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Effect of second monomer and initiator type, mixing method, and stabilizer content on the shape of the particles produced by seeded dispersion polymerization in the presence of saturated hydrocarbon droplets

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Abstract

In this work, the preparation of micron-sized polymer particles with nonspherical shapes via seeded dispersion polymerization of 2-ethylhexyl methacrylate with polystyrene seed particles in the presence of hydrocarbon droplets and evaporation of hydrocarbon after the polymerization under various polymerization conditions was discussed. The effect of second monomer and initiator type, mixing method, and stabilizer content on the shape of the obtained particles was investigated. It was observed that particles with more nonspherical shapes were obtained with increasing the alkyl chain length of ester group of the methacrylate of the second monomer which is because of increasing the absorption amounts of hydrocarbon by second polymer domains. Moreover, the experimental results showed that shape of the particles which was produced by shaking is more nonspherical than the shape of the particles which was obtained from tumbling. Furthermore, particles with different nonspherical shapes were prepared by changing the initiator type and stabilizer content.

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Authors and Affiliations

  1. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, 15914, Iran

    Soleyman Hosseinzadeh, Younes Saadat, Hormoz Eslami & Faramarz Afshar-Taromi

  2. Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran

    Alireza Hosseinzadeh, Mehdi Rimaz & Vahid Hooshangi

Authors
  1. Soleyman Hosseinzadeh
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  2. Younes Saadat
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  3. Hormoz Eslami
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  4. Faramarz Afshar-Taromi
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  5. Alireza Hosseinzadeh
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  6. Mehdi Rimaz
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  7. Vahid Hooshangi
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Correspondence to Soleyman Hosseinzadeh.

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Hosseinzadeh, S., Saadat, Y., Eslami, H. et al. Effect of second monomer and initiator type, mixing method, and stabilizer content on the shape of the particles produced by seeded dispersion polymerization in the presence of saturated hydrocarbon droplets. Colloid Polym Sci 290, 1713–1719 (2012). https://doi.org/10.1007/s00396-012-2769-9

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  • DOI: https://doi.org/10.1007/s00396-012-2769-9

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