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New pegylated hyperbranched polyester as chemical modifier of epoxy resins in UV cationic photocuring
dc.contributor.author | Foix, David |
dc.contributor.author | Fernández Francos, Xavier |
dc.contributor.author | Ramis Juan, Xavier |
dc.contributor.author | Serra Albet, Maria Àngels |
dc.contributor.author | Sangermano, Marco |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics |
dc.date.accessioned | 2011-08-31T12:12:55Z |
dc.date.available | 2011-08-31T12:12:55Z |
dc.date.created | 2011-04 |
dc.date.issued | 2011-04 |
dc.identifier.citation | Foix, 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.issn | 1381-5148 |
dc.identifier.uri | http://hdl.handle.net/2117/13146 |
dc.description.abstract | A 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.extent | 8 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Física::Termodinàmica::Altes temperatures |
dc.subject.lcsh | Hyperbranched polymer |
dc.subject.lcsh | Epoxy resins |
dc.title | New pegylated hyperbranched polyester as chemical modifier of epoxy resins in UV cationic photocuring |
dc.type | Article |
dc.subject.lemac | Resines epoxídiques |
dc.subject.lemac | Polimers hiperramificats |
dc.contributor.group | Universitat Politècnica de Catalunya. TERFIQ - Grup de Termodinàmica i Fisico-Química |
dc.identifier.doi | 10.1016/j.reactfunctpolym.2010.12.014 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5737344 |
dc.description.version | Postprint (published version) |
local.citation.author | Foix, D.; Fernandez-Francos, X.; Ramis, X.; Serra, A.; Sangermano, M. |
local.citation.publicationName | Reactive and functional polymers |
local.citation.volume | 71 |
local.citation.number | 4 |
local.citation.startingPage | 417 |
local.citation.endingPage | 424 |
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