Influence of the end groups of hyperbranched poly(glycidol) on the cationic curing and morphology of diglycidylether of bisfenol A thermosets

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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	Santiago, David
dc.contributor.author	Morell, Mireia
dc.contributor.author	Fernández Francos, Xavier
dc.contributor.author	Serra Albet, Àngels
dc.contributor.author	Salla Tarragó, José María
dc.contributor.author	Ramis Juan, Xavier
dc.date	2011-03
dc.identifier.citation	Santiago, D. [et al.]. Influence of the end groups of hyperbranched poly(glycidol) on the cationic curing and morphology of diglycidylether of bisfenol A thermosets. "Reactive and functional polymers", Març 2011, vol. 71, núm. 4, p. 380-389.
dc.identifier.citation	1381-5148
dc.identifier.citation	10.1016/j.reactfunctpolym.2010.12.008
dc.identifier.uri	http://hdl.handle.net/2117/13148
dc.language.iso	eng
dc.relation	http://linkinghub.elsevier.com/retrieve/pii/S1381514810002403
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Física::Termodinàmica
dc.subject	Hyperbranched polymers
dc.subject	Addition polymerization
dc.subject	Polimers hiperramificats
dc.subject	polimeritzacio
dc.title	Influence of the end groups of hyperbranched poly(glycidol) on the cationic curing and morphology of diglycidylether of bisfenol A thermosets
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The cationic curing of DGEBA with hyperbranched polymers (HBPs) based on poly(glycidol) using ytterbium triflate as initiator, has been studied. Poly(glycidol) (PG) has been synthesized and the terminal hydroxyl groups have been partially end-capped with benzoyl end groups to produce benzoylated poly(glycidol) (PGBz). The hydrophylic character caused by the high hydroxyl group content of unmodified PG limits its solubility in DGEBA, while a partial modification with benzoyl groups makes PGBz fully miscible in DGEBA. Therefore, important differences are observed with respect to the curing kinetics, network development, properties and morphology of the cured materials, which may be related to the hydroxyl group content of the HBPs.
dc.description.abstract	Peer Reviewed

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