UV generation of a muiltifunctional hyperbranched thermal crosslinker to cure epoxy resin

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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	Foix, David
dc.contributor.author	Ramis Juan, Xavier
dc.contributor.author	Serra Albet, Àngels
dc.contributor.author	Sangermano, Marco
dc.date	2011-07-07
dc.identifier.citation	Foix, D. [et al.]. UV generation of a muiltifunctional hyperbranched thermal crosslinker to cure epoxy resin. "Polymer", 07 Juliol 2011, vol. 52, núm. 15, p. 3269-3276.
dc.identifier.citation	0032-3861
dc.identifier.citation	10.1016/j.polymer.2011.05.029
dc.identifier.uri	http://hdl.handle.net/2117/14509
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation	http://dx.doi.org/10.1016/j.polymer.2011.05.029
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	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials naturals::Resines
dc.subject	Gums and resins, Synthetic
dc.subject	Epoxy resins
dc.subject	Resines epoxídiques
dc.title	UV generation of a muiltifunctional hyperbranched thermal crosslinker to cure epoxy resin
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	A new hyperbranched polymer (HBP) was obtained via an iterative synthetic procedure that consists of esterification and thiol-ene click reaction. This polymer was used as a latent multifunctional macroinitiator for the dual curing of a commercially available cycloaliphatic epoxy resin and this process was studied by photo-DSC and FTIR. The presence of thioether groups in the HBP structure leads, by photoirradiation, to the formation of sulfonium salts, which are thermal cationic initiating species. The materials obtained were characterized by DMTA, TGA, gel content and FESEM. By means of the last technique domains of HBP as a second phase within the epoxy matrix were observed.

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