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Living characteristics of the free-radical ring-closing polymerization of diallyldimethylammonium chloride

Living characteristics of the free-radical ring-closing polymerization of diallyldimethylammonium chloride,10.1016/j.eurpolymj.2010.10.025,European Po

Living characteristics of the free-radical ring-closing polymerization of diallyldimethylammonium chloride   (Citations: 1)
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In this communication we provide the most recent results on RAFT-mediated ring-closing polymerization of diallyldimethylammonium chloride (DADMAC). The polymerization was carried out in aqueous solution employing 2,2′-azobis(2-methylpropionamidine)-dihydrochloride as the free radical initiator and trithiocarbonate RAFT agent (2-{[(dodecylsulfanyl)carbonothioyl sulfanyl]}propanoic acid, DoPAT) as the controlling RAFT agent. The results show that – while the system is not as completely controlled as previously described – it is nevertheless possible to mediate the polymerization of DADMAC and impart some living characteristics onto the system. The initial study on the RAFT-mediated polymerization of DADMAC may have overestimated the degree of livingness within this reaction. However, it is possible – at low conversions – for some living characteristics to be observed, as the evolution of molecular weight with conversion is linear. In addition, polymers with a reasonably narrow polydispersity can be isolated.
Journal: European Polymer Journal - EUR POLYM J , vol. 47, no. 1, pp. 111-114, 2011
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