Exploració per tema "Epoxy resins"
Ara es mostren els items 21-40 de 73
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Estudio de aplicación de residuos textiles como refuerzo de materiales compuestos para su uso en tablas de surf
(Universitat Politècnica de Catalunya, 2021-07-13)
Treball Final de Grau
Accés obertEn el presente estudio se evalúa un método para la revalorización de residuos textiles posconsumo para obtener estructuras de refuerzo de materiales compuestos con el objetivo de aplicarlos en la fabricación de tablas de ... -
Étude du vieillissement sous UV des résines époxydes pour la restauration d’objets archéologiques en verre
(Universitat Politècnica de Catalunya, 2020-07-07)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Fluorescent thiol-epoxy thermosets obtained from diglycidylether of bisphenol A and carbazole based diepoxy monomer
(2017-07-01)
Article
Accés obertA new epoxy resin containing carbazole moieties was synthesized and added in several proportions to diglycidylether of bisphenol A (DGEBA) and trimethylolpropane tris(3-mercaptopropionate) (TTMP) formulations that were ... -
GO/rGO as reinforcing nanofiller in aramid fiber/epoxy resin composite systems
(2019-04-25)
Article
Accés obertCompatibility between matrix and reinforcement plays an important role in final properties of composite materials, which is why many works are focused in modify- ing interfacial interactions between both components ... -
Go/rGo as reinforcing nanofiller in carbon fiber/epoxy resin composite systems
(2019-02-26)
Article
Accés obertInterfacial interactions between matrix and reinforcement of composites influences greatly in final properties of the material. Carbon Fibers are characterized for to have low interactions with resins when forming a ... -
Hard epoxy thermosets obtained via two sequential epoxy-amine condensations
(Elsevier, 2019-07-01)
Article
Accés obertA 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 ... -
Hybrid epoxy networks from ethoxysilyl-modified hyperbranched poly(ethyleneimine) and inorganic reactive precursors
(2015-09-01)
Article
Accés obertNew epoxy-silica hybrid coatings were prepared by a dual process consisting of a sol-gel process using tetraethoxysilane (TEOS) or 3-glycidyloxypropyl trimethoxysilane (GPTMS) in the presence of hyperbranched poly(ethyleneimine) ... -
Identification of fracture toughness for discrete damage mechanics analysis of glass-epoxy laminates
(2014-08-01)
Article
Accés restringit per política de l'editorialA methodology for determination of the intralaminar fracture toughness is presented, based on fitting discrete damage mechanics (DDM) model predictions to available experimental data. DDM is constitutive model that, when ... -
Improved epoxy thermosets by the use of poly(ethyleneimine) derivatives
(De Gruyter, 2017-07)
Article
Accés obertEpoxy resins are commonly used as thermosetting materials due to their excellent mechanical properties, high adhesion to many substrates and good heat and chemical resistances. This type of thermosets is intensively used ... -
Improvement of mechanical properties of epoxy/anhydride coatings using sepiolite and a hyperbranched polyster
(2012)
Comunicació de congrés
Accés restringit per política de l'editorialEpoxy resins are one of the most successful thermosetting materials when it comes to industrial application, and their uses embraces adhesives, coatings, encapsulation of electronic components and matrices of composite ... -
Materiales termoestables epoxídicos curados con isocianatos. Efecto de la adición de polímeros hiperramificados
(Universitat Politècnica de Catalunya, 2011-02)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorLas resinas epoxi se encuentran entre los materiales termoestables más importantes utilizados en un gran abanico de aplicaciones tales como adhesivos, matrices para materiales compuestos, recubrimientos de superficies y ... -
Mechanical characterization of sol–gel epoxy-silylatedhyperbranched poly(ethyleneimine) coatings by meansof Depth Sensing Indentation methods
(2016-03)
Article
Accés obertA series of hybrid epoxy-silica coatings were prepared from a synthesized hyperbranched poly(ethyleneimine) with ethoxysilyl groups at the chain ends and diglycidylether of bisphenol A in different proportions. The curing ... -
Modificación de resinas epoxi con estructuras dendríticas de tipo polímeros estrella
(Universitat Politècnica de Catalunya, 2012-07)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorLas resinas epoxi se encuentran entre los materiales termoestables más importantes que se utilizan en una gran variedad de aplicaciones tales como adhesivos, matrices para materiales compuestos, recubrimientos de superficies ... -
Modificación de resinas epoxi con polímeros hiperramificados para mejorar la tenacidad
(Universitat Politècnica de Catalunya, 2014-03)
Projecte/Treball Final de Carrera
Accés obertLas resinas epoxi son un tipo muy importante de polímeros termoestables que se utilizan en una gran variedad de aplicaciones. Son conocidas por sus excelentes propiedades tanto mecánicas como eléctricas, estabilidad ... -
Modification of epoxy-anhydride thermosets using a hyperbranched poly(este-amide): I. Kinetic study
(2012-05-16)
Article
Accés restringit per política de l'editorialAn epoxy-anhydride formulation used for the coating of electrical devices was modified with a commercially available hyperbranched poly(ester-amide), HybraneS2200, in order to improve the thermal degradability of the ... -
Multiarm star poly(glycidol)-block-poly(e-caprolactone) of different arm lengths and their use as modifiers of diglycidylether of bisphenol a thermosets
(2011-01-01)
Article
Accés restringit per política de l'editorialWell-defined multiarm star copolymers, hyperbranched poly(glycidol)-b-poly(e-caprolactone), with an average of 100–110 arms per molecule and a molecular weight of arms of 3000 g/mol (PGOH-b-PCL30) and 1000 g/mol ... -
Multiarm star with poly(ethyleneimine) core and poly(epsilon-caprolactone) arms as modifiers of diglycidylether of bisphenol A thermosets cured by 1-methylimidazole
(2013-03)
Article
Accés restringit per política de l'editorialWell-defined multiarm star copolymers, with hyperbranched poly(ethyleneimine) (PEI) as the core and poly(e-caprolactone) (PCL) arms with different degree of polymerization were synthesized by cationic ring-opening ... -
New anhydride/epoxy thermosets based on diglycidyl ether of bisphenol A and 10-undecenoyl modified poly(ethyleneimine) with improved impact resistance
(2015-08-01)
Article
Accés obertNew dendritic modifiers have been synthesized by amidation of hyperbranched poly(ethylenimine)(PEIs) with 10-undecenoic acid to obtain hyperbranched polymers (HBPs) with different degree of modification. These HBPs have ... -
New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction
(2014-10-01)
Article
Accés restringit per política de l'editorialThe thiol-epoxy click reaction has been employed in the curing of diglycidyl ether of bisphenol A (DGEBA) using latent amine precursors in ratios of 0.5 and 2 phr. The kinetics of the curing of mixtures of DGEBA/thiol/amine ... -
New chemically reworkable epoxy coatings obtained by the addition of polyesters with star topologies to diglycidyl ether of bisphenol A resins
(2013-11)
Article
Accés restringit per política de l'editorialA new multiarm star with hyperbranched aromatic–aliphatic polyester core and poly(ɛ-caprolactone) arms (HBPCL) was synthesized and characterized. Mixtures of diglycidyl ether of bisphenol A (DGEBA) resin and different ...