Hazy Transparent Cellulose Nanopaper

Hsieh, Ming Chun; Koga, Hirotaka; Suganuma, Katsuaki et al.

Scientific Reports, 2017, 7, 41590

Number of Access:735（2025-08-14 01:39 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/78453

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Title
Hazy Transparent Cellulose Nanopaper
Creator
CreatorName
Hsieh, Ming Chun
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
1000010154444 1000010154444
researchmap permalink
ksuganuma ksuganuma
CreatorName
Suganuma, Katsuaki
NRID
1000080379031 1000080379031
researchmap permalink
read0151141 read0151141
Scopus Author ID
9846851200 9846851200
CreatorName
Nogi, Masaya
Description
Hsieh, MC., Koga, H., Suganuma, K. et al. Hazy Transparent Cellulose Nanopaper. Sci Rep 7, 41590 (2017). https://doi.org/10.1038/srep41590.
Abstract
The aim of this study is to clarify light scattering mechanism of hazy transparent cellulose nanopaper. Clear optical transparent nanopaper consists of 3-15 nm wide cellulose nanofibers, which are obtained by the full nanofibrillation of pulp fibers. At the clear transparent nanopaper with 40 μm thickness, their total transmittance are 89.3-91.5% and haze values are 4.9-11.7%. When the pulp fibers are subjected to weak nanofibrillation, hazy transparent nanopapers are obtained. The hazy transparent nanopaper consists of cellulose nanofibers and some microsized cellulose fibers. At the hazy transparent nanopaper with 40 μm thickness, their total transmittance were constant at 88.6-92.1% but their haze value were 27.3-86.7%. Cellulose nanofibers are solid cylinders, whereas the pulp fibers are hollow cylinders. The hollow shape is retained in the microsized cellulose fibers, but they are compressed flat inside the nanopaper. This compressed cavity causes light scattering by the refractive index difference between air and cellulose. As a result, the nanopaper shows a hazy transparent appearance and exhibits a high thermal durability (295-305 °C), and low thermal expansion (8.5-10.6 ppm/K) because of their high density (1.29-1.55 g/cm3) and crystallinity (73-80%).
Publisher
Nature Publishing Group
Source Title
Scientific Reports
Volume (Issue)
7
Page
41590
Date of Issued
2017-01-27
Language
English
Handle URL
https://hdl.handle.net/11094/78453
eISSN
20452322
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1038/srep41590
PMID
28128326
Access Rights
open access
CopyRight
© 2017 The Author(s). 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