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New pegylated hyperbranched polyester as chemical modifier of epoxy resins in UV cationic photocuring

Autor
Foix, D.; Fernandez-Francos, X.; Ramis, X.; Serra, M. À.; Sangermano, M.
Tipus d'activitat
Article en revista
Revista
Reactive and functional polymers
Data de publicació
2011-04
Volum
71
Número
4
Pàgina inicial
417
Pàgina final
424
DOI
https://doi.org/10.1016/j.reactfunctpolym.2010.12.014 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/13146 Obrir en finestra nova
Resum
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 formulati...
Citació
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.
Grup de recerca
POLTEPO - Polímers Termoestables Epoxídics

Participants