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Biomolecules 2017, 7(3), 47;

Preparation of Self-Assembled Chitin Nanofiber-Natural Rubber Composite Sheets and Porous Materials

Department of Chemistry, Biotechnology and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan
Author to whom correspondence should be addressed.
Academic Editor: Jürg Bähler
Received: 30 May 2017 / Revised: 23 June 2017 / Accepted: 27 June 2017 / Published: 1 July 2017
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We previously reported the preparation of a self-assembled chitin nanofiber (CNF) film via regeneration from an ion gel with an ionic liquid, followed by sonication and filtration. Based on the finding that CNFs were redispersed in a mixture of the film with ammonia aqueous solution (aq.), in this study, CNF-natural rubber (NR) composite sheets were fabricated by mixing redispersed CNF with NR latex stabilized by ammonia, followed by drying under reduced pressure. Tensile testing of the sheets indicated the reinforcing effect of CNFs. Further, CNF-NR composite porous materials were fabricated by evaporating ammonia from the CNF-NR dispersion, followed by lyophilization. The mechanism for the formation of porous structures was evaluated. View Full-Text
Keywords: chitin nanofiber; composite; natural rubber; porous material chitin nanofiber; composite; natural rubber; porous material

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Kawano, A.; Yamamoto, K.; Kadokawa, J.-I. Preparation of Self-Assembled Chitin Nanofiber-Natural Rubber Composite Sheets and Porous Materials. Biomolecules 2017, 7, 47.

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