Journal
POLYMER
Volume 48, Issue 6, Pages 1581-1585Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2006.12.027
Keywords
living polymerization; MMA; ATRP
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The effect of metal halide AlCl3 as additive on the living-radical polymerization of methyl methacrylate (MMA) in n-butanol at 80 degrees C was investigated. The initiator was sec-butyl chlorine (SBC), which was used as a model initiator containing secondary R-Cl bond and the catalyst was FeCl2/(PPh3)(4). The polymerization reaction of MMA, using SBC/FeCl2 (PPh3)4 as initiating system, was very slow or even did not take place without AlCl3. The addition of AlCl3 accelerated the polymerization to some great extent and the polymers obtained have almost controlled molecular weights and narrow molecular weight distribution. These experimental results were different from those of the literatures, in which metal chlorides would slow down the polymerization rate of MMA for ATRP reactions. (c) 2006 Elsevier Ltd. All rights reserved.
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