3-Ketoquinolones as new photoinitiators for free radical photopolymerization under LED
Literature Information
Publication Date
2022-04-11
DOI
10.1039/D2PY00058J
Impact Factor
5.582
Authors
Marika Morone, Stephen Postle, Vincenzo Razzano, Charles Deguines, X. Allonas
View Original
Abstract
A new class of photoinitiators for free radical photopolymerization based on 3-ketoquinolone chromophoric group is presented. Spectroscopic properties, quantum yield in triplet state and efficiency in formation of initiating radicals were measured. Photopolymerization experiments show that 3-ketoquinolones are effective photoinitiators for LED curing. Additional properties such as yellowing of cured films are also measured. These compounds appear to be interesting alternative to conventional type II photoinitiators.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
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