Abstract
A water-soluble benzophenone, 4-sulphomethylbenzophenone (SMBP), was studied in reverse micelles of Aerosol OT and in the parent microemulsions obtained on cyclohexanol addition. The rate constants corresponding to the interaction of SMBP with the different components of the microemulsion were measured and compared with the available data in pure water and direct micelles. The situation where a monomer is incorporated in the microheterogeneous assembly is also considered. An important reduction in the efficiency of the interaction taking place between the carbonyl triplet and the monomer is observed in this system which could therefore prove of particular interest in photopolymerization experiments.
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