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Showing 1–4 of 4 results
Advanced filters: Author: Masaaki Omichi Clear advanced filters

  • High-energy particles can be used for precise fabrication of nanostructures by inducing cross-linking between structures. Here the authors use a single particle fabrication technique to assemble protein nanowires, giving structures with high aspect ratios retaining biological functions.

    • Masaaki Omichi
    • Atsushi Asano
    • Shu Seki
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8

  • Poly(methacrylated vanillin) (PMV) was investigated for its reactivity in multicomponent reactions as a reactive polymer that can be sourced from lignin-based components. The Passerini three-component reaction (Passerini-3CR) of the PMV in solution phases revealed that the PMV pendant aldehydes can be converted into the corresponding α-acyloxy amides with >90% conversions under the optimized conditions. Taking advantage of this high reactivity of PMV in solution phase, its immobilized cellulose fabric (Cell-g-PMV), a wood biomass-sourced organic hybrid, was subjected to the Passerini-3CR, enabling an engraftment of carboxylic acid and isocyanide components on the cellulose-based fabrics.

    • Ryohei Kakuchi
    • Ryota Tsuji
    • Noriaki Seko
    Research
    Polymer Journal
    Volume: 53, P: 523-531

  • Lignin-derived compatibilizing agents were developed for polypropylene-based carbon fiber-reinforced prastics. Introduction of acyl groups to alkali lignin improved compatibility of the lignin to both carbon fiber and polypropylene while underivatized alkali lignin did not show compatibility. The interfacial shear strength between carbon fiber and polypropylene was significantly improved by addition of the lignin derivatives as compatibilizing agents.

    • Hiroki Sakai
    • Kosuke Kuroda
    • Kenji Takahashi
    Research
    Polymer Journal
    Volume: 50, P: 281-284