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New epoxy thermosets obtained from diglycidylether of bisphenol a and modified hyperbranched polyesters with long aliphatic chains cured by diisocyanates

Autor
Flores, M.; Fernandez-Francos, X.; Jimenez-Pique, E.; Foix, D.; Serra, M. À.; Ramis, X.
Tipus d'activitat
Article en revista
Revista
Polymer engineering and science
Data de publicació
2012
Volum
52
Número
12
Pàgina inicial
2597
Pàgina final
2610
DOI
https://doi.org/10.1002/pen.23225 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/19728 Obrir en finestra nova
Resum
Hyperbranched polyesters modified with long aliphatic chains with vinyl or epoxy groups as chain ends were synthesized and added as modifiers to diglycidyl ether of bisphenol A/toluene-2,4-diisocyanate mixtures in the presence of benzyldimethylamine as catalyst. The influence of the addition of these modifiers on the curing was investigated by thermal analysis and infrared spectroscopy. The materials obtained were investigated by electron microscopy and some mechanical characteristics were deter...
Citació
Flores, M. [et al.]. New epoxy thermosets obtained from diglycidylether of bisphenol a and modified hyperbranched polyesters with long aliphatic chains cured by diisocyanates. "Polymer engineering and science", 2012, vol. 52, núm. 12, p. 2597-2610.
Grup de recerca
CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona
POLTEPO - Polímers Termoestables Epoxídics

Participants