Citation: Qi Wang, Yi-xian Li, Jian Hong, Zhi-qiang Fan. STYRENE POLYMERIZATION MEDIATED BY CYCLIC TRITHIOCARBONATE AS RAFT AGENT[J]. Chinese Journal of Polymer Science, ;2006, 24(6): 593-597.
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Thenovelcyclictrithiocarbonatewassynthesizedbydialkylationoftrithiocarbonateanionwith2,2’-bis(bromomethyl)biphenylinatwo-phasesystemusinganoniumsaltasaphase-transferagent.Styrenepolymerizationwascarriedoutinthepresenceofcyclictrithiocarbonate(CTTC).CTTCundergoesringopening-polymerizationandtheincorporatedtrithiocarbonatemoietyderivedfromCTTCperformsasthereversibleaddition-fragmentationchaintransfer(RAFT)agent.Throughthismechanismmultiblockpolystyrenescontainingvariousnarrowpolydispersityblockscanbeprepared.
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