Browsing by Author "Ramis Juan, Xavier"
Now showing items 1-20 of 155
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3D printable hybrid acrylate-epoxy dynamic networks
(Elsevier, 2022-06)
Article
Open AccessPolymer networks with dynamic bonds, also known as covalent adaptable networks (CANs) combine the superior mechanical properties and chemical resistance of thermosets with the ability to be reprocessed, a feat formerly ... -
A new class of vitrimers based on aliphatic poly(thiourethane) networks with shape memory and permanent shape reconfiguration
(Elsevier, 2019-01-05)
Article
Open AccessVitrimers 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 ... -
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 versatile thiol-ene/sol-gel two-stage curing process based on a hyperbranched polyester with different degrees of 10-undecenoyl modification
(2014-04-01)
Article
Restricted access - publisher's policyHybrid thiol-ene system based on a hyperbranched polyester with different degrees of 10-undecenoyl modification are prepared via a dual UV-thermal process. The pristine thiol-ene formulation shows a high reactivity towards ... -
Acetoacetate based thermosets prepared by dual-Michael addition reactions
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
Article
Open AccessA 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 ... -
Actuator behaviour of tailored poly(Thiourethane) shape memory thermosets
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-01)
Article
Open Accessn this work, a new family of poly(thiourethane) shape memory thermosetting actuators was developed and characterized. These materials can be easily prepared from mixtures of two different aliphatic diisocyanates and a ... -
Analysis of the non-ideal crosslinking process in thiol-X “click” thermosets
(Elsevier, 2024-04-13)
Article
Open AccessThiol-click reactions are widely used in the preparation of thermosets. The network build-up process follows step-wise polymerization behavior, which is commonly analyzed assuming ideal step-wise behavior using well- known ... -
Analysis of the reaction mechanism of the thiol-epoxy addition initiated by nucleophilic tertiary amines
(2017-10-14)
Article
Open AccessA kinetic model for thiol–epoxy crosslinking initiated by tertiary amines has been proposed. The kinetic model is based on mechanistic considerations and it features the effect of the initiator, hydroxyl content, and ... -
Aplicaciones eléctricas del acrilonitrilo butadieno estireno (ABS) reforzado con neumáticos fuera de uso (GTR)
(2012-06)
Article
Restricted access - publisher's policy -
Aplicaciones eléctricas del acrilonitrilo butadieno estireno (ABS) reforzado con neumáticosfuera de uso (CTR)
(2012-01)
Article
Open AccessLa masiva fabricación de neumáticos, así como su posterior almacenamiento una vez utilizados, constituye un grave problema medioambiental al que se intenta dar salida de diversas formas, entre las que se encuentra el ... -
Appplication of renewable thiols in the preparation of poly(thiourethane) covalent adaptable networks
(2022)
Conference lecture
Restricted access - publisher's policyOne of the industries most dependent on fossil fuels is the polymer industry: over 99% of polymer production uses monomers derived from oil and gas. For this reason, polymers derived from biomass (biopolymers) are widely ... -
ASCIL. Estudio 5
(2015-01-30)
Research report
Restricted access - confidentiality agreement -
Avocado seed: A comparative study of antioxidant content and capacity in protecting oil models from oxidation
(2018-09-21)
Article
Open AccessIncreasingly, consumers want products containing little or no synthetic compounds. Avocado seeds, which are a residue of the food industry, could be used to obtain extracts with high antioxidant power. In the present study, ... -
Click-based dual-curing thermosets and their applications
(Elsevier, 2018)
Part of book or chapter of book
Restricted access - publisher's policyDual 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 ... -
Comparative analysis of stochastic network build-up methods for the curing of epoxy-anhydride thermosets
(2014-04-01)
Article
Restricted access - publisher's policyThe network build-up of epoxy-anhydride thermosets has been studied using two different stochastic network build-up methods based on the random combination of primary chains or simple fragments. Explicit expressions for ... -
Comparative curing kinetics and thermal–mechanical properties of DGEBA thermosets cured with a hyperbranched poly(ethyleneimine) and an aliphatic triamine
(2011-11-10)
Article
Restricted access - publisher's policyThe use of commercially available hyperbranched poly(ethyleneimine)s (Hbpei, LupasolTM, BASF) as curing agent of DGEBA has been studied. HBpei can react with epoxy monomers by an epoxy-amine condensation mechanism and get ... -
Copolymerization of diglycidylether of bisphenol A and bicyclic bis(gamma-lactone)s using rare earth metal triflates as initiators studied with infrared spectroscopy
(2010-08)
Article
Restricted access - publisher's policy -
Corrigendum: Network structure and thermomechanical properties of hybrid DGEBA networks cured with 1-methylimidazole and hyperbranched poly(ethyleneimine)s
(2013-01-25)
Article
Restricted access - publisher's policy -
Cost-effectively 3d-printed rigid and versatile interpenetrating polymer networks
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-02)
Article
Open AccessVersatile acrylate–epoxy hybrid formulations are becoming widespread in photo/thermal dual-processing scenarios, especially in 3D printing applications. Usually, parts are printed in a stereolithography or digital light ... -
Crosslinking of mixtures of DGEBA with 1,6-Dioxaspiro[4,4]nonan-2,7-dione initiated by tertiary amines. I. Study of the reaction and kinetic analysis
(2008-08)
Article
Restricted access - publisher's policyThe anionic copolymerization of a Diglycidyl ether of bisphenol A (DGEBA) epoxy resin and a bislactone has been studied with different initiators. The kinetics of the process has been dealt with in detail, and it has ...
