Using dilatometry in the reversible addition fragmentation transfer polymerization of N-(S)-(-)-浼?methylbenzyl methacryloylamine was written by Soriano-Moro, J. Guillermo;Percino, M. Judith;Chapela, Victor M.;Guerrero-Santos, Ramiro. And the article was included in Journal of Polymer Research in 2011.Recommanded Product: Benzyl benzodithioate This article mentions the following:
Optically active polymers were prepared using reversible addition-fragmentation chain transfer polymerization (RAFT) of N-(S)-浼?methylbenzylmethacryloylamine (N-(S)-浼?MBMA), a functional optically active monomer. RAFT polymerizations were carried out at 70 鎺矯 in ethanol using AIBN as a thermal initiator and benzyl or (1-phenyl)ethyl dithiobenzoate (BDB and PEDB, resp.) as the RAFT agents. The kinetic study was performed by dilatometry. Plots of conversion vs time indicated that the polymerizations followed first order kinetics. 1H NMR, IR, and UV-vis spectrophotometric studies confirmed the presence of thiocarbonylthio moieties (-SCS-) in the polymer chains. The mol. weight distributions (MWDs) were moderately narrow with polydispersity indexes between 1.3 and 1.6, which indicated that the control of the reaction was not completely achievement using BDB or PEDB as RAFT agents. The optical activity [浼猐 measurements of synthesized polymers by RAFT did not show a noticeably linear increase dependence with respect to mol. weight, as was previously reported for another controlled free radical polymerization (CRP) system. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Recommanded Product: Benzyl benzodithioate).
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