Effect of pH on water durability of cellulose nanofiber-reinforced starch film

Haji Abdul Hamid, Izzah Durrati; Soni, Raghav; Hsu, Yu I. et al.

Journal of Material Cycles and Waste Management, 2023, 26, 723-730

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Identifier to cite or link to this item: https://hdl.handle.net/11094/93368

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Title
Effect of pH on water durability of cellulose nanofiber-reinforced starch film
Creator
CreatorName
Haji Abdul Hamid, Izzah Durrati
CreatorName
Soni, Raghav
NRID
1000010757678 1000010757678
CreatorName
Hsu, Yu I.
NRID
1000070203594 1000070203594
researchmap permalink
read0168389 read0168389
Scopus Author ID
7102108908 7102108908
ORCID
0000-0002-8587-2507 0000-0002-8587-2507
CreatorName
Uyama, Hiroshi
Subject
Cellulose nanofibers
Hemiacetal crosslinking
Modified starch
pH-responsive weakening
Recycling of cellulose nanofibers
Description
The version of record of this article, first published in Journal of Material Cycles and Waste Management, is available online at Publisher’s website: https://doi.org/10.1007/s10163-023-01828-z
Abstract
The continuous use of single-use petrochemical-based plastics has created a global crisis with a significant buildup of plastic pollution. The use of biomass resources as a replacement source of plastic constituents, namely cellulose and starch, may contribute to alleviating the crisis. In this study, cellulose nanofiber-reinforced starch films were produced and studied for their pH response in terms of their swelling behavior and wet tensile strength in both freshwater and seawater conditions. Mechanically fibrillated cellulose nanofibers (MCNFs) were blended with dialdehyde starch (Di-aldS) and made into MCNF/Di-aldS films. The films were found to swell more and had a lower wet tensile strength at pH of 9. The film’s strength reduced to 1.60 MPa in basic conditions, 80% less than in acidic environment. This is related to hemiacetal crosslinking, resulted from the interactions between the modified moieties of the starches and cellulose nanofibers. Such bioplastics enhance the reusability of cellulose nanofibers and have the potential to replace conventional petrochemical plastics to create a carbon–neutral circular society.
Publisher
Springer
Source Title
Journal of Material Cycles and Waste Management
Volume (Issue)
26
Page
723-730
Date of Issued
2023-11-16
Language
English
Handle URL
https://hdl.handle.net/11094/93368
PISSN
14384957
eISSN
16118227
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1007/s10163-023-01828-z
Access Rights
open access
CopyRight
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