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Registro de acceso cerrado New fluorescent probes for monitoring the polymerization reaction: p-vinyliden derivatives of N,N-dimethylaminoaryl compounds

Autor :Bosch, Paula
Fernández-Arizpe, A.
Mateo, J. L.
Catalina, Fernando
Peinado, Carmen
Palabras clave :Fluorescent probes, Photopolymerization, Microviscosity, Micropolarity, Cure monitoring
Fecha de publicación :2002
Citación :Journal of Photochemistry and Photobiology A: Chemistry 153 : 135–143 (2002)
Resumen:The fluorescence emission of two newfluorescentprobes have been studied in environments of different polarity and viscosity. The probes have been shown to be sensitive to changes in both microviscosity and micropolarity of the surroundings, and their dipolar moments in the excited state have been estimated. They have been used as fluorescent sensors to monitor the photopolymerization reactions of some mono- and di-functional (meth)acrylate monomers, and two commercial photocurable acrylic adhesives. The fluorescence emission band of the probes showed an increase in intensity as the degree of conversion increases, throughout the entire polymerization range in the different systems checked. Their sensitivity have been compared with that of their parent compoundN,N-dimethylamino-bencilidenenmalononitril
Versión del editor:http://dx.doi.org/10.1016/S1010-6030(02)00260-5
URI :http://hdl.handle.net/10261/57454
ISSN:1010-6030
DOI:10.1016/S1010-6030(02)00260-5
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