Fe(III)-catalyzed AGET ATRP of styrene using triphenyl phosphine as ligand |
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Authors: | Lifen Zhang Zhenping Cheng Zhengbiao Zhang Deyin Xu Xiulin Zhu |
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Affiliation: | (1) Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow (Suzhou) University, 215123 Suzhou, China; |
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Abstract: | Activators generated by electron transfer for atom transfer radical polymerization (AGET ATRP) is a new technique for conducting
ATRP developed recently. In this work, an iron(III)-mediated AGET ATRP of styrene in bulk was carried out at 110 °C, using
benzyl bromide as an initiator, oxidatively stable iron(III) chloride hexahydrate (FeCl3·6H2O) as a catalyst, triphenyl phosphine as a ligand, and ascorbic acid as a reducing agent. The polymerizations demonstrated
the features of “living”/controlled free-radical polymerization, such as the number–average molecular weights increasing linearly
with monomer conversion and narrow molecular weight distributions (M
w/M
n = 1.14–1.31). |
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Keywords: | |
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