Now showing items 1-20 of 23

    • Acetoacetate based thermosets prepared by dual-Michael addition reactions 

      Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
      Article
      Open Access
      A novel set of dual-curable multiacetoacetate-multiacrylate-divinyl sulfone ternary materials with versatile and manipulable properties are presented. In contrast to common dual-curing systems, the first stage polymer ...
    • Curado “Click” secuencial de mezclas tiol-acetoacetato-acrilato, catalizada por una fotobase latente 

      Ramis Juan, Xavier; Konuray, Ali Osman; Liendo Castillo, Freddy Jesus; Fernández Francos, Xavier; Morancho Llena, José María; Salla Tarragó, José María; Serra Albet, Àngels (2016)
      Conference lecture
      Restricted access - publisher's policy
    • Curing and thermomechanical properties of off-stoichiometric anhydride-epoxy thermosets 

      Morancho Llena, José María; Ramis Juan, Xavier; Fernández Francos, Xavier; Salla Tarragó, José María; Konuray, Ali Osman; Serra Albet, Maria Àngels (Springer, 2019-11)
      Article
      Open Access
      n the present work, we report the preparation and characterization of a new family of thermosets based on off-stoichiometric anhydride–epoxy formulations in the presence of an anionic initiator. Diglycidyl ether of bisphenol ...
    • Curing kinetics and characterization of dual-curable thiol-acrylate-epoxy thermosets with latent reactivity 

      Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier (2018-01)
      Article
      Open Access
      A new dual-curing scheme was developed for thiol-acrylate-epoxy mixtures. A photo-initiated latent catalytic system was used to carry out thiol-acrylate Michael addition at 35 °C (Stage 1) followed by thiol-epoxy click ...
    • Curing kinetics of acrylate-based and 3D printable IPNs 

      Konuray, Ali Osman; Salla Tarragó, José María; Morancho Llena, José María; Fernández Francos, Xavier; García Álvarez, Montserrat; Ramis Juan, Xavier (2020-10-01)
      Article
      Restricted access - publisher's policy
      In this work, the kinetics of curing of a new family of interpenetrating polymer networks (IPNs) obtained by co-formulation of a photocurable acrylic resin with a thermocurable epoxy/anhydride mixture is studied. The first ...
    • Curing of off-stoichiometric amine–epoxy thermosets 

      Morancho Llena, José María; Ramis Juan, Xavier; Fernández Francos, Xavier; Salla Tarragó, José María; Konuray, Ali Osman; Serra Albet, Maria Àngels (Springer, 2018-07)
      Article
      Open Access
      The kinetics of the epoxy–amine polycondensation and the epoxy homopolymerization in off-stoichiometric epoxy/amine formulations with excess of epoxy groups, and in the presence of an anionic initiator have been investigated. ...
    • Design and analysis of dual-curing systems 

      Konuray, Ali Osman (Universitat Politècnica de Catalunya, 2018-09-17)
      Doctoral thesis
      Open Access
      Dual-curing processing is a method to prepare thermoset materials through two polymerization reactions carried out simultaneously or sequentially. In these processes, a firm understanding of reaction mechanisms enables ...
    • Dual curing of an epoxy resin with dicarboxylic acids 

      Morancho Llena, José María; Ramis Juan, Xavier; Fernández Francos, Xavier; Konuray, Ali Osman; Salla Tarragó, José María; Serra Albet, Maria Àngels (Springer, 2020-03-18)
      Article
      Restricted access - publisher's policy
      In this work, we have studied the preparation and characterization of a new family of thermosets based on off-stoichiometric diacid-epoxy formulations in the presence of 1-methylimidazole as initiator. Tri-glycidyl para-amino ...
    • Dual-curable stereolithography resins for superior thermomechanical properties 

