Water-soluble photoinitiators: Primary processes in hydroxy alkyl phenyl ketones

Photopolymerization of acrylamide in water has been investigated in the presence of watersoluble hydroxy alkyl phenyl ketones. The processes involved in the excited states (α‐cleavage, electron transfer, monomer quenching) have been studied by time‐resolved laserspectroscopy. Substitution at the par...

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Bibliographic Details
Published in:Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 1991-08, Vol.29 (9), p.1319-1327
Main Authors: Fouassier, Jean-Pierre, Burr, Dominique, Wieder, Fernand
Format: Article
Language:English
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Summary:Photopolymerization of acrylamide in water has been investigated in the presence of watersoluble hydroxy alkyl phenyl ketones. The processes involved in the excited states (α‐cleavage, electron transfer, monomer quenching) have been studied by time‐resolved laserspectroscopy. Substitution at the para position of the phenyl ring changes drastically the reactivity and influences the possibility of synergistic effects when combining these photoinitiators with thioxanthone derivatives.
ISSN:0887-624X
1099-0518
DOI:10.1002/pola.1991.080290911