Photopolymerization of methyl methacrylate initiated by thioxanthone derivatives : photoinitiation mechanism

Photopolymerization of methyl methacrylate initiated by thioxanthone derivatives : photoinitiation mechanism

The photopolymerization of methyl methacrylate initiated by substituted thioxanthones in the presence of an amine has been investigated. The dependence of the polymerization rates with the amine concentration and the photoinitiation efficiency at a given amine concentration are highly dependent on t...

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Veröffentlicht in:Polymer (Guilford) 2000-12, Vol.41 (26), p.9103-9109
Hauptverfasser: CORRALES, T, PEINADO, C, CATALINA, F, NEUMANN, M. G, ALLEN, N. S, RUFS, A. M, ENCINAS, M. V
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Sprache:eng
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Applied sciences
Exact sciences and technology
Physicochemistry of polymers
Polymerization
Polymers and radiations
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container_end_page 9109
container_issue 26
container_start_page 9103
container_title Polymer (Guilford)
container_volume 41
creator CORRALES, T
PEINADO, C
CATALINA, F
NEUMANN, M. G
ALLEN, N. S
RUFS, A. M
ENCINAS, M. V
description The photopolymerization of methyl methacrylate initiated by substituted thioxanthones in the presence of an amine has been investigated. The dependence of the polymerization rates with the amine concentration and the photoinitiation efficiency at a given amine concentration are highly dependent on the ketone structure. The reactivity of the ketone is also highly dependent on the ketone structure. The values of the quenching rate constants show that the initiation efficiency is controlled by the competition between the quenching of the excited states by the monomer and also the amine. (Original abstract - amended)
doi_str_mv 10.1016/S0032-3861(00)00292-5
format Article
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subjects Applied sciences
Exact sciences and technology
Physicochemistry of polymers
Polymerization
Polymers and radiations
title Photopolymerization of methyl methacrylate initiated by thioxanthone derivatives : photoinitiation mechanism
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