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Photocatalytic Activity of Immobilized Nano-TiO2 in Complex Wastewaters: Case Study of Multiple Dye Composition

Bellè U., De Flaviis L., Diamanti M.V., Ormellese M., Pedeferri M., Politecnico di Milano, IT
Titanium dioxide (TiO2) is widely investigated for its photocatalytic properties and for the possibility of obtaining nanotubular oxide films with high specific surface area directly immobilized on a substrate. In the present work, nanotubular TiO2 [...]

Design of Experiment Based Prediction of Passivity Breakdown Potential for 304L Stainless Steel

Azimi Dastgerdi A., Bellè U., Brenna A., Ormellese M., Pedeferri M., Bolzoni F., Politecnico di Milano, IT
Stainless steels usually have a good corrosion resistance because of the protective passive film that forms on the surface, however they are prone to localized corrosion (pitting and crevice) due to the breakdown of passive [...]

Sustainable and Versatile Functionalization of Graphene Layers

Galimberti M., Barbera V., Bernardi A., Locatelli D., Prioglio G., Politecnico di Milano, IT
Graphene layers were functionalized by using a sustainable, versatile, easily scalable method. Functionalizing agents were prepared through the reaction of a dicarbonyl compound with a variety of primary amines and were mixed and heated in [...]

Waterborne Hybrid Silica-Alumina Coating to Increase Poplar Wood Application Opportunities

Del Curto B., Politecnico di Milano, IT
Environmental sustainability and health issues are important factors to be considered in developing new coating materials. Sol-gel is a widely studied procedure that represents also a sustainable one, due to the mild process temperature and [...]

Poly-Paper: an Innovative Thermoplastic Eco-Composite Material Recyclable with Paper and Cardboard

Del Curto B., Politecnico di Milano, IT
Environmental, economic, technical and legislative issues can be considered drivers for the development of bio-based and/or biodegradable plastics. According to this numerous studies have been focused on the development of packaging materials based on circular [...]

Characterization of durability and photocatalytic properties of TiO2 cement-based materials

Luongo N., Massari S., Spagnolo S.L., Diamanti M.V., Daniotti B., Pedeferri M.P., Politecnico di Milano, IT
The issue of maintenance is steadily emerging in the framework of the built environment, with a specific focus on durability and service life planning and sustainability evaluations, as the definition of a maintenance plan for [...]

Photocatalytic activity of nanotubular TiO2 films obtained by anodic oxidation: a comparison in gas and liquid phase

Sanabria B.E., Strini A., Schiavi L., Diamanti M.V., Pedeferri M.P., Politecnico di Milano, IT
The immobilization of nanostructured photocatalysts is of great importance in the purification of both polluted air and liquids (e.g. industrial wastewaters). Titanium dioxide films with nanotubular morphology and good photocatalytic efficiency in both environments can [...]

Enhancement of pure titanium localized corrosion resistance by chemical oxidation

Prando D., Brenna A., Diamanti M.V., Ormellese M., Pedeferri M.P., Politecnico di Milano, IT
Titanium and its alloys are widely appreciated for their high corrosion resistance in environments that are critical even for high-end stainless steel (duplex UNS S31803 and UNS S32750), such as concentrated chlorides [1]. This resistance [...]

Self-Activated Morphing Carbon Fiber Composites Via Cyclic Internal Stresses

Casalotti A., Lanzara G., University of Roma Tre, IT
An innovative concept to exploit self-activated morphing composite materials is presented and demonstrated experimentally. In this design, shape changes of a carbon fiber composite are achieved by combining two key ingredients: fibers orientation and temperature-sensitive [...]

Strain sensing with CNT nanocomposites: static, cyclic and dynamic electromechanical material characterization.

Magnafico E., Casalotti A., Karimzadeh M., Chytanya Chinnan K., Lanzara G., University of Rome, Roma Tre, IT
Carbon Nanotube (CNT) nanocomposites are one of the most important candidates to realize innovative strain sensors for Structural Health Monitoring (SHM) applications. In this work, sensors were made of Multi-walled Carbon Nanotubes (MWNTs) embedded in [...]

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