Exploració per tema "Chemical reactions"

Ara es mostren els items 1-20 de 22

    • 4-Mercaptophenyldiphenylphosphine as linker to immobilize Pd onto the surface of magnetite nanoparticles. Excellent catalytic efficiency of the system after partial linker removal 

      Guarnizo, A; Angurell Purroy, Inmaculada; Rosell, Monica; Llorca Piqué, Jordi; Müller Jevenois, Guillermo; Seco, M; Rossell Alfonso, Josep Oriol (2015-10-27)
      Article
      Accés obert
      This journal is © The Royal Society of Chemistry. The molecule 4-mercaptophenyldiphenylphosphine (Sdp) has been synthesized for use as a linker to immobilize Pd nanoparticles onto the surface of magnetite nanoparticles. ...

    • A new CVD diamond mosaic-detector for (n, a) cross-section measurements at the n_TOF experiment at CERN 

      Weiß, C.; Griesmayer, E.; Guerrero, C.; Altstadt, S.; Andrzejewski, J.; Audouin, L.; Badurek, G.; Barbagallo, M.; Bécares, V.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández-Prieto, A.; Riego Pérez, Albert (2013-08-02)
      Article
      Accés restringit per política de l'editorial
      At then_TOFexperimentatCERNadedicatedsingle-crystalchemicalvapordeposition(sCVD)Diamond Mosaic-Detectorhasbeendevelopedfor(n,α) cross-sectionmeasurements.Thedetector,characterized by anexcellenttimeandenergyresolution, ...

    • Avaluació eficient dels residus de productes absorbents d’higiene personal a través d'una nova combinació d'un reactor autoclau i la gasificació 

      Jover Vilaró, Pol (Universitat Politècnica de Catalunya, 2015-01)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Fater
      El present Treball de Final de Grau s’ha realitzat durant l’estada a l’empresa Fater S.p.A. a la ciutat de Pescara, Itàlia. Aquest treball forma part d’un projecte europeu anomenat VIRGIN (Highly-efficient ValorIsation of ...

    • Chemical processing routes based on reaction pathways 

      Bertran Subirana, Maria-Ona (Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet, 2013)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Danmarks tekniske universitet
      The integration of reaction and separation tasks in one process unit represents a potential advantage for overcoming reaction limitations, such as reaction equilibrium. The design of reactive separation units based on ...

    • CuZn/ZrO2 catalytic honeycombs for dimethyl ether steam reforming and autothermal reforming 

      Ledesma Rodriguez, Cristian; Llorca Piqué, Jordi (Elsevier, 2013-02)
      Article
      Accés restringit per política de l'editorial
      Dimethyl ether (DME) steam reforming simulating practical applications was tested over catalytic honeycombs coated with ZrO2 and loaded with different amounts of Cu and Zn. The best catalytic performance in terms of ...

    • Design of a RGB-Arduino device for monitoring copper recovery from PCBs 

      Morell Llorens, Joan; Escobet Canal, Antoni; Dorado Castaño, Antonio David; Escobet Canal, Teresa (2023-04-24)
      Article
      Accés obert
      The mobile phone industry, one of the fastest advancing sectors in production over the last few decades, has been associated with a high e-waste generation rate. Simultaneously, a high demand for the production of new ...

    • Equilibrium of simultaneous tert-amyl ethyl ether and tert-amyl alcohol formation reactions 

      Fitó Tarragó, Andreu (Universitat Politècnica de Catalunya / Teknillinen Korkeakoulu ( Helsinki University of Technology), 2008)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Flamelet mathematical models for non-premixed laminar combustion 

      Carbonell Sánchez, Daniel; Pérez Segarra, Carlos David; Coelho, P.J.; Oliva Llena, Asensio (2009-02-01)
      Article
      Accés restringit per política de l'editorial
      Detailed numerical calculations based on the solution of the full transport equations have been compared with flamelet calculations in order to analyse the flamelet concept for laminar diffusion flames. The goal of this ...

    • Gel reaction flow patterns in a non-element reactor with two branch flows 

      Rodríguez Vallinas, Diego (Universitat Politècnica de Catalunya / Keio University, 2017-07)
      Projecte Final de Màster Oficial
      Accés obert
      In the framework of chemical and energy engineering fluids have been the subject of many studies for a lot years. In some cases, these fluids upon contact form gels. These gels have many applications like medical, ...

