The use of dihydrazides as latent curing agents in diglycidyl ether of bisphenol A coatings

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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	Tomuta, Adrian
dc.contributor.author	Ramis Juan, Xavier
dc.contributor.author	Ferrando Piera, Francesc
dc.contributor.author	Serra, Angels
dc.date	2012-05
dc.identifier.citation	Tomuta, A. [et al.]. The use of dihydrazides as latent curing agents in diglycidyl ether of bisphenol A coatings. "Progress in organic coatings", Maig 2012, vol. 74, núm. 1, p. 59-66.
dc.identifier.citation	0300-9440
dc.identifier.citation	10.1016/j.porgcoat.2011.10.004
dc.identifier.uri	http://hdl.handle.net/2117/17370
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	Epoxy resins
dc.subject	Crosslinking (Polymerization)
dc.subject	Resines epoxídiques
dc.subject	Polimerització
dc.title	The use of dihydrazides as latent curing agents in diglycidyl ether of bisphenol A coatings
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Dihydrazides of different structure were synthesized and tested as curing agents for DGEBA epoxy coatings. By calorimetric studies their latent characteristics were proved and the kinetics of the curing studied. The temperatures of activation are usually dependant on the melting point of the dihydrazide. The acceleration by base and Lewis acids was proved, but the latent character was diminished. FTIR/ATR allowed characterizing the final structures of the thermosets and confirming that the fully cured was achieved. The thermal stability of the materials and their thermomechanical characteristics were evaluated by TGA and DMTA, respectively. Mechanical properties of the thermosets were also determined.

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