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Fabrication and characterization of nanocapsules containing n-dodecanol by miniemulsion polymerization using interfacial redox initiation

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Abstract

Phase change material nanocapsules with n-dodecanol as the core and styrene-butyl acrylate copolymer as the shell were prepared by miniemulsion polymerization using interfacial redox initiation. The morphology, particle size, polydispersity index, thermal properties, and structure of the nanocapsules were characterized by TEM, laser particle diameter analyzer, DSC, TGA, and FT-IR. When the monomers/n-dodecanol mass ratio of 1:1 was used, the phase change enthalpy and encapsulation efficiency of the nanocapsules reached to 109.2 J/g and 98.4%, respectively. The thermal decomposition temperature of the nanocapsules was about 195 °C. Spherical nanocapsules with a mean diameter of 100 nm and a phase change temperature of 18.4 °C were obtained, which have good energy storage potential.

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Acknowledgements

The authors are grateful to Guangzhou Jointas Chemical Ltd. Co, National Nature Science Foundation of China (No: 50973033), Research Fund for the Doctoral Program of Higher Education of China (No: 20090172110015), and Construction Science and Technology Foundation of Guangzhou City (No: 2006–05) for financial support of this research.

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Authors and Affiliations

  1. Institute of Post Doctor, South China University of Technology, Guangzhou, 510640, China

    Chunming Chen

  2. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China

    Chunming Chen, Zhonghua Chen & Xingrong Zeng

  3. Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China

    Xiaoming Fang & Zhengguo Zhang

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  1. Chunming Chen
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  2. Zhonghua Chen
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  3. Xingrong Zeng
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  4. Xiaoming Fang
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  5. Zhengguo Zhang
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Correspondence to Zhonghua Chen.

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Chen, C., Chen, Z., Zeng, X. et al. Fabrication and characterization of nanocapsules containing n-dodecanol by miniemulsion polymerization using interfacial redox initiation. Colloid Polym Sci 290, 307–314 (2012). https://doi.org/10.1007/s00396-011-2545-2

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  • DOI: https://doi.org/10.1007/s00396-011-2545-2

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