    • Métodos actuales de revalorización de plásticos por medio del reciclaje químico 

      Fernández Codina, Rocío (Universitat Politècnica de Catalunya, 2023-09-14)
      Projecte Final de Màster Oficial
      Accés obert
      Aquest treball té per objectiu general descriure els mètodes actuals de revaloració de plàstics per mitjà del reciclatge químic. Després d'un fonament teòric on s'exposen els conceptes bàsics sobre els plàstics i polímers, ...

    • Molècules en acció : del big bang als materials del futur 

      Duran, Xavier (Universitat Politècnica de Catalunya, 2010)
      Llibre
      Accés obert
      L'origen de la vida, la forma com els animals s'atreuen o com les plantes es defensen, els mecanismes del càncer, les addiccions, la composició dels pigments de les obres d'art, la forma d'obtenir vehicles més segurs, ...

    • New bio-based materials obtained by thiol-ene/thiol-epoxy dual curing click procedures from eugenol derivates 

      Guzman, Dailyn; Ramis Juan, Xavier; Fernández Francos, Xavier; de la Flor López, Silvia; Serra Albet, Maria Àngels (2017-08)
      Article
      Accés obert
      Novel bio-based and dual-curable thermosets were prepared from eugenol derivatives. The curing sequence combined two click reactions, a photoinduced radical thiol-ene reaction followed by a thermally activated thiol-epoxy ...

    • New epoxy thermosets derived from clove oil prepared by epoxy-amine curing 

      Santiago Abraira, David; Guzmán, Dailyn; Ramis Juan, Xavier; Ferrando Piera, Francesc; Serra Albet, Maria Àngels (Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-01)
      Article
      Accés obert
      New thermosets from a triglycidyl eugenol derivative (3EPOEU) as a renewable epoxy monomer were obtained by an epoxy-amine curing process. A commercially-available Jeffamine® and isophorone diamine, both obtained from ...

    • Nuevos termoestables obtenidos mediante procesos duales basados en reacciones tipo "Click" con tioles 

      Serra Albet, Maria Àngels; Ramis Juan, Xavier; Acebo Gorostiza, Cristina; Guzman, Dailyn; Belmonte-Parra, Alberto; Fernández Francos, Xavier; Flor López, Sílvia de la (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Numerical study on Taylor flow in monolithic reactors 

      Tauste Campo, Ignasi (Universitat Politècnica de Catalunya / Technishe Universität Dresden, 2008)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Procés de fabricació del BHT 

      Llorens Gibert, Nil (Universitat Politècnica de Catalunya, 2015-01)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      L’objectiu del projecte és avaluar, de manera teòrica, la viabilitat industrial del procés de fabricació del 2,6-ditert-butil-4-metil-fenol, conegut com BHT, a partir de fenol. S’estudien les diverses vies de reacció ...

    • Room-temperature Suzuki-Miyaura reaction catalyzed by Pd supported on rare earth oxides: Influence of the point of zero charge on the catalytic activity 

      Amoroso, Francesco; Colussi, Sara; del Zotto, Alessandro; Llorca Piqué, Jordi; Trovarelli, Alessandro (2013-06-01)
      Article
      Accés restringit per política de l'editorial
      Five Pd/REO (rare earth oxide) compounds (Pd/La2O3, Pd/CeO2, Pd/Pr6O11, Pd/Sm2O 3, and Pd/Gd2O3) have been successfully used as precatalysts in the Suzuki-Miyaura C-C cross-coupling reaction of aryl bromides with arylboronic ...

    • Sequential curing of off-stoichiometric thiol-epoxy thermosets with a custom-tailored structure 

      Fernández Francos, Xavier; Konuray, Ali Osman; Belmonte, Alberto; de la Flor López, Silvia; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2016-01-01)
      Article
      Accés obert
      A new dual-curing system based on sequential thiol-epoxy click polycondensation and epoxy anionic homopolymerization was studied. Formulations of diglycidyl ether of bisphenol A and trimethylolpropane tris(3-mercaptopropionate) ...

    • Sequential dual curing by selective Michael addition and free radical polymerization of acetoacetate-acrylate-methacrylate mixtures 

      Konuray, Ali Osman; Ruiz, Anna; Morancho Llena, José María; Salla Tarragó, José María; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2018-01)
      Article
      Accés obert
      A new family of poly(keto ester)-poly(methacrylate) thermosets based on off-stoichiometric acetoacetate-acrylate/methacrylate formulations has been prepared and characterized. The first stage of curing is a self-limiting ...

    • State of the art in dual-curing acrylate systems 

      Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2018-02-12)
      Article
      Accés obert
      Acrylate chemistry has found widespread use in dual-curing systems over the years. Acrylates are cheap, easily handled and versatile monomers that can undergo facile chain-wise or step-wise polymerization reactions that ...