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Hydrogenation of natural rubber having epoxy group

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Abstract

Hydrogenation of epoxidized natural rubber (ENR) was performed to introduce hydroxyl group to hydrogenated natural rubber. The ENR was prepared by epoxidation of deproteinized natural rubber (DPNR) with peracetic acid in latex stage. Hydrogenation of epoxidized DPNR (EDPNR) was performed with p-toluenesulfonylhydrazide in p-xylene. The resulting product, hydrogenated EDPNR (HEDPNR), was characterized by nuclear magnetic resonance spectroscopy with various pulse sequences, i.e., two-dimensional correlation spectroscopy, two-dimensional heteronuclear correlation measurements. Carbons linking up to hydroxyl group were assigned to be quaternary and tertiary groups. The HEDPNR was proved to be a polyolefine elastomer through differential scanning calorimetry.

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Acknowledgments

This work was supported by the 21st Century COE Program of Scientific Research from the Ministry of Education, Culture, Sports, and Technology, Japan.

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Authors and Affiliations

  1. Faculty of Chemical Technology, Hanoi University of Technology, Hanoi, Vietnam

    Phan Trung Nghia

  2. Department of Materials Science and Technology, Nagaoka University of Technology, Niigata, 940-2188, Japan

    Phan Trung Nghia, Hirufumi Onoe, Yoshimasa Yamamoto & Seiichi Kawahara

Authors
  1. Phan Trung Nghia
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  2. Hirufumi Onoe
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  3. Yoshimasa Yamamoto
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  4. Seiichi Kawahara
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Correspondence to Seiichi Kawahara.

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Nghia, P.T., Onoe, H., Yamamoto, Y. et al. Hydrogenation of natural rubber having epoxy group. Colloid Polym Sci 286, 993–998 (2008). https://doi.org/10.1007/s00396-008-1859-1

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  • DOI: https://doi.org/10.1007/s00396-008-1859-1

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