Photosensitization of vinyl polymerization by uranyl ions

Venkatarao, K. ; Santappa, M. (1970) Photosensitization of vinyl polymerization by uranyl ions Journal of Polymer Science Part A-1: Polymer Chemistry, 8 (12). pp. 3429-3433. ISSN 0449-296X

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Monomer acrylamide was used as quencher of uranyl ion fluorescence and Stern-Volmer plots were constructed at three monochromatic wavelengths of exciting radiation. The results indicated that the reaction between excited uranyl ion and monomer is one of energy transfer. The rate parameters kp/kp½ and kd'/ki were calculated from the polymerization kinetics at high monomer concentrations. A general mechanism for the photopolymerization of vinyl monomers sensitized by uranyl ions is proposed and discussed.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
ID Code:43287
Deposited On:11 Jun 2011 06:14
Last Modified:11 Jun 2011 06:14

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