Abstract
Polyacrylamide (PAM) microgels covered with hexadecyltrimethylammonium (CTAB)-peroxotungstophosphate (PTP) complexes were synthesized and characterized by scanning electron microscopy and Fourier transform infrared. The results indicate the CTAB–PTP/PAM composite microsphere with surface-wrinkling morphology and PAM microgel core/CTAB–PTP shell structure. The surface-wrinkling structure changed with the amount of CTAB–PTP supported on the PAM microgels. The results based on CTAB–PTP/PAM composite microspheres used in oxidation of dibenzothiophene demonstrated that the resulting microspheres have high catalytic performance and could be reused three times with a small decrease in activity. The proposed method is commonly significant for construction of reusable catalyst used in diphase catalysis.
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Acknowledgements
We gratefully acknowledge the National Science Foundation of China (20576068, 20773084) and the Project of Yuncheng University in Shanxi Province (20060228) for financial support.
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Song, S., Shen, S., Yang, J. et al. A green synthesis of CTAB–PTP/PAM microhydrogel and its application in oxidation of DBT. J Mater Sci 47, 2501–2508 (2012). https://doi.org/10.1007/s10853-011-6074-7
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DOI: https://doi.org/10.1007/s10853-011-6074-7