Journal
POLYMER
Volume 43, Issue 8, Pages 2575-2579Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(02)00029-0
Keywords
photoinitiated cationic polymerization; phenacyl anilinium salt
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A novel phenacyl anilinium salt, N-phenacyl, NN-dimethylanilinium hexafluoroantimonate, (PDA), has been synthesized and used as photoinitiator for cationic polymerization of cyclohexene oxide (CHO), butyl vinyl ether (BVE) and N-vinyl carbazol (NVC). Plausible mechanism of the photoinitiation involves the decay of the excited PDA with both heterolytic and homolytic cleavages of carbon-nitrogen bond. Thus, phenacylium cations formed directly or subsequent intermolecular electron transfer, respectively, initiate the polymerization. (C) 2002 Elsevier Science Ltd. All fights reserved.
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