Design and synthesis of bioinspired super engineering plastics using glycol-modified lignin

Haruka Kato; Ayumi Kobayashi; Kohei Iritani; Thi Thi Nge; Tatsuhiko Yamada; Takashi Yamashita

doi:10.1117/12.2671724

28 April 2023 Design and synthesis of bioinspired super engineering plastics using glycol-modified lignin

Haruka Kato, Ayumi Kobayashi, Kohei Iritani, Thi Thi Nge, Tatsuhiko Yamada, Takashi Yamashita

Proceedings Volume PC12481, Bioinspiration, Biomimetics, and Bioreplication XIII; PC124810A (2023) https://doi.org/10.1117/12.2671724
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Conference Poster

Abstract

Glycol-lignin (GL), which is obtained from natural conifers by the treatment with poly(ethylene glycol), is expected as a novel material alternating petroleum resources. Composite materials which are prepared by the hybridization of the GL and various engineering plastics such as polyacetals or polyimides show high thermostability and excellent mechanical strength. Resinification of the GL was performed by the polymerization with dicarboxylic acids. Polymerization of an unsaturated polyesters (UP) was inhibited in the presence of GL, because the GL has antioxidizing properties owing to its polyphenolic structure. However, the polymerization of UP was successfully performed by using a capped-GL.

Citation Download Citation

Haruka Kato, Ayumi Kobayashi, Kohei Iritani, Thi Thi Nge, Tatsuhiko Yamada, and Takashi Yamashita "Design and synthesis of bioinspired super engineering plastics using glycol-modified lignin", Proc. SPIE PC12481, Bioinspiration, Biomimetics, and Bioreplication XIII, PC124810A (28 April 2023); https://doi.org/10.1117/12.2671724

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