Controlled radical polymerization of styrene with magnetic iron oxides prepared through hydrothermal, bioinspired, and bacterial processes

Arihiro Kanazawa, Kotaro Satoh, Shokyoku Kanaoka, Masato Kakihana, Makoto Kobayashi, Junki Sato, Hiroaki Imai, Yuya Oaki, Atsushi Arakaki, Kiyofumi Katagiri, Masami Kamigaito, Sadahito Aoshima

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Controlled/living radical polymerization was examined with the use of magnetic iron oxide (Fe<inf>3</inf>O<inf>4</inf>) prepared through various processes, including hydrothermal synthesis, a bioinspired process, and magnetotactic bacteria. Prior to the use of various types of Fe<inf>3</inf>O<inf>4</inf>, commercially available Fe<inf>3</inf>O<inf>4</inf> was employed as a heterogeneous catalyst for styrene polymerization in conjunction with an alkyl halide as an initiator. Under appropriately optimized conditions, with the addition of Ph<inf>3</inf>P in a solvent mixture of toluene and DMF, the polymerization proceeded in a well-controlled manner. In addition, solid Fe<inf>3</inf>O<inf>4</inf> was recovered using a magnetic approach and was reused for a polymerization reaction. The effects of stirring on the polymerization rate suggest that the surface of Fe<inf>3</inf>O<inf>4</inf> is responsible for the catalysis in polymerization. Fe<inf>3</inf>O<inf>4</inf> samples prepared through various processes were then used for styrene polymerization and showed different activities depending on the preparation process. In particular, Fe<inf>3</inf>O<inf>4</inf> prepared through hydrothermal synthesis exhibited a much higher activity compared with commercial Fe<inf>3</inf>O<inf>4</inf>.

Original languageEnglish
Pages (from-to)51122-51129
Number of pages8
JournalRSC Advances
Volume5
Issue number63
DOIs
Publication statusPublished - 2015

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Styrene
Free radical polymerization
Iron oxides
Polymerization
Hydrothermal synthesis
Living polymerization
Toluene
Catalysis
ferric oxide
Bacteria
Catalysts

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Kanazawa, A., Satoh, K., Kanaoka, S., Kakihana, M., Kobayashi, M., Sato, J., ... Aoshima, S. (2015). Controlled radical polymerization of styrene with magnetic iron oxides prepared through hydrothermal, bioinspired, and bacterial processes. RSC Advances, 5(63), 51122-51129. https://doi.org/10.1039/c5ra09149g

Controlled radical polymerization of styrene with magnetic iron oxides prepared through hydrothermal, bioinspired, and bacterial processes. / Kanazawa, Arihiro; Satoh, Kotaro; Kanaoka, Shokyoku; Kakihana, Masato; Kobayashi, Makoto; Sato, Junki; Imai, Hiroaki; Oaki, Yuya; Arakaki, Atsushi; Katagiri, Kiyofumi; Kamigaito, Masami; Aoshima, Sadahito.

In: RSC Advances, Vol. 5, No. 63, 2015, p. 51122-51129.

Research output: Contribution to journalArticle

Kanazawa, A, Satoh, K, Kanaoka, S, Kakihana, M, Kobayashi, M, Sato, J, Imai, H, Oaki, Y, Arakaki, A, Katagiri, K, Kamigaito, M & Aoshima, S 2015, 'Controlled radical polymerization of styrene with magnetic iron oxides prepared through hydrothermal, bioinspired, and bacterial processes', RSC Advances, vol. 5, no. 63, pp. 51122-51129. https://doi.org/10.1039/c5ra09149g
Kanazawa, Arihiro ; Satoh, Kotaro ; Kanaoka, Shokyoku ; Kakihana, Masato ; Kobayashi, Makoto ; Sato, Junki ; Imai, Hiroaki ; Oaki, Yuya ; Arakaki, Atsushi ; Katagiri, Kiyofumi ; Kamigaito, Masami ; Aoshima, Sadahito. / Controlled radical polymerization of styrene with magnetic iron oxides prepared through hydrothermal, bioinspired, and bacterial processes. In: RSC Advances. 2015 ; Vol. 5, No. 63. pp. 51122-51129.
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