for solar gains. The system developed is adaptable to any type of weather conditions.
uacoopera posted this:Tungsten carbide based composite material, the appropriate method of production and applicationThe preferential production method of the composite material involves the sputtering for the modification of the particle surface by coating them with a nanocrystalline layer of iron-rich metallic binder with variable thickness. The rest of the processing follows the traditional powder metallurgy routes with pressing and sintering in a vacuum furnace. After processing, the composite contains tungsten carbide phase, eta-phase and iron rich binder.
Universidad de Alicante posted this:Low cost sensors for the detection of gaseous hydrogen• New simple preparation method which does not require sophisticated instrumental techniques. • The procedure use low-cost materials and optimizes the loading of the metals employed. • This technology is efficient, producing robust and reliable sensors with high signal-to-response ratio and low cost. • The CNT and nanoparticle suspensions needed are stable and may be stored over long periods of time.