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Nitrile N-oxide-terminated poly(γ-benzyl l-glutamate) (PBLG): synthesis and catalyst-free grafting onto polybutadiene (PBD) and natural rubber (NR)

Polymer Journal volume 52, pages 1165–1171 (2020)Cite this article

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Abstract

A nitrile N-oxide-functionalized polypeptide was synthesized by a two-step method involving the combination of ring-opening polymerization of an α-amino acid N-carboxyanhydride monomer using a primary amine initiator containing a nitroalkane group and a subsequent terminal conversion. The catalyst-free grafting reaction of the formed functionalized peptide with rubbers containing double bonds was achieved with high efficiency.

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Acknowledgements

This work was financially supported by JST CREST Grant Number JPMJCR1522 and JSPS KAKENHI Grant Number JP16K17955. The authors thank Prof. S. Ishizone and R. Goseki (Tokyo Institute of Technology, Japan) for letting us use the contact angle-measuring instrument. The authors would also like to thank Enago (www.enago.jp) for the English language review.

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  1. Hiromitsu Sogawa

    Present address: Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita, Osaka, 564-8680, Japan

  2. Toyokazu Tsutsuba

    Present address: Division of Molecular Science, Faculty of Science and Technology, Gunma University, 1-5-1 Tenjin, Kiryu, Gunma, 376-8515, Japan

Authors and Affiliations

  1. Department of Chemical Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8503, Japan

    Hiromitsu Sogawa, Shohei Takamatsu, Toyokazu Tsutsuba & Toshikazu Takata

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  1. Hiromitsu Sogawa
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Correspondence to Hiromitsu Sogawa or Toshikazu Takata.

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Sogawa, H., Takamatsu, S., Tsutsuba, T. et al. Nitrile N-oxide-terminated poly(γ-benzyl l-glutamate) (PBLG): synthesis and catalyst-free grafting onto polybutadiene (PBD) and natural rubber (NR). Polym J 52, 1165–1171 (2020). https://doi.org/10.1038/s41428-020-0370-5

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