Modern technology has enabled the isolation of nanocellulose
from
plant-based fibers, and the current trend focuses on utilizing nanocellulose
in a broad range of sustainable materials applications. Water is generally
seen as a detrimental component when in contact with nanocellulose-based
materials, just like it is harmful for traditional cellulosic materials
such as paper or cardboard. However, water is an integral component
in plants, and many applications of nanocellulose already accept the
presence of water or make use of it. This review gives a comprehensive
account of nanocellulose–water interactions and their repercussions
in all key areas of contemporary research: fundamental physical chemistry,
chemical modification of nanocellulose, materials applications, and
analytical methods to map the water interactions and the effect of
water on a nanocellulose matrix.
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