Enviaments recents

  • Synthesis and characterization of new fully bio-based poly(acylhydrazone) vanillin vitrimers 

    Roig, Adrià; Petrauskaité, Aina; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2022)
    Comunicació de congrés
    Accés obert
    New acylhydrazone vitrimeric-type materials have been studied. These materials can be efficiently relaxed, without the addition of an external catalyst, through an exchange process that has been confirmed as imine metathesis, ...
  • Nous politiouretans hibrids tipus vitrimèric. sintesi i caracterització 

    Guerrero, Federico; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2022)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    La preparació de materials híbrids orgànics-inorgànics és una de les estratègies utilitzades per millorar les propietats mecàniques i obtenir materials polimèrics d’altes prestacions. Aquest materials combinen la duresa i ...
  • New bio-based poly(acylhydrazone) vitrimers: synthesis and characterization 

    Roig, Adrià; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2022)
    Comunicació de congrés
    Accés restringit per política de l'editorial
  • Appplication of renewable thiols in the preparation of poly(thiourethane) covalent adaptable networks 

    Guerrero, Federico; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2022)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    One of the industries most dependent on fossil fuels is the polymer industry: over 99% of polymer production uses monomers derived from oil and gas. For this reason, polymers derived from biomass (biopolymers) are widely ...
  • Preparation of New Vitrimeric Materials Based on Glycidyl Vanillin-imines 

    Roig, Adrià; Petrauskaité, Aina; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2022)
    Comunicació de congrés
    Accés obert
    The current exponential growth of the human population is associated with a degradation of the environment. In terms of lack of degradability and persistence in the environment, increasing attention is being paid to polymers. ...
  • Synthesis and characterization of new fully bio-based poly(acylhydrazone) vanillin vitrimers 

    Roig, Adrià; Petrauskaité, Aina; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2022)
    Text en actes de congrés
    Accés obert
    In the present century the need to recycle thermosets to reach a sustainable environment has led a huge number of researchers to develop new reshapable networked polymers. In this scenario, vitrimers, materials able to ...
  • Stress-relaxing thermosets with easily regulated bond exchange kinetics 

    Konuray, Ali Osman; Moradi, Sasan; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ramis Juan, Xavier; Morancho Llena, José María (2022)
    Comunicació de congrés
    Accés obert
    We have carried out stress-relaxation experiments on poly(acrylate) and poly(thiol-ene) based thermosets prepared from in-house synthesized epoxy-acid adducts with acrylate (for the former) and ene functionalities (for the ...
  • Novel hybrid poly(thiourethane)/POSS covalent adaptable networks 

    Guerrero, Federico; Flor López, Sílvia de la; Ramis Juan, Xavier; Santos, Jose-Ignacio; Serra Albet, Maria Àngels (2021)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Hybrid organic-inorganic materials have been introduced as one of the strategies to improve mechanical properties and obtaining new high-performance polymeric materials. These materials present a synergism that meets the ...
  • Dual-curing of (meth)acrylate-epoxy thiol formulations 

    Roig, Adrià; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2021)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    We have implemented a sequential photo-thermal dual-curing procedure based on glycidylmethacrylate/trimeth(acrylate)/thiol mixtures. The first step of the curing process is a radical UV-initiated thiol-(meth)acrylate ...
  • Sequential photo-thermal curing of (meth)acrylate-epoxy thiol formulations 

    Roig, Adrià; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2021)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In this work, a novel dual-curing procedure has been developed. It is a combination of a first radical UV-initiated thiol-(meth)acrylate reaction, followed by a second thermal thiol-epoxy step catalysed by a base. Since ...
  • Dual-curable vitrimers for 3d-printing 

    Romano, Angelo; Konuray, Ali Osman; Roppolo, Ignazio; Sangermano, Marco; Fernández-Francos, Xavier; Ramis Juan, Xavier (2021)
    Comunicació de congrés
    Accés obert
    3D-printed objects can greatly benefit from the introduction of molecular structure undergoing dynamic bond exchange [1] or the use dual-curing processing [2], leading to a significant enhancement of mechanical properties ...
  • Influence of exposure time on mechanical properties and photocuring conversion ratios for photosensitive materials used in additive manufacturing 

    Bonada Bo, Jordi; Muguruza Blanco, Asier; Fernández Francos, Xavier; Ramis Juan, Xavier (2017)
    Text en actes de congrés
    Accés obert
    The influence of UV post - curing process on mechanical properties as well as photocuring conversion ratios is presented. An analytical model to determinate the conversion ratio for frontal polymerization is used t o define ...

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