Exploració per autor "Ramis Juan, Xavier"
Ara es mostren els items 69-88 de 154
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Mechanical characterization of sol–gel epoxy-silylatedhyperbranched poly(ethyleneimine) coatings by meansof Depth Sensing Indentation methods
Vicente, Lorenzo; Acebo Gorostiza, Cristina; Ramis Juan, Xavier; Serra Albet, Maria Àngels (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 ... -
Modification of epoxy-anhydride thermosets using a hyperbranched poly(este-amide): I. Kinetic study
Fernández Francos, Xavier; Rybak, Andrzej; Sekula, Robert; Ramis Juan, Xavier; Serra Albet, Maria Àngels (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 ... -
Modification of epoxy–anhydride thermosets with a hyperbranched poly(ester amide). II. Thermal, dynamic mechanical, and dielectric properties and thermal reworkability
Fernández Francos, Xavier; Rybak, Andrzej; Sekula, Emil; Ramis Juan, Xavier; Ferrando Piera, Francesc; Okrasa, Lidia; Serra Albet, Maria Àngels (2013-06)
Article
Accés restringit per política de l'editorialAn epoxy–anhydride formulation used for the coating electrical devices was modified with a commercially available hyperbranched poly(ester amide), Hybrane S2200, to improve the thermal degradability of the resulting thermoset ... -
Muestras con melatonina. Muestras analizadas: A027-47 y A027-48
Morancho Llena, José María; Ramis Juan, Xavier; Salla Tarragó, José María (2014-07-22)
Report de recerca
Accés restringit per política de l'editorial -
Multiarm star poly(glycidol)-block-poly(e-caprolactone) of different arm lengths and their use as modifiers of diglycidylether of bisphenol a thermosets
Morell, Mireia; Lederer, Albena; Ramis Juan, Xavier; Voit, Brigitte; Serra Albet, Maria Àngels (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
Acebo, Cristina; Fernández Francos, Xavier; Ferrando Piera, Francesc; Serra Albet, Maria Àngels; Salla Tarragó, José María; Ramis Juan, Xavier (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 ... -
Multifunctional allyl-terminated hyperbranched poly(ethyleneimine) as component of new thiol–ene/thiol–epoxy materials
Acebo Gorostiza, Cristina; Fernández Francos, Xavier; Ramis Juan, Xavier; Serra Albet, Maria Àngels (2016-02)
Article
Accés obertA new allyl terminated hyperbranched poly(ethyleneimine) was synthesized and characterized and then used in different proportions as multifunctional macromonomer in tetrathiol – diglycidyl ether of bisphenol A formula- ... -
Network structure and thermomechanical properties of hybrid DGEBA networks cured with 1-methylimidazole and hyperbranched poly(ethyleneimine)s
Fernández Francos, Xavier; Santiago, David; Ferrando Piera, Francesc; Ramis Juan, Xavier; Salla Tarragó, José María; Serra Albet, Maria Àngels; Sangermano, Marco (2012-11-01)
Article
Accés restringit per política de l'editorialhe use of commercially available hyperbranched poly(ethyleneimine)s (Lupasol TM , BASF) as polymeric modifiers in diglycidyl ether of bisphenol A thermosetting formulations using 1-methylimidazole (MI) as anionic ... -
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
Accés obertSoft 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 anhydride/epoxy thermosets based on diglycidyl ether of bisphenol A and 10-undecenoyl modified poly(ethyleneimine) with improved impact resistance
Acebo Gorostiza, Cristina; Fernández Francos, Xavier; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (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 aromatic-aliphatic hyperbranched polyesters with vinylic end groups of different length as modifiers of epoxy/anhydride thermosets
Tomuta, Adrian Marius; Ferrando Piera, Francesc; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2012-09)
Article
Accés restringit per política de l'editorialThe synthesis and characterization of two new aromatic–aliphatic hyperbranched polyesters modified with long and short vinylic chains was reported. These hyperbranched polymers were used as toughening modifiers of ... -
New bio-based materials obtained by thiol-ene/thiol-epoxy dual curing click procedures from eugenol derivates
Guzman, Dailyn; Ramis Juan, Xavier; Fernández Francos, Xavier; de la Flor López, Silvia; Serra Albet, Maria Àngels (2017-08)
Article
Accés obertNovel bio-based and dual-curable thermosets were prepared from eugenol derivatives. The curing sequence combined two click reactions, a photoinduced radical thiol-ene reaction followed by a thermally activated thiol-epoxy ... -
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 -
New BN-epoxy composites obtained by thermal latent cationic curing with enhanced thermal conductivity
Isarn Garcia, Isaac; Massagués, Lluís; Ramis Juan, Xavier; Serra Albet, Maria Àngels; Ferrando Piera, Francesc (2017-12-01)
Article
Accés obertA series of boron nitride (BN) composites, with different BN content, were prepared and characterized by cationic curing of DGEBA/BN formulations. As cationic initiator a commercial benzylanilinium salt was used. This ... -
New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction
Guzmán, Daylin; Ramis Juan, Xavier; Fernández Francos, Xavier; Serra Albet, Maria Àngels (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
Tomuta, Adrian Marius; Ramis Juan, Xavier; Fernández Francos, Xavier; Ferrando Piera, Francesc; Serra Albet, Maria Àngels (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 ... -
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
Accés obertNew 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 ... -
New epoxy thermosets modified with amphiphilic multiarm star polymers as toughness enhancer
Lagunas Calpe, Carlos; Fernández Francos, Xavier; Ferrando Piera, Francesc; Flores Guillen, Marjorie; Serra Albet, Maria Àngels; Morancho Llena, José María; Salla Tarragó, José María; Ramis Juan, Xavier (2014-10-01)
Article
Accés restringit per política de l'editorialThe synthesis and characterization of two novel amphiphilic multiarm star polymers with linear polyethylene glycol (PEG) and poly(s-caprolactone) (PCL) arms and their use as toughening modifiers of epoxy anhydride thermosets ... -
New epoxy thermosets modified with multiarm star poly(lactide) with poly(ethyleneimine) as core of different molecular weight
Acebo Gorostiza, Cristina; Fernández Francos, Xavier; Ferrando Piera, Francesc; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2013-08)
Article
Accés restringit per política de l'editorialMultiarm stars containing a hyperbranched poly(ethyleneimine) core of different molecular weight and poly(lactide) arms were synthesized by cationic ring-opening polymerization of lactide from a hyperbranched poly(ethyleneimine) ... -
New epoxy thermosets obtained from diglycidylether of bisphenol a and modified hyperbranched polyesters with long aliphatic chains cured by diisocyanates
Flores Guillen, Marjorie; Fernández Francos, Xavier; Jiménez Piqué, Emilio; Foix, David; Serra Albet, Maria Àngels; Ramis Juan, Xavier (2012)
Article
Accés restringit per política de l'editorialHyperbranched polyesters modified with long aliphatic chains with vinyl or epoxy groups as chain ends were synthesized and added as modifiers to diglycidyl ether of bisphenol A/toluene-2,4-diisocyanate mixtures in ...