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Iron(III)-Mediated ATRP of Methyl Methacrylate Using Activators Generated by Electron Transfer

✍ Scribed by Lifen Zhang; Zhenping Cheng; Fan Tang; Qiang Li; Xiulin Zhu

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
243 KB
Volume
209
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

A novel procedure, atom‐transfer radical polymerization using activators generated by electron transfer (AGET ATRP) mediated by iron catalyst, was developed, using an oxidatively stable FeCl~3~/triphenylphosphine as a catalyst complex, ascorbic acid as a reducing agent, and methyl methacrylate as a monomer. The polymerization can be conducted successfully in the presence of a limited amount of air and shows the features of β€œliving”/controlled free‐radical polymerizations such as number‐average molecular weights increasing linearly with monomer conversion and narrow molecular weight distributions. The living feature of the obtained polymer was further verified by a chain extension experiment.

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