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ABSTRACT:Photopolymerization of acrylamide (AA) sensitized by tris(l, I 0-phenanthroline )-ruthenium(II) and tris(2,2'-bipyrazine)ruthenium(II) complexes and was studied in aqueous solutions. AA was photopolymerized in the presence of both the sensitizer + and an electron donor triethylamine (TEA). The photopolymerization of AA did not occur in the presence of the sensitizer and TEA, but did in the coexistence of maleic acid as a comonomer. In these systems the Ru(II) complexes were not consumed during the polymerization. The mechanisms of photopolymerization for these systems are discussed.

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