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Thermosensitive polymeric vesicles self-assembled by PNIPAAm-b-PPG-b-PNIPAAm triblock copolymers

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Abstract

PNIPAAm-b-PPG-b-PNIPAAm triblock copolymers were prepared by redox polymerization. The self-assembly behavior and thermosensitive property of the copolymers in water were studied using 1H-NMR, TEM and a UV spectrophotometer. The results showed that the LCST of the copolymers was 32 °C, which was consistent with that of pure PNIPAAm. The copolymers could form a vesicular structure in an aqueous solution by self-assembly. The hollow structure of the PNIPAAm-b-PPG-b-PNIPAAm vesicles combined with the temperature-sensitive property may enable many potential applications of the vesicles.

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Acknowledgements

This research was financially supported by the National Nature Science Foundation of China (50273040).

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Authors and Affiliations

  1. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China

    Xiangrong Chen, Xiaobin Ding, Zhaohui Zheng & Yuxing Peng

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  1. Xiangrong Chen
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  2. Xiaobin Ding
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  3. Zhaohui Zheng
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  4. Yuxing Peng
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Correspondence to Xiaobin Ding.

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Chen, X., Ding, X., Zheng, Z. et al. Thermosensitive polymeric vesicles self-assembled by PNIPAAm-b-PPG-b-PNIPAAm triblock copolymers. Colloid Polym Sci 283, 452–455 (2005). https://doi.org/10.1007/s00396-004-1203-3

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  • DOI: https://doi.org/10.1007/s00396-004-1203-3

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