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Synthesis of star polymethyl acrylate by SET-LRP at ambient temperature

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Abstract

The star-shaped polymethyl acrylate (PMA) was synthesized by single electron transfer living radical polymerization (SET-LRP) at 30 °C in dimethyl sulfoxide, using 2,2-dibromomethyl-1,3-dibromopropane as the multifunctional initiator, Cu0 powder and tris-(2-dimethylamino ethyl)amine (Me6-TREN) as catalyst. The structure of polymer was analyzed by 1H NMR, and the results showed that the star-shaped PMA had perfect chain ends (–Br) retention. In addition, the polymerization proceeded smoothly and the time dependence of ln([M]0/[M]) was linear, which could indicate a first order propagation rate with respect to both radicals and monomer concentration, the polymerization was the living polymerization. The M n and M w/M n of polymer were being measured by Gel Permeation Chromatography. The k appp  = 0.0367 h−1 and the conversion was 36.3% at 16 h, meanwhile the M GPCn of the polymer was 13,300 and the M w/M n was 1.40.

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Acknowledgments

The authors acknowledge the financial support from National Science and Technology fund major project of P.R.C (2008ZX05011), Heilongjiang Province Natural Science Foundation (ZJG0507), Youth Fund of Heilongjiang Province Natural Science Foundation (QC08C33), and Graduate funding innovative research in Heilongjiang Province (YJSCX2008-044HLJ).

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Authors and Affiliations

  1. Provincial Key Laboratory of Oil & Gas Chemical Technology, Chemistry and Chemical Engineering College of Northeast Petroleum University, Daqing, 163318, China

    Wei Ding, Chongfu Lv, Ying Sun, Huoxin Luan, Tao Yu & Guangmiao Qu

  2. Guangfa Chemical Industry of DaTong Coal Mine Group Co., Ltd, Datong, 037003, China

    Ying Sun

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  1. Wei Ding
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  2. Chongfu Lv
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  3. Ying Sun
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  4. Huoxin Luan
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  5. Tao Yu
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Correspondence to Wei Ding.

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Ding, W., Lv, C., Sun, Y. et al. Synthesis of star polymethyl acrylate by SET-LRP at ambient temperature. Polym. Bull. 67, 1499–1505 (2011). https://doi.org/10.1007/s00289-011-0468-1

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  • DOI: https://doi.org/10.1007/s00289-011-0468-1

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