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A facile way to synthesize polylactide grafted starch: anionic swollen polymerization

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Abstract

Polylactide grafted starch (starch-g-PLA) was successfully synthesized via anionic swollen grafting polymerization. The swelling of starch was proved effective to facilitate the grafting reaction. The product with grafting percentage up to 376 % was obtained when optimized the experimental condition. The structure of grafted product was confirmed by Fourier transform infrared spectra and nuclear magnetic resonance spectroscopy. The modified starch has favorable thermal stability below 200 °C according to derivative thermogravimetric analysis. The thermal property of the starch-g-PLA attested that the grafted products have great potential melt blending with PLA and starch.

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Acknowledgments

All the authors are grateful to the help of Prof. Zhaoyang Wang from South China Normal University, Prof. Xufei Zhu, Gang Liu, Weixiang Sun, Tianxian He, Weifeng Ou, Ruitian Zhu, and Chuanwen Zhang from South China University of Technology, and Chunsheng Xiao from Changchun Institute of Applied Chemistry.

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Authors and Affiliations

  1. College of Materials Science and Engineering, South China University of Technology, Wushan Road, Tianhe District, Guangzhou, 510640, Guangdong Province, People’s Republic of China

    Jun Shao, Jingyi Zhao, Yaoming Zhao, Yurong Yan & Zhiming Qiu

  2. Key Lab Polymer Ecomaterial, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China

    Jun Shao

  3. Graduate University of the Chinese Academy of Sciences, Beijing, 100039, People’s Republic of China

    Jun Shao

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  1. Jun Shao
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  2. Jingyi Zhao
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  3. Yaoming Zhao
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  4. Yurong Yan
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  5. Zhiming Qiu
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Correspondence to Yurong Yan.

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Shao, J., Zhao, J., Zhao, Y. et al. A facile way to synthesize polylactide grafted starch: anionic swollen polymerization. Polym. Bull. 70, 59–70 (2013). https://doi.org/10.1007/s00289-012-0820-0

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  • DOI: https://doi.org/10.1007/s00289-012-0820-0

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