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Preparation and characterization of KPS @ Ppy core–shell microcapsules with controlled release properties

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Abstract

Microcapsules containing potassium peroxydisulfate as the core material and polypyrrole as the shell material were prepared by in situ interfacial copolymerization in O/W microemulsion. The encapsulation efficiency of potassium peroxydisulfate reached peak at 95% in the microcapsules. The controlled release time of potassium peroxydisulfate could be at 3–14 h from the microcapsules. The kinetic model of the controlled release was zero-order kinetic equation at 40 °C.

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Acknowledgments

This study was funded by the National Natural Science Foundation of China (20573091) and Institute of Colloid and Interface Chemistry, Yangzhou University. For this work, we thank the Testing Center of Yangzhou University for materials characterization.

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, People’s Republic of China

    Guoqiang Zhou, Yuanyou Wang, Jing Guo & Tianqing Liu

  2. Yangzhou Polytechnic Institute, Yangzhou, 225127, People’s Republic of China

    Yuanyou Wang

  3. Yangzhou Polytechnic College, Yangzhou, 225009, People’s Republic of China

    Jing Guo

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  1. Guoqiang Zhou
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  2. Yuanyou Wang
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  3. Jing Guo
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  4. Tianqing Liu
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Correspondence to Tianqing Liu.

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Zhou, G., Wang, Y., Guo, J. et al. Preparation and characterization of KPS @ Ppy core–shell microcapsules with controlled release properties. Polym. Bull. 74, 3871–3888 (2017). https://doi.org/10.1007/s00289-017-1921-6

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  • DOI: https://doi.org/10.1007/s00289-017-1921-6

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