      Konuray, Ali Osman; Di Donato, Fabio; Sangermano, Marco; Bonada Bo, Jordi; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2020-09-01)
      Article
      Open Access
      Stereolithography (SL) stands out as a relatively fast additive manufacturing method to produce thermoset components with high resolutions. The majority of SL resins consist of acrylate monomers which result in materials ...
    • Enhancement of 3D-printable materials by dual-curing procedures 

      Fernández Francos, Xavier; Konuray, Ali Osman; Ramis Juan, Xavier; Serra Albet, Maria Àngels; Flor López, Sílvia de la (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-01)
      Article
      Open Access
      Dual-curing thermosetting systems are recently being developed as an alternative to conventional curing systems due to their processing flexibility and the possibility of enhancing the properties of cured parts in single- ...
    • Hard epoxy thermosets obtained via two sequential epoxy-amine condensations 

      Konuray, Ali Osman; García, Aina; Morancho Llena, José María; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ferrando Piera, Francesc; García Álvarez, Montserrat; Ramis Juan, Xavier (Elsevier, 2019-07-01)
      Article
      Open Access
      A new family of dual-curable poly(ß-hydroxyamine ether) thermosets based on amine-epoxy formulations has been prepared and characterized. Both curing stages consist in an epoxy-amine polycondensation, each having different ...
    • Kinetics analysis and simulation of sequential epoxy dual-curing systems with independent thermal activation 

      Santín Serrano, David; Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier (2019-03-01)
      Article
      Open Access
      The curing kinetics of a sequential dual-curing system based on an off-stoichiometric amine-epoxy formulation with intermediate latent reactivity has been analyzed. The first curing stage is an epoxy-amine polycondensation ...
    • Latent curing of epoxy-thiol thermosets 

      Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier (Elsevier, 2017-05-05)
      Article
      Open Access
      Epoxy-thiol curing is a click reaction which allows quantitative yield of the end products. The base-catalyzed reaction is rapid at low temperatures so it is most often desirable to harness reactivity by using latent ...
    • New allyl-functional catalytic comonomers for sequential thiol-Michael and radical thiol-ene reactions 

      Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Elsevier, 2018-02-28)
      Article
      Open Access
      Soft poly(thioether) thermosets have been synthesized by employing a two-step curing procedure based on click chemistry. The first stage of curing is a thiol-Michael addition between acrylates (or methacrylates) and thiols ...
    • Preparation and characterization of dual-curable off-stoichiometric amine-epoxy thermosets with latent reactivity 

      Konuray, Ali Osman; Areny, Núria; Morancho Llena, José María; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Ramis Juan, Xavier (Elsevier, 2018-06-20)
      Article
      Open Access
      A new family of dual-curable poly(hydroxyamine)-poly(ether) thermosets based on off-stoichiometric amine-epoxy formulations has been prepared and characterized. The first curing stage was a selflimiting click epoxy-amine ...
    • Sequential curing of amine-acrylate-methacrylate mixtures based on selective aza-Michael addition followed by radical photopolymerization 

      Konuray, Ali Osman; Fernández Francos, Xavier; Serra Albet, Àngels; Ramis Juan, Xavier (2016-11)
      Article
      Open Access
      Dual curing systems find various uses in industry with the process flexibility they provide which allows tailoring properties at different curing stages in accordance with application requirements. A safe and efficient ...
    • 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, Àngels; Ramis Juan, Xavier (2016-01-01)
      Article
      Open Access
      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 curing of thiol-acetoacetate-acrylate thermosets by latent Michael addition reactions 

      Konuray, Ali Osman; Liendo Castillo, Freddy Jesus; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Sangermano, Marco; Ramis Juan, Xavier (Elsevier, 2017-03-24)
      Article
      Open Access
      Thiol-acetoacetate-acrylate ternary dual-curing thermosets were prepared by a sequential process consisting of thiol-Michael addition to acrylates at room temperature followed by Michael addition of acetoacetates to acrylates ...
    • 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, Àngels; Ramis Juan, Xavier (2018-01)
      Article
      Open Access
      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
      Open Access
      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 ...