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Gels 2015, 1(1), 58-68; doi:10.3390/gels1010058

Diarylbibenzofuranone-Based Dynamic Covalent Polymer Gels Prepared via Radical Polymerization and Subsequent Polymer Reaction

1
Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2
Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
3
Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
*
Authors to whom correspondence should be addressed.
Academic Editor: Akira Harada
Received: 11 June 2015 / Revised: 27 June 2015 / Accepted: 30 June 2015 / Published: 3 July 2015
(This article belongs to the Special Issue Development of Self-Healing Gels)
View Full-Text   |   Download PDF [3135 KB, uploaded 3 July 2015]   |  

Abstract

Diarylbibenzofuranone (DABBF) is a dynamic covalent bonding unit, which is in equilibrium with the corresponding radicals at room temperature, and polymers with DABBF linkages show notable properties such as self-healing. The preparation routes have been strictly limited, however, and no polymer with the linkages has been synthesized via radical polymerization because of the strong antioxidant activity of DABBF. Here we present a new method to prepare DABBF-containing polymers via radical polymerization of the precursor, arylbenzofuranone (ABF), and subsequent polymer reaction, dimerization of ABF units in the linear polymers. Polymer gels cross-linked by DABBF linkages were obtained against the relatively strong antioxidant activity of ABF and showed dynamic network reorganization at room temperature. View Full-Text
Keywords: self-healing; dynamic covalent chemistry; gels; radical polymerization; polymer reaction self-healing; dynamic covalent chemistry; gels; radical polymerization; polymer reaction
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Imato, K.; Nishihara, M.; Irie, A.; Takahara, A.; Otsuka, H. Diarylbibenzofuranone-Based Dynamic Covalent Polymer Gels Prepared via Radical Polymerization and Subsequent Polymer Reaction. Gels 2015, 1, 58-68.

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