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dc.contributor.authorFoix, David
dc.contributor.authorFernández Francos, Xavier
dc.contributor.authorRamis Juan, Xavier
dc.contributor.authorSerra Albet, Maria Àngels
dc.contributor.authorSangermano, Marco
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics
dc.date.accessioned2011-08-31T12:12:55Z
dc.date.available2011-08-31T12:12:55Z
dc.date.created2011-04
dc.date.issued2011-04
dc.identifier.citationFoix, D. [et al.]. New pegylated hyperbranched polyester as chemical modifier of epoxy resins in UV cationic photocuring. "Reactive and functional polymers", Abril 2011, vol. 71, núm. 4, p. 417-424.
dc.identifier.issn1381-5148
dc.identifier.urihttp://hdl.handle.net/2117/13146
dc.description.abstractA new hyperbranched polymer (HBPpeg) has been obtained via pegylation of an aromatic hyperbranched polyester. This polymer has been used as modifier of a commercially available cycloaliphatic epoxy resin in its cationic UV photocuring, using arylsulfonium salts as photoinitiator. The addition of the HBP slows down the curing as well as reduces the overall conversion achieved at room temperature, due to its interaction with the photoinitiator, but fully cured materials were achieved for formulations containing up to 10 phr of the HBP. The amphiphilic structure of the HBPpeg allows it to phase-separate in the epoxy matrix, which was confirmed by means of FESEM. The thermomechanical characteristics and the thermal stability have been also studied.
dc.format.extent8 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Física::Termodinàmica::Altes temperatures
dc.subject.lcshHyperbranched polymer
dc.subject.lcshEpoxy resins
dc.titleNew pegylated hyperbranched polyester as chemical modifier of epoxy resins in UV cationic photocuring
dc.typeArticle
dc.subject.lemacResines epoxídiques
dc.subject.lemacPolimers hiperramificats
dc.contributor.groupUniversitat Politècnica de Catalunya. TERFIQ - Grup de Termodinàmica i Fisico-Química
dc.identifier.doi10.1016/j.reactfunctpolym.2010.12.014
dc.description.peerreviewedPeer Reviewed
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac5737344
dc.description.versionPostprint (published version)
local.citation.authorFoix, D.; Fernandez-Francos, X.; Ramis, X.; Serra, A.; Sangermano, M.
local.citation.publicationNameReactive and functional polymers
local.citation.volume71
local.citation.number4
local.citation.startingPage417
local.citation.endingPage424


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