Photoinitiation Mechanism and Ability of Monoamino-Substituted Anthraquinone Derivatives as Cationic Photoinitiators of Polymerization under LEDs.
anthraquinone
cationic photopolymerization
light-emitting diodes (LED)
photoinitiation mechanism
photoinitiators
Journal
Macromolecular rapid communications
ISSN: 1521-3927
Titre abrégé: Macromol Rapid Commun
Pays: Germany
ID NLM: 9888239
Informations de publication
Date de publication:
Aug 2019
Aug 2019
Historique:
received:
14
05
2019
revised:
03
06
2019
pubmed:
19
6
2019
medline:
13
2
2020
entrez:
19
6
2019
Statut:
ppublish
Résumé
The design and development of photoinitiating systems applicable to UV or even visible light delivered from light-emitting diodes (LEDs) has been attracting increasing attention due to their great potential applications in various fields. Compared to the strategy of synthesizing novel compounds, the exploration of existing chemicals with interesting photochemical/photophysical properties for their usage as photoinitiators is more appealing and easily commercialized. Nevertheless, a number of compounds such as monoamino-substituted anthraquinone derivatives, which are intensively investigated for their photophysical and photochemical properties, have seldom been studied for their roles as photoinitiators under LED irradiation. Herein, three monoamino-substituted anthraquinone derivatives, that is, 1-aminoanthraquinone, 1-(methylamino)anthraquinone and 1-(benzamido)anthraquinone, are studied for their potential as photoinitiators. The photoinitiation mechanism of these monoamino-substituted anthraquinone derivatives, when combined with iodonium salt, is first clarified using computational quantum chemistry, fluorescence, steady-state photolysis, and electron spin resonance spin-trapping techniques. Then, their photoinitiation ability for the cationic photopolymerization of epoxide and divinyl ether monomers is also investigated.
Identifiants
pubmed: 31210405
doi: 10.1002/marc.201900234
doi:
Substances chimiques
Anthraquinones
0
Cations
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1900234Subventions
Organisme : Australian Research Council
ID : FT170100301
Organisme : Australian Research Council
ID : FL170100041
Organisme : National Facility of the Australian National Computational Infrastructure
Informations de copyright
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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