Checkered films of multiaxis oriented nanocelluloses by liquid-phase three-dimensional patterning

Uetani, Kojiro; Koga, Hirotaka; Nogi, Masaya

Nanomaterials, 2020, 10(5), 958

Number of Access:648（2025-08-14 01:34 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/78448

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Title
Checkered films of multiaxis oriented nanocelluloses by liquid-phase three-dimensional patterning
Creator
NRID
1000020733306 1000020733306
CreatorName
Uetani, Kojiro
NRID
1000030634539 1000030634539
ORCID
0000-0001-6295-1731 0000-0001-6295-1731
researchmap permalink
hkoga hkoga
Scopus Author ID
7201439917 7201439917
CreatorName
Koga, Hirotaka
NRID
1000080379031 1000080379031
researchmap permalink
read0151141 read0151141
Scopus Author ID
9846851200 9846851200
CreatorName
Nogi, Masaya
Subject
Birefringence
Nanofiber alignment
Retardation
Thermal transport
Description
Uetani, K.; Koga, H.; Nogi, M. Checkered Films of Multiaxis Oriented Nanocelluloses by Liquid-Phase Three-Dimensional Patterning. Nanomaterials 2020, 10, 958. https://doi.org/10.3390/nano10050958.
Abstract
It is essential to build multiaxis oriented nanocellulose films in the plane for developing thermal or optical management films. However, using conventional orientation techniques, it is difficult to align nanocelluloses in multiple directions within the plane of single films rather than in the thickness direction like the chiral nematic structure. In this study, we developed the liquid-phase three-dimensional (3D) patterning technique by combining wet spinning and 3D printing. Using this technique, we produced a checkered film with multiaxis oriented nanocelluloses. This film showed similar retardation levels, but with orthogonal molecular axis orientations in each checkered domain as programmed. The thermal transport was enhanced in the domain with the oriented pattern parallel to the heat flow. This liquid-phase 3D patterning technique could pave the way for bottom-up design of differently aligned nanocellulose films to develop sophisticated optical and thermal materials.
Publisher
MDPI
Source Title
Nanomaterials
Volume (Issue)
10(5)
Page
958
Date of Issued
2020-05-18
Language
English
Handle URL
https://hdl.handle.net/11094/78448
eISSN
20794991
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.3390/nano10050958
Access Rights
open access
CopyRight
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article