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Soap-free emulsion polymerization of aromatic vinyl monomer using AIBN

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Abstract

Soap-free emulsion polymerizations of aromatic vinyl monomers using 2,2′-azobis(2-methylpropionitrile) (AIBN) were investigated to clarify the origin of the negative charge of the synthesized particles. It was found that the zeta potential and size of the particles synthesized by soap-free emulsion polymerization using AIBN had a strong relationship with the pi electron cloud density in the aromatic vinyl monomer used in the polymerization. The effect of the position of the substituent atom in the phenyl ring on the synthesized particle properties was small.

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Acknowledgments

This study was financially supported in part by Grants-in-Aid for Young Scientists (B) from the Ministry of Education, Culture, Sports, Science and Technology of Japan (no. 23760721). FE-SEM in cryogenics and instrumental analysis Division Natural Science Center for Basic Research and Development (N-BARD) Hiroshima University was used.

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  1. Department of Chemical Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan

    Tetsuya Yamamoto

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  1. Tetsuya Yamamoto
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Correspondence to Tetsuya Yamamoto.

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Yamamoto, T. Soap-free emulsion polymerization of aromatic vinyl monomer using AIBN. Colloid Polym Sci 290, 1833–1835 (2012). https://doi.org/10.1007/s00396-012-2807-7

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  • DOI: https://doi.org/10.1007/s00396-012-2807-7

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