Journal
POLYMER INTERNATIONAL
Volume 56, Issue 4, Pages 525-531Publisher
WILEY
DOI: 10.1002/pi.2161
Keywords
phenacylium salts; keto-enol tautomerization; capillary effect; TDDFT
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Phenacyl benzoylpyridinium (PBP) salts are effective photoinitiatiors for cationic polymerization. In this study, it is shown that PBP salts are stable in their keto forms, and undergo a reversible keto-enol tautomerization reaction when a capillary action is applied. Spectroscopic and theoretical methods are used to explain the existence of the enol forms in the capillary tube. (C) 2006 Society of Chemical Industry.
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