Browsing by Subject "Epoxy resins"
Now showing items 1-20 of 73
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A new two-stage curing system: Thiol-ene/epoxy homopolymerization using an allyl terminated hyperbranched polyester as reactive modifier
(Elsevier, 2013-10-04)
Article
Restricted access - publisher's policyAn allyl terminated hyperbranched polyester (HBP) was added to an epoxy formulation containing a trithiol compound to perform a thiol-ene click reaction. By this procedure a flexible thioether network was formed. The ... -
A novel comparative study of different layered silicate clay types on exfoliation process and final nanostructure of trifunctional epoxy nanocomposites
(2016-12)
Article
Open AccessThe effect of three different organically modified layered silicate clays (Nanomer I.30E, Cloisite 30B and Nanofil SE 3000) on the exfoliation process and on the thermal properties and nanostructure of cured trifunctional ... -
A study of the effect of boron nitride (BN) particles on the cure kinetics and thermal conductivity of epoxy/BN composites.
(Universitat Politècnica de Catalunya, 2018-01-10)
Bachelor thesis
Restricted access - author's decision -
Amperometric thyroxine sensor using a nanocomposite based on graphene modified with gold nanoparticles carrying a thiolated beta-cyclodextrin
(2016-05)
Article
Open AccessThis article reports a novel electrochemical sensor based on a nanocomposite for the sensitive determination of Thyroxine (T4), the active form of the hormone. Hydrodynamic amperometry is performed with a nanocomposite ... -
Comparison of the nanostructure and mechanical performance of highly exfoliated epoxy-clay nanocomposites prepared by three different protocols
(2014-05-30)
Article
Open AccessThree different protocols for the preparation of polymer layered silicate nanocomposites based upon a tri-functional epoxy resin, triglycidyl para-amino phenol (TGAP), have been compared in respect of the cure kinetics, ... -
Copolimerització tèrmica i fotoinduïda d’una resina epoxi amb una lactona
(Universitat Politècnica de Catalunya, 2007-11)
Master thesis (pre-Bologna period)
Open AccessLes resines epoxi són monòmers àmpliament utilitzats degut a les bones propietats que se n’obtenen una vegada que el material està entrecreuat. Presenten, no obstant, problemes com per exemple la contracció durant el ... -
Curing kinetics and characterization of dual-curable thiol-acrylate-epoxy thermosets with latent reactivity
(2018-01)
Article
Open AccessA 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
(2020-10-01)
Article
Open AccessIn 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 ... -
Development of novel biobased epoxy films with aliphatic and aromatic amine hardeners for the partial replacement of Bisphenol A in primer coatings
(Scrivener Publishing LLC, 2016-02-15)
Part of book or chapter of book
Restricted access - publisher's policyNew insights into epoxidized linseed oil (ELO) reaction with several amine hardeners for partial replacement of diglycidyl ether of bisphenol A (DGEBA) in coatings formulations are discussed. Thermosets formed by ELO and ... -
Disseny d’una galga nuclear per determinar el gruix d’una mostra per retrodispersió de partícules beta
(Universitat Politècnica de Catalunya, 2014-06)
Master thesis (pre-Bologna period)
Open AccessL’objectiu d’aquest projecte és dissenyar una galga nuclear capaç de determinar el gruix de pintura epoxi d’una mostra usant el mètode de retrodispersió de partícules beta. En el disseny de la galga s’ha escollit la font ... -
Dual curing of an epoxy resin with dicarboxylic acids
(Springer, 2020-03-18)
Article
Restricted access - publisher's policyIn 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
(2020-09-01)
Article
Open AccessStereolithography (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 ... -
Effect of a hyperbranched polymer over the thermal curing and the photocuring of an epoxy resin
(2011)
Article
Restricted access - publisher's policyIn this study, the authors study by calorimetry the influence of hyperbranched polyester Boltron®H40 on the thermal curing and the photocuring of a diglycidyl ether of bisphenol epoxy resin (DGEBA) using ytterbium (III) ... -
Effect of hydroxyl ended and end-capped multiarm star polymers on the curing process and mechanical characteristics of epoxy/anhydride thermosets
(2014-08-01)
Article
Restricted access - publisher's policyMultiarm star polymers have been synthesized by cationic ring-opening polymerization of epsilon-caprolactone from a hyperbranched poly(ethyleneimine) core and end-capped with acetic anhydride. These star polymers have been ... -
Effect of the network structure and programming temperature on the shape-memory response of thiol-epoxy "click" systems
(2015-10-01)
Article
Open AccessThis paper presents a new methodology to develop “thiol-epoxy” shape-memory polymers (SMPs) with enhanced mechanical properties in a simple and efficient manner via “click” chemistry by using thermal latent initiators. ... -
Efficient impact resistance improvement of epoxy/anhydride thermosets by adding hyperbranched polyesters partially modified with undecenoyl chains
(Elsevier, 2012-10-26)
Article
Restricted access - publisher's policyBoltorn H30 hyperbranched polyester has been modified by acylation with 10-undecenoyl chloride to obtain HBPs with different degree of modification. These HBPs have been used as reactive modifiers, in a proportion of 5 and ... -
Epoxy resin Cross-linked binders in aqueous finishing
(2010-02-22)
Article
Restricted access - publisher's policy -
Epoxy sol-gel hybrid thermosets
(MDPI AG, 2016-02-03)
Article
Open AccessSol-gel methodologies are advantageous in the preparation of hybrid materials in front of the conventional addition of nanoparticles, because of the fine dispersion of the inorganic phase that can be reached in epoxy ... -
Epoxy-based shape-memory actuators obtained via dual-curing of off-stoichiometric \"thiol-epoxy\" mixtures
(2017-03-21)
Article
Open AccessIn this work, epoxy-based shape-memory actuators have been developed by taking advantage of the sequential dual-curing of off-stoichiometric “thiol–epoxy” systems. Bent-shaped designs for flexural actuation were obtained ... -
Estudio de alternativas de recubrimiento de fibras para la elaboración de compuestos y refuerzos sostenibles
(Universitat Politècnica de Catalunya, 2022-01-13)
Bachelor thesis
Open AccessActualment una de les tècniques constructives més utilitzades és el formigó armat que suposa una millora estructural a causa de la presència de barres metàl·liques que funcionen com una armadura. Habitualment, a causa de ...
