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Thiol-yne/thiol-epoxy hybrid crosslinked materials based on propargyl modified hyperbranched poly(ethyleneimine) and diglycidylether of bisphenol A resins

Autor
Acebo, C.; Fernandez-Francos, X.; Ramis, X.; Serra, M. À.
Tipus d'activitat
Article en revista
Revista
RSC advances
Data de publicació
2016-01-01
Volum
6
Número
66
Pàgina inicial
61576
Pàgina final
61584
DOI
https://doi.org/10.1039/c6ra13158a Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/90362 Obrir en finestra nova
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2016/RA/C6RA13158A#!divAbstract Obrir en finestra nova
Resum
A novel curing methodology based on the combination of thiol-yne and thiol-epoxy click reactions has been developed. The curing process consists of a first photoinitiated thiol-yne reaction, followed by a thermal thiol-epoxy process. As alkyne substrate a new propargyl terminated hyperbranched poly(ethyleneimine) (PEIyne) has been synthesized from the reaction of commercial poly(ethylenimine) (PEI) and glycidyl propargyl ether. The evolution of the curing of different mixtures of PEIyne and digl...
Citació
Acebo, C., Fernandez-Francos, X., Ramis, X., Serra, À. Thiol-yne/thiol-epoxy hybrid crosslinked materials based on propargyl modified hyperbranched poly(ethyleneimine) and diglycidylether of bisphenol A resins. "RSC advances", 1 Gener 2016, vol. 6, núm. 66, p. 61576-61584.
Paraules clau
Alkynes, Amine, Michael addition, Networks, Photopolymerization, Polymerization, Polymers, Thermosets, Yne chemistry
Grup de recerca
POLTEPO - Polímers Termoestables Epoxídics

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