Now showing items 1-20 of 24

    • A new class of vitrimers based on aliphatic poly(thiourethane) networks with shape memory and permanent shape reconfiguration 

      Gamardella, Francesco; Guerrero, Federico; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Elsevier, 2019-01-05)
      Article
      Restricted access - publisher's policy
      Vitrimers are a new promising class of polymeric materials which are attracting increasing attention thanks to their thermosetting characteristics with their capability of being reprocessed and recyclable, which make them ...
    • 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 ...
    • Characterization of sequential dual-curing of thiol-acrylate-epoxy systems with controlled thermal properties 

      Russo, Claudio; Serra Albet, Maria Àngels; Fernández Francos, Xavier; Flor López, Sílvia de la (Elsevier, 2019-03-01)
      Article
      Open Access
      In this work, a novel sequential dual-curing system based on thiol-acrylate-epoxy formulations is developed and characterized. Both reaction stages are thermally activated and sequentially relies on difference in the ...
    • Click-based dual-curing thermosets and their applications 

      Ramis Juan, Xavier; Fernández Francos, Xavier; Flor López, Sílvia de la; Ferrando Piera, Francesc; Serra Albet, Maria Àngels (Elsevier, 2018)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Dual curing is the methodology for obtaining thermosets by combining two different and compatible polymerization reactions, taking place sequentially or simultaneously. Sequential dual-curing processing enables the preparation ...
    • 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 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. ...
    • 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- ...
    • Fully renewable thermosets based on bis-eugenol prepared by thiol-click chemistry 

      Guzman, Dailyn; Serra Albet, Maria Àngels; Ramis Juan, Xavier; Fernández Francos, Xavier; Flor López, Sílvia de la (2019-03-01)
      Article
      Open Access
      Thiol-ene photocuring and thiol-epoxy thermal curing have been applied to prepare new thermosets from renewable substrates. As monomers, a tetrallyl and a tetraepoxy derivative of bis-eugenol were prepared by dimerization ...
    • 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 ...
    • 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 ...
    • 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
      Open Access
      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 ...
    • 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 ...
    • Preparation of poly(thiourethane) thermosets by controlled thiol-isocyanate click reaction using a latent organocatalyst 

      Gamardella, Francesco; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2019-01-01)
      Article
      Open Access
      Different poly(thiourethane) thermosets were prepared by means of a thiol-isocyanate click reaction starting from three diisocyanates with different structure (isophorone diisocyanate, IPDI, 4,4'-methylene bis(cyclohexy ...
    • Recyclable organocatalyzed poly(Thiourethane) covalent adaptable networks 

      Gamardella, Francesco; Muñoz, Sara; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-04)
      Article
      Open Access
      A new type of tetraphenylborate salts derived from highly basic and nucleophilic amines, namely 1,5-diazabicyclo[4.3.0]non-5-ene (DBN), 1,8-diazabicyclo(5.4.0)undec-7-ene (DBU) and triazabicyclodecene (TBD), was applied ...
    • Recyclable poly(thiourethane) vitrimers with high Tg. Influence of the isocyanate structure 

      Gamardella, Francesco; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2020-06-01)
      Article
      Restricted access - publisher's policy
      Networked poly(thiourethane) materials with Tgs around 130 °C, derived from two aliphatic isocyanates (isophorone diisocyanate, IPDI and 4,4'-methylene bis(cyclohexyl isocyanate), HMDI) and one aromatic diisocyanate ...
    • 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 ...
    • 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 ...
    • Tailor-made thermosets obtained by sequential dual-curing combining isocyanate-thiol and epoxy-thiol click reactions 

      Gamardella, Francesco; Sabatini, Valentina; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Elsevier, 2019-06-12)
      Article
      Open Access
      In this work, a new family of thermosets based on thiol-isocyanate-epoxy networks has been prepared via sequential dual-curing methodology where both reactions are activated by temperature. The sequential dual behaviour ...