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

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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. (c) 2018 Author(s).
Publisher
AMER INST PHYSICS
Issue Date
2018-01
Language
English
Article Type
Article
Keywords

MATERIALS SCIENCE; BETA-CHITIN; CHITOSAN; DESIGN; PAPER; BEAK

Citation

APL MATERIALS, v.6, no.1

ISSN
2166-532X
DOI
10.1063/1.4985754
URI
http://hdl.handle.net/10203/240229
Appears in Collection
MS-Journal Papers(저널논문)
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