New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/25223

dc.contributor	Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics
dc.contributor	Universitat Politècnica de Catalunya. TERFIQ - Grup de Termodinàmica i Fisico-Química
dc.contributor.author	Guzmán, Daylin
dc.contributor.author	Ramis Juan, Xavier
dc.contributor.author	Fernández Francos, Xavier
dc.contributor.author	Serra Albet, Àngels
dc.date	2014-10-01
dc.identifier.citation	Guzmán, D. [et al.]. New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction. "European polymer journal", 01 Octubre 2014, vol. 59, p. 377-386.
dc.identifier.citation	0014-3057
dc.identifier.citation	10.1016/j.eurpolymj.2014.08.001
dc.identifier.uri	http://hdl.handle.net/2117/25223
dc.language.iso	eng
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
dc.subject	Heat resistant plastics
dc.subject	Epoxy resins
dc.subject	Thiol
dc.subject	Epoxy resin
dc.subject	Latency
dc.subject	Pot-life
dc.subject	Crosslinking
dc.subject	Plàstics termostables
dc.subject	Resines epoxídiques
dc.title	New catalysts for diglycidyl ether of bisphenol A curing based on thiol-epoxy click reaction
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The 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 precursor was studied by calorimetry under isothermal and non-isothermal conditions. The latent characteristics of the formulations containing amine precursors were investigated by rheometry and calorimetry. The thermal stability of the thermosets and their thermomechanical characteristics were evaluated by thermogravimetry and dynamomechanical analysis. The new formulations were compared with those containing benzyl dimethyl amine or 1-methylimidazole as catalysts. The use of amine precursors in these systems extended the pot-life of the formulations and permitted a better control of the curing process. (C) 2014 Elsevier Ltd. All rights reserved.

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