Squid pen-inspired chitinous functional materials: Hierarchical chitin fibers by centrifugal jet-spinning and transparent chitin fiber-reinforced composite

Here, inspired by the fibrous composite structure of a squid pen, we introduce hierarchical chitin fibers (herein, termed “Chiber”) and their transparent composites and demonstrate the potential of these chitinous functional materials as a sustainable separation-membrane and reinforcing filler for c...

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Veröffentlicht in:APL materials 2018-01, Vol.6 (1), p.016102-016102-7
Hauptverfasser: Jeong, Seung-Hwan, Kim, Joong-Kwon, Lim, Young-Woo, Hwang, Hyun-Bin, Kwon, Hee-Young, Bae, Byeong-Soo, Jin, Jungho
Format: Artikel
Sprache:eng
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Zusammenfassung:Here, inspired by the fibrous composite structure of a squid pen, we introduce hierarchical chitin fibers (herein, termed “Chiber”) and their transparent composites and demonstrate the potential of these chitinous functional materials as a sustainable separation-membrane and reinforcing filler for composites. We employ a centrifugal jet-spinning process to fabricate Chiber with aligned chitin nanofibrillar architectures, for which we discuss the processing-morphology relationship. A nonwoven fiber-mat made of Chiber exhibits excellent adsorbing performance for a toxic ionic dye (Congo Red), and has a low coefficient of thermal expansion comparable to that of glass fibers. Finally, we demonstrate a squid pen-mimetic transparent composite using Chiber and investigate its optical property.
ISSN:2166-532X
2166-532X
DOI:10.1063/1.4985754