New functionalized water-soluble benzophenones: a laser flash photolysis study

Autor:	P. Jacques, H. L. Casal, D. J. Lougnot, Juan C. Scaiano, Jean-Pierre Fouassier, Nguyen Kim-Thuan
Rok vydání:	1985
Předmět:	Chemistry Organic Chemistry Kinetics Ionic bonding General Chemistry Photochemistry Laser Catalysis law.invention Water soluble law Triethanolamine medicine Flash photolysis Amine gas treating Triplet state medicine.drug
Zdroj:	Canadian Journal of Chemistry. 63:3001-3006
ISSN:	1480-3291 0008-4042
DOI:	10.1139/v85-498
Popis:	Two water-soluble ionic benzophenones containing a quatemized amine and a sulphonate group have been investigated by laser flash photolysis. The decay kinetics and spectra of their triplet states were studied and quenching constants by triethanolamine, isopropanol, and methyl viologen determined. These data are of interest when these benzophenones are used as initiators for photo-polymerizing water-soluble acrylates in homogeneous solution or in reverse micellar assemblies. The high water solubility of these compounds allows the bimolecular deactivations due to triplet–triplet (kTT) and triplet–ground state (kSQ) interactions to be determined more accurately than in the case of benzophenone itself.
Databáze:	OpenAIRE